IDOLCheck logo
IDOLCheck Storm Activity
Official NOAA, NWS & SPC storm data
Live Latest verified storm reports across the US → Get these as alerts →
Looking up a specific address? Check it free in the app →
Storm ActivityIllinois Storm ActivityPutnam County, IL
Illinois · Official NOAA Storm Data

Putnam County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 13, 2026

Putnam County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 53 severe weather events here in the last 12 months, alongside 5 hail reports with hail up to 1" and 47 high-wind reports with gusts up to 65 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 Putnam County, Illinois showing the county boundary and surrounding cities
Putnam County, Illinois. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Putnam County hail map

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

53
Events (12 mo)
5
Hail
47
Wind
1
Tornado
1"
Max hail
65
Max wind (mph)
August 2026
Most recent

What the radar showed

Radar snapshot during the Aug 13, 2026 wind event near Putnam County, Putnam County, Illinois, with NWS warning polygons
NEXRAD radar at the moment of the Aug 13, 2026 wind event (50 mph) near Putnam County. 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 Putnam County

Current NEXRAD radar over Putnam County, Illinois with recent storm report locations
Current radar over the Putnam 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 · 2 SPC verified reports · 2 NWS warnings — hail to 0.75", wind to 50 mph, tornado activity 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.

Thursday, August 13, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Thursday, August 13, 2026 storm activity in Putnam 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 1204 PM CDT, Doppler radar was tracking a thunderstorm near Altona, or near Cambridge, moving east at 35 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 · Putnam County

Tuesday, August 11, 2026

1 SPC verified storm report

“Reports of multiple trees and a power pole blown down in the town of Hennepin. Time estimated by radar. (DVN)”

SPC verified report · 1 W Hennepin

Saturday, July 4, 2026

1 NWS warning — wind gusts up to 50 mph

“At 159 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Mendota to near Putnam. Movement was east northeast at 25 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 · Putnam County

Friday, July 3, 2026

1 NWS warning — wind gusts up to 50 mph

“At 854 PM CDT, Doppler radar was tracking thunderstorms along a line extending from near Mendota to near La Moille to near Buda to near Andover. Movement was east at 30 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 · Putnam County

Thursday, June 11, 2026

1 NWS warning — wind gusts up to 65 mph

“Strong easterly wind gusts not associated with thunderstorms have developed across part of the Interstate 80 corridor in Illinois and portions of Bureau and Putnam counties. Spotters reported 55 to 65 MPH winds for 5 minutes in Princeton, Illinois just before 2 PM. These should persist through 3 to 4 PM. Expect temporary difficult driving conditions for high profile vehicles.”

NWS severe weather mention · Putnam County

Saturday, June 6, 2026

1 NWS warning — wind gusts up to 55 mph

NEXRAD radar during the Saturday, June 6, 2026 storm activity in Putnam 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 446 AM CDT, Doppler radar was tracking a strong thunderstorm over Kewanee, moving east at 50 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. Locations impacted include...”

NWS severe weather mention · Putnam County

Monday, May 18, 2026

1 NWS warning — wind gusts up to 50 mph

“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 · Putnam County

Monday, May 4, 2026

1 SPC verified storm report

“Tree down on Route 71 near Hennepin. (DVN)”

SPC verified report · 1 E Hennepin

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 · Putnam 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 · Putnam County

Thursday, April 16, 2026

1 SPC verified storm report — wind gusts up to 58 mph

NEXRAD radar during the Thursday, April 16, 2026 storm activity in Putnam 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.

“A trained spotter measured a 58 MPH. (DVN)”

SPC verified report · Hennepin

Monday, April 13, 2026

1 NWS warning — hail up to 0.75"

“At 1145 AM CDT, Doppler radar was tracking a strong thunderstorm 3 miles east ofr Bradford, or 12 miles northeast of Wyoming, moving east at 35 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 · Putnam County

Wednesday, April 1, 2026

2 SPC verified storm reports — wind gusts up to 61 mph

NEXRAD radar during the Wednesday, April 1, 2026 storm activity in Putnam 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.

“Home with garage door blown in and multiple 3-inch tree limbs snapped. Time estimated from radar. (DVN)”

SPC verified report · 1 W Hennepin

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 · Putnam County

Sunday, March 15, 2026

5 NWS warnings — hail up to 0.88", wind gusts up to 60 mph

NEXRAD radar during the Sunday, March 15, 2026 storm activity in Putnam 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.

“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 · Putnam 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 · Putnam 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 · Putnam 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 · Putnam 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 · Putnam 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 · Putnam 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

NEXRAD radar during the Saturday, March 7, 2026 storm activity in Putnam 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 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 · Putnam County

Friday, March 6, 2026

2 NWS warnings — hail up to 0.25", wind gusts up to 55 mph

NEXRAD radar during the Friday, March 6, 2026 storm activity in Putnam 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 · Putnam County

“At 714 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from near Dixon to Toulon. Movement was east at 40 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Strong thunderstorms will be near...”

NWS severe weather mention · Putnam County

Wednesday, February 18, 2026

3 NWS warnings — wind gusts up to 50 mph

“...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 · Putnam County

“...Critical Fire Weather Conditions Today... 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. RELATIVE HUMIDITY...As low as 15 percent. IMPACTS...Any fire that develops will catch and spread quickly. Fire behavior is expected to be extreme.”

NWS severe weather mention · Putnam 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 · Putnam 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 · Putnam 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 · Putnam 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 · Putnam 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 · Putnam County

Saturday, December 27, 2025

3 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...Bureau and Putnam Counties. 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 · Putnam 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...Bureau and Putnam Counties. 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 · Putnam County

Thursday, December 18, 2025

1 NWS warning — wind gusts up to 55 mph

NEXRAD radar during the Thursday, December 18, 2025 storm activity in Putnam 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 1112 AM CST, Doppler radar was tracking line of heavy rain along a line extending from near Walnut to 7 miles east of Bradford. Movement was east at 40 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 · Putnam 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 Putnam County, IL?

The most recent recorded event was in August 2026. Official NWS and SPC records show 53 severe weather events in Putnam 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 Putnam County recently?

Yes — 5 hail reports in the last 12 months, with hail up to 1" 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 Putnam 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.

Most active Illinois counties

← All Illinois counties

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 HailyAPI 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.
Storm report · just in