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Storm ActivityIllinois Storm ActivityWhiteside County, IL
Illinois · Official NOAA Storm Data

Whiteside County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026

Whiteside County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 67 severe weather events here in the last 12 months, alongside 12 hail reports with hail up to 1.5" and 54 high-wind reports with gusts up to 71 mph. The most recent recorded storm activity was in August 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Whiteside County, Illinois showing the county boundary and surrounding cities
Whiteside County, Illinois. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Whiteside County hail map

Where hail and high-wind reports clustered across Whiteside County over the last 12 months. Heat shows report density and significance, not radar.

67
Events (12 mo)
12
Hail
54
Wind
1
Tornado
1.5"
Max hail
71
Max wind (mph)
August 2026
Most recent

What the radar showed

Radar snapshot during the Apr 2, 2026 tornado event near 2 WSW Sterling, Whiteside County, Illinois, with NWS warning polygons
NEXRAD radar at the moment of the Apr 2, 2026 tornado event (Tornado) near 2 WSW Sterling. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Last 30 days in Whiteside County

Current NEXRAD radar over Whiteside County, Illinois with recent storm report locations
Current radar over the Whiteside County area, with storm reports from the past 7 days plotted. Refreshes throughout the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.
August 2026 3 storm days · 1 SPC verified report · 2 NWS warnings — hail to 0.75", wind to 50 mph Exact dates & locations in app →

Recent storms — full detail available in the app

Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.

See the specifics — free →

Storm log — the official record, day by day

Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.

Wednesday, August 12, 2026

1 SPC verified storm report — wind gusts up to 71 mph

NEXRAD radar during the Wednesday, August 12, 2026 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Tuesday, August 11, 2026

1 SPC verified storm report

Friday, July 3, 2026

2 NWS warnings — hail up to 0.75", wind gusts up to 50 mph

NEXRAD radar during the Friday, July 3, 2026 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 814 PM CDT, Doppler radar was tracking slow-moving thunderstorms along a line extending from near Albany to near Rapids City to Coal Valley to near Hamlet. Movement was east at 20 mph. Hazard: Wind gusts up to 50 mph and minor flooding. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Slowing or redirecting of traffic due to ponding or flowing water.”

NWS severe weather mention · Whiteside County

“At 653 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Andrew to Rochester. Movement was east at 30 mph. Hazard: Winds in excess of 40 mph, minor flooding and penny size hail. Impact: Gusty winds could cause minor tree limb damage and blow around unsecured objects. Minor damage to outdoor objects is possible.”

NWS severe weather mention · Whiteside County

Wednesday, June 24, 2026

2 SPC verified storm reports — wind gusts up to 60 mph

NEXRAD radar during the Wednesday, June 24, 2026 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“50 to 60 mph wind gusts with torrential rain. (DVN)”

SPC verified report · 2 NE Grimes Addition

“Large tree branch blown down. Time estimated from radar. (DVN)”

SPC verified report · Sterling

Sunday, May 24, 2026

1 NWS warning — hail up to 0.75"

“At 250 AM CDT, Doppler radar was tracking a strong thunderstorm near Hooppole, or 18 miles southwest of Rock Falls, moving northeast at 15 mph. Hazard: Penny size hail. Impact: Minor damage to outdoor objects is possible. Locations impacted include... Tampico, Hooppole, Deer Grove, Yorktown, Thomas, and Normandy.”

NWS severe weather mention · Whiteside County

Monday, May 18, 2026

5 NWS warnings — hail up to 0.88", wind gusts up to 50 mph

NEXRAD radar during the Monday, May 18, 2026 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Strong south to southeast winds may develop on the northern and western edge of a cluster of showers and thunderstorms tracking across southeast Iowa into west-central Illinois. Winds could gust between 40 to 50 mph at times through the mid to late morning. Unsecured outdoor objects may be blown around and the strongest gusts could bring down tree branches.”

NWS severe weather mention · Whiteside County

“At 346 AM CDT, Doppler radar was tracking a strong thunderstorm over Bettendorf, moving northeast at 30 mph. Hazard: Wind gusts up to 50 mph and nickel size hail. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Whiteside County

Monday, May 4, 2026

1 SPC verified storm report · 1 NWS warning — wind gusts up to 55 mph

NEXRAD radar during the Monday, May 4, 2026 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 444 PM CDT, Doppler radar was tracking thunderstorms along a line extending from near DeWitt to Toolesboro. Movement was east at 45 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Strong winds could break tree limbs, knock down weak trees and blow around unsecured objects. Blowing dust is possible near agricultural fields. Locations impacted include...”

NWS severe weather mention · Whiteside County

“Tree trunk split in backyard. Across the road... 5 power poles snapped at the base. Time estimated from radar based on time LE received call. (DVN)”

SPC verified report · 1 N Hamilton Corners

Monday, April 27, 2026

2 NWS warnings — wind gusts up to 50 mph

“Gusty east to southeasterly winds are expected through the early afternoon as an area of rain continues to shift eastward into portions of central and eastern Illinois. Occasional gusts between 40 to 50 mph can be expected. Use extra caution if traveling, especially in high profile vehicles. The strong winds could blow around loose objects and bring down tree branches.”

NWS severe weather mention · Whiteside County

“Gusty winds are expected late this morning into the early afternoon as an area of rain and embedded thunderstorms continues to shift eastward through portions of eastern Iowa and northwest Illinois. Winds will increase on the western edge of the shield of precipitation with gusts between 40 to 50 mph possible out of an east to southeasterly direction.”

NWS severe weather mention · Whiteside County

Friday, April 17, 2026

1 SPC verified storm report — wind gusts up to 61 mph

Sunday, April 12, 2026

1 NWS warning — wind gusts up to 50 mph

“Strong south-southwesterly winds will continue this afternoon through the early evening hours, with occasional gusts as high as 45 mph. There are also some developing showers and a few isolated thunderstorms this afternoon that could help generate stronger wind gusts up to 50 mph. If traveling on east-to-west oriented roads, be prepared for gusty crosswinds, especially in high profile vehicles.”

NWS severe weather mention · Whiteside County

Wednesday, April 8, 2026

1 NWS warning — wind gusts up to 50 mph

“Strong south to southwest winds with sustained speeds of 20 to 30 MPH and occasional gusts up to 50 MPH will continue into the late afternoon today. If traveling on east to west roads be prepared for gusty crosswinds especially in high profile vehicles. secure all loose objects. Winds will begin to diminish late this afternoon.”

NWS severe weather mention · Whiteside County

Thursday, April 2, 2026

3 SPC verified storm reports — hail up to 1.5", wind gusts up to 67 mph, 1 tornado report

NEXRAD radar during the Thursday, April 2, 2026 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“An EF1 tornado passed through northern portions of Sterling... with estimated maximum wind speeds around 90 mph. Along the path... damage was done to trees (including s (DVN)”

SPC verified report · 2 WSW Sterling

Monday, March 16, 2026

1 NWS warning — wind gusts up to 60 mph

“WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. WHERE...Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. WHEN...Until 6 AM CDT early this morning. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Whiteside County

Sunday, March 15, 2026

5 NWS warnings — wind gusts up to 60 mph

“WHAT...Northwest winds 25 to 35 mph with gusts of 50 to 60 mph expected. WHERE...Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. WHEN...Until 1 PM CDT Monday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Whiteside County

“WHAT...Northwest winds 25 to 35 mph with gusts of 50 to 60 mph expected. WHERE...Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. WHEN...From 7 PM this evening to 1 PM CDT Monday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Whiteside County

Saturday, March 14, 2026

2 NWS warnings — wind gusts up to 60 mph

“WHAT...Blizzard conditions expected. Total snow accumulations between 4 and 8 inches. Winds gusting as high as 50 to 60 mph. WHERE...Portions of northwest Illinois and east central Iowa. WHEN...From 7 PM Sunday to 4 PM CDT Monday. IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility.”

NWS severe weather mention · Whiteside County

“WHAT...Blizzard conditions expected. Total snow accumulations between 4 and 8 inches. Winds gusting as high as 50 to 60 mph. WHERE...Portions of northwest Illinois and east central Iowa. WHEN...From 7 PM Sunday to 4 PM CDT Monday. IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility.”

NWS severe weather mention · Whiteside County

Friday, March 13, 2026

4 NWS warnings — wind gusts up to 60 mph

“WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. WHERE...Portions of north central and northwest Illinois and east central Iowa. WHEN...Until 3 PM CDT this afternoon. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Whiteside County

“WHAT...West winds 25 to 35 mph with gusts up to 60 mph. WHERE...Portions of north central and northwest Illinois and east central Iowa. WHEN...Until 3 PM CDT this afternoon. IMPACTS...Travel will be difficult, especially for high profile vehicles. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Whiteside County

Thursday, March 12, 2026

5 NWS warnings — wind gusts up to 60 mph

“WHAT...For the Wind Advisory, southwest winds 25 to 30 mph with gusts up to 45 mph expected. For the High Wind Warning, west winds 25 to 30 mph with gusts up to 60 mph expected. WHERE...Portions of north central and northwest Illinois and east central Iowa. WHEN...For the Wind Advisory, from 10 PM this evening to 4 AM CDT Friday. For the High Wind Warning, from 4 AM to 3 PM CDT Friday.”

NWS severe weather mention · Whiteside County

“WHAT...For the Wind Advisory, southwest winds 25 to 30 mph with gusts up to 45 mph expected. For the High Wind Warning, west winds 25 to 30 mph with gusts up to 60 mph expected. WHERE...Portions of north central and northwest Illinois and east central Iowa. WHEN...For the Wind Advisory, from 10 PM this evening to 4 AM CDT Friday. For the High Wind Warning, from 4 AM to 3 PM CDT Friday.”

NWS severe weather mention · Whiteside County

Monday, March 9, 2026

1 SPC verified storm report — hail up to 1"

Saturday, March 7, 2026

1 NWS warning — wind gusts up to 55 mph

“At 1248 AM CST, Doppler radar was tracking strong winds accompanied by rain across the area. Movement was northeast at 45 mph. An initial round of strong winds to 55 mph will be found. A few storms will then follow for parts of the area and may bring an additional period of gusty winds. Hazard: Wind gusts of 50 to 55 mph.”

NWS severe weather mention · Whiteside County

Friday, March 6, 2026

4 NWS warnings — hail up to 0.5", wind gusts up to 55 mph

NEXRAD radar during the Friday, March 6, 2026 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1146 PM CST, Doppler radar was tracking strong winds accompanying an area of showers and thunderstorms along a line extending from near Wheatland to near Princeton to Abingdon. Movement was northeast at 55 mph. Hazard: Wind gusts of 50 to around 55 mph. Impact: Strong winds could break tree limbs, knock down weak trees and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Whiteside County

“At 650 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from near Tampico to near Altona. Movement was east at 35 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Strong thunderstorms will be near... Kewanee, Galva, Annawan, Tampico, and Deer Grove around 655 AM CST.”

NWS severe weather mention · Whiteside County

Wednesday, February 18, 2026

5 NWS warnings — wind gusts up to 50 mph

“WHAT...West winds 25 to 30 mph with gusts up to 50 mph. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...Until 6 PM CST this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Whiteside County

“...Critical Fire Weather Conditions Continue... AFFECTED AREA...Portions of eastern Iowa, northwest Illinois, and northeast Missouri. TIMING...Until 8 PM CST this evening. WINDS...West-southwest winds 25 to 30 mph, with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 15 percent. IMPACTS...Any fire that develops will quickly spread out of control. Fire behavior is expected to be extreme.”

NWS severe weather mention · Whiteside County

Tuesday, February 17, 2026

1 NWS warning — wind gusts up to 50 mph

“...Critical Fire Weather Conditions Possible Wednesday... The National Weather Service in the Quad Cities continues a Fire Weather Watch for strong winds, low relative humidity, and plentiful dry vegetation. AFFECTED AREA...Portions of eastern Iowa and northwest Illinois TIMING...From Wednesday morning through Wednesday evening. WINDS...Southwest 20 to 30 mph with gusts up to 50 mph.”

NWS severe weather mention · Whiteside County

Wednesday, January 21, 2026

4 NWS warnings — wind gusts up to 50 mph

“WHAT...For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 45 to 50 mph. For the Extreme Cold Watch, dangerously cold wind chills as low as 35 below possible. WHERE...Portions of north central, northwest, and west central Illinois and east central Iowa. WHEN...For the Wind Advisory, until midnight CST tonight.”

NWS severe weather mention · Whiteside County

“WHAT...For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 45 to 50 mph. For the Extreme Cold Watch, dangerously cold wind chills as low as 35 below possible. WHERE...Portions of north central, northwest, and west central Illinois and east central Iowa. WHEN...For the Wind Advisory, until midnight CST tonight.”

NWS severe weather mention · Whiteside County

Sunday, December 28, 2025

4 NWS warnings — wind gusts up to 55 mph

“WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, west to northwest winds 25 to 35 mph with gusts up to 45 to 55 mph expected. WHERE...Portions of north central and northwest Illinois and east central and northeast Iowa. WHEN...For the Dense Fog Advisory, until noon CST today.”

NWS severe weather mention · Whiteside County

“WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, west to northwest winds 25 to 35 mph with gusts up to 45 to 55 mph expected. WHERE...Portions of north central and northwest Illinois and east central and northeast Iowa. WHEN...For the Dense Fog Advisory, until noon CST today.”

NWS severe weather mention · Whiteside County

Saturday, December 27, 2025

2 NWS warnings — wind gusts up to 55 mph

“WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, northwest winds 25 to 35 mph with gusts up to 45 to 55 mph expected. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...For the Dense Fog Advisory, until noon CST Sunday. For the Wind Advisory, from 2 PM Sunday to 6 PM CST Monday.”

NWS severe weather mention · Whiteside County

“WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, northwest winds 25 to 35 mph with gusts up to 45 to 55 mph expected. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...For the Dense Fog Advisory, until noon CST Sunday. For the Wind Advisory, from 2 PM Sunday to 6 PM CST Monday.”

NWS severe weather mention · Whiteside County

Thursday, December 18, 2025

2 NWS warnings — wind gusts up to 55 mph

NEXRAD radar during the Thursday, December 18, 2025 storm activity in Whiteside County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1026 AM CST, Doppler radar was tracking line of heavy rain along a line extending from 6 miles south of Erie to near Altona. Movement was east at 35 mph. Weak rotation has also been identified along the line of showers and will continue to be monitored for a possible tornado threat. Hazard: Wind gusts of 50 to 55 mph.”

NWS severe weather mention · Whiteside County

“At 941 AM CST, Doppler radar was tracking line of showers along a line extending from near Spragueville to Rock Island to near Little York to near Bowen. Movement was east at 40 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Whiteside County

Friday, September 19, 2025

1 NWS warning — hail up to 0.75"

“At 550 PM CDT, Doppler radar was tracking a strong thunderstorm near Osborn, or 13 miles east of East Moline, moving north at 15 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Whiteside County

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today
Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Whiteside County, IL?

The most recent recorded event was in August 2026. Official NWS and SPC records show 67 severe weather events in Whiteside County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.

Did it hail in Whiteside County recently?

Yes — 12 hail reports in the last 12 months, with hail up to 1.5" recorded. The hail map above shows where reports clustered; the storm log lists each day.

How do I see hail history for a specific address in Whiteside County?

Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — county-level pages like this one only tell part of the story.

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Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through our HailyDB engine and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.
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