Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 13, 2026
Stephenson County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 2 tornado reports among 71 severe weather events here in the last 12 months, alongside 11 hail reports with hail up to 3" and 58 high-wind reports with gusts up to 60 mph. The most recent recorded storm activity was on Aug 11, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Where hail and high-wind reports clustered across Stephenson County over the last 12 months. Heat shows report density and significance, not radar.
See address-level storm exposure — verified hail and wind reports plus official warning boundaries around any specific property, including the most recent 30 days. Free account, takes under a minute.
Check an address free →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.
4 SPC verified storm reports
“6-7 inch diameter tree limbs snapped and a measured wind gust of 55 mph. Time estimated by radar. (DVN)”
“Power lines down and they are smoking and sparking. Time estimated from radar. (DVN)”
2 SPC verified storm reports · 1 NWS warning — hail up to 1"
“Estimate of golf ball size hail. Picture of dent to vehicle. Report was delayed. (DVN)”
“At 614 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near St. Donatus to Canton to near Olin to near Tiffin. 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.”
1 SPC verified storm report
1 NWS warning — wind gusts up to 50 mph
“At 744 PM CDT, Doppler radar was tracking a line of strong thunderstorms along a line extending from Brodhead to Winslow. Movement was east at 50 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include... Davis, Winslow, Rock City, Rock Grove, Oneco, Orangeville, Afolkey, and Lake Summerset.”
2 SPC verified storm reports
“Large tree limbs downed over powerlines. Picture sent via social media. Time estimated by radar. (DVN)”
“Large limb came down and is blocking the southbound lane. (DVN)”
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.”
1 NWS warning — hail up to 0.88"
“At 1017 AM CDT, Doppler radar was tracking a strong thunderstorm near Stockton, or 14 miles west of Freeport, moving northeast at 45 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...”
3 NWS warnings — hail up to 0.75", 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.”
“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.”
4 SPC verified storm reports — hail up to 3", 1 tornado report
“A high-end EF2... possible multi-vortex... tornado with estimated peak winds around 130 mph started along Highway 20... SW of Lena IL... and tracked through Lena before (DVN)”
“Report from mPING: Tea Cup (3.00 in.). (DVN)”
1 NWS warning — wind gusts up to 50 mph
“At 117 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Albany to near Lena to near Elizabeth. Movement was southeast 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...”
2 SPC verified storm reports — 1 tornado report
“A tornado formed briefly in the occlusion of an RFD northwest of Pearl City. It heavily damaged and destroyed several farm outbuildings... lifted a large farm wagon int (DVN)”
“Trees down blocking roads. Tornado possible. (DVN)”
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.”
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.”
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.”
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.”
“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.”
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.”
“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.”
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.”
“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.”
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.”
“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.”
5 SPC verified storm reports — hail up to 2.75"
“Report from mPING: Quarter (1.00 in.). (DVN)”
1 NWS warning — wind gusts up to 55 mph
“At 1233 AM CST, Doppler radar was tracking strong winds accompanying showers and a few thunderstorms. Movement was northeast 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. Locations impacted include...”
7 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.”
“...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.”
2 NWS warnings — 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.”
“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...In Illinois, Carroll, Jo Daviess, and Stephenson Counties. In Iowa, Benton, Jackson, Jones, Linn, Buchanan, Delaware, and Dubuque Counties. WHEN...From 9 AM to 5 PM CST Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
8 NWS warnings — wind gusts up to 55 mph
“WHAT...Snow. Additional snow accumulations up to two inches along and north of Highway 30. Strong northwest winds gusting up to 45 to 55 mph may lead to significant blowing snow in open and rural areas, and to sudden reductions in visibility. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...Until 9 AM CST Monday.”
“WHAT...Snow. Additional snow accumulations between 1 and 3 inches north of Highway 30 and an inch or less to the south. Strong northwest winds gusting up to 45 to 55 mph may lead to significant blowing snow in open and rural areas, and to sudden reductions in visibility. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...Until 9 AM CST Monday.”
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.”
“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.”
1 NWS warning — wind gusts up to 50 mph
“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...”
1 NWS warning — wind gusts up to 55 mph
“WHAT...Snow and reduced visibilities from blowing snow in any snow showers. Total snow accumulations under one inch. West to northwest winds 20 to 30 mph, gusting 40 to 50 mph. Gusts up to 55 mph are possible across portions of eastern Iowa. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...Until 9 AM CST this morning.”
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Mixed precipitation expected. Total snow accumulations under one inch and ice accumulations around a light glaze possible. West to northwest winds 20 to 30 mph, gusting 40 to 50 mph. Gusts up to 55 mph are possible across portions of eastern Iowa. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...Until 9 AM CST Wednesday.”
“WHAT...Mixed precipitation expected. Total snow accumulations under one inch and ice accumulations around a light glaze possible. West to northwest winds 20 to 30 mph, gusting 40 to 50 mph. Gusts up to 55 mph are possible across portions of eastern Iowa. WHERE...Portions of northwest Illinois and east central and northeast Iowa. WHEN...From 6 PM this evening to 9 AM CST Wednesday.”
The most recent recorded event was on Aug 11, 2026. Official NWS and SPC records show 71 severe weather events in Stephenson County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Yes — 11 hail reports in the last 12 months, with hail up to 3" recorded. The hail map above shows where reports clustered; the storm log lists each day.
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.