Overview
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Several severe thunderstorms moved across eastern IA between 4 and 10 pm Friday evening. Significant wind damage was surveyed in Buchanan and Linn counties with damage to crops, trees, power lines, farm buildings, and damage to siding on homes. The town of Prairieburg and rural portions of Buchanan county received the most extensive damage. In addition, two tornadoes were confirmed near Fairbank and Prairieburg. |
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| NWS Survey Infographic |
Tornadoes
Select a tornado from the table to zoom into the track and view more information. The default table view is limited to 8 tracks, but can be scrolled by a mouse wheel or dynamically expanded. Additionally, the table can fill the entire window by clicking the small circular expanding arrow icon at the very top right of the table and returned to its original size by clicking the button again. The side information panel that opens over the map can be closed using the "X" on the upper right corner of the pop-up. Zoom into the map and click damage points to see detailed information and pictures from the surveys.
Final Public Information Statement on August 7th Damage Surveys | Download Data | Instructions
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| Fairbank Tornado | Prairieburg Tornado |
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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| Tornadoes that fail to impact any ratable damage indicators on the EF-Scale are rated EF-Unknown (EF-U) | |||||
Storm Reports
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Preliminary Local Storm Report...Summary
National Weather Service Quad Cities IA IL
516 AM CDT Sat Aug 8 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0415 PM Tstm Wnd Dmg Fairbank 42.64N 92.05W
08/07/2026 Buchanan IA Emergency Mngr
Multiple utility poles down in Fairbank.
Possible tornado. Time estimated from radar.
0415 PM Hail Fairbank 42.64N 92.05W
08/07/2026 M1.75 Inch Buchanan IA Emergency Mngr
Time estimated from radar.
0418 PM Tstm Wnd Gst Fairbank 42.64N 92.05W
08/07/2026 M58 MPH Buchanan IA Public
PWS.
0428 PM Tstm Wnd Dmg Independence 42.47N 91.89W
08/07/2026 Buchanan IA Public
A large tree down on the east side of town.
Time estimated from radar.
0430 PM Tstm Wnd Dmg 1 W Three Elms County 42.45N 91.88W
08/07/2026 Buchanan IA Trained Spotter
Road sign torn out of the ground and blown
onto the shoulder of the road. Time
estimated from radar.
0430 PM Tstm Wnd Dmg 4 SSE Stanley 42.59N 91.80W
08/07/2026 Buchanan IA Emergency Mngr
Roof of a livestock barn is halfway torn
off. Time estimated from radar.
0430 PM Tstm Wnd Dmg 4 S Stanley 42.58N 91.82W
08/07/2026 Buchanan IA Emergency Mngr
Roof damage to livestock barns. Time
estimated from radar.
0437 PM Tstm Wnd Gst 2 SSW Three Elms County 42.42N 91.88W
08/07/2026 M55 MPH Buchanan IA Public
PWS.
0453 PM Tstm Wnd Gst 2 W Monti 42.39N 91.68W
08/07/2026 M60 MPH Buchanan IA Mesonet
ISU mesonet. Time estimated from radar.
0503 PM Tstm Wnd Gst Ryan 42.35N 91.48W
08/07/2026 E60 MPH Delaware IA Fire Dept/Rescue
0504 PM Tstm Wnd Gst Independence 42.47N 91.89W
08/07/2026 E60 MPH Buchanan IA Trained Spotter
Delayed report.
0507 PM Tstm Wnd Gst Ryan 42.35N 91.48W
08/07/2026 E70 MPH Delaware IA Fire Dept/Rescue
0507 PM Tstm Wnd Dmg Ryan 42.35N 91.48W
08/07/2026 Delaware IA Emergency Mngr
Corrects previous tstm wnd dmg report from
Ryan. Multiple trees down and 1 grain bin at
the Ryan Coop is collapsed from the to to
1/4 down. Time estimated from radar.
0510 PM Tstm Wnd Dmg 2 S Cheney 42.23N 91.93W
08/07/2026 Benton IA Public
Report of corn field flat west of Urbana.
Report relayed from EM.
0514 PM Hail Ryan 42.35N 91.48W
08/07/2026 M4.50 Inch Delaware IA Emergency Mngr
Report of golf ball to softball sized hail.
0515 PM Tstm Wnd Dmg 1 N Prairieburg 42.25N 91.42W
08/07/2026 Linn IA Emergency Mngr
Broken windows and significant siding damage
to a home from wind driven hail. Machine
shed damaged. Liquid storage tank toppled
over. Crop damage from wind and hail. Large
tree snapped. Time estimated from radar.
0515 PM Tstm Wnd Dmg 2 NNW Prairieburg 42.27N 91.45W
08/07/2026 Linn IA Emergency Mngr
Outbuildings and a house damaged. Windmill
tower toppled. Time estimated from radar.
0517 PM Tstm Wnd Dmg Central City 42.20N 91.52W
08/07/2026 Linn IA Trained Spotter
Large trees down in Central City and 1 mile
east of Central City.
0519 PM Tstm Wnd Gst 2 NNW Shellsburg 42.12N 91.89W
08/07/2026 E65 MPH Benton IA Trained Spotter
Estimated 60 to 65 mph winds.
0522 PM Tstm Wnd Gst Hiawatha 42.05N 91.68W
08/07/2026 E60 MPH Linn IA Trained Spotter
Estimated gust.
0523 PM Tstm Wnd Dmg Prairieburg 42.24N 91.43W
08/07/2026 Linn IA Emergency Mngr
Trees and powerlines down in town.
0526 PM Tstm Wnd Gst 2 E Hiawatha 42.05N 91.64W
08/07/2026 E60 MPH Linn IA Trained Spotter
Estimated 60 mph winds or stronger.
0528 PM Tstm Wnd Gst 1 NNW Marion 42.05N 91.60W
08/07/2026 E60 MPH Linn IA Public
0528 PM Tstm Wnd Dmg Robins 42.07N 91.67W
08/07/2026 Linn IA Public
Numerous small branches .25 inch and 3 large
branches 4-6 inches from medium size city
trees at E Main/Mentzer Rd intersection.
Time estimated by radar.
0532 PM Tstm Wnd Dmg 1 ESE Anamosa 42.10N 91.26W
08/07/2026 Jones IA Trained Spotter
Multiple tree limbs of 3-5 inch diameter
down. Time estimated from radar.
0535 PM Tstm Wnd Gst 2 NNE Cedar Rapids 42.00N 91.66W
08/07/2026 E65 MPH Linn IA Trained Spotter
Estimated 65-70mph winds.
0539 PM Tstm Wnd Gst 3 W Marion 42.03N 91.64W
08/07/2026 E60 MPH Linn IA Public
0541 PM Tstm Wnd Gst 2 W Marion 42.03N 91.62W
08/07/2026 E60 MPH Linn IA Trained Spotter
0545 PM Tstm Wnd Dmg 3 SW Hiawatha 42.02N 91.73W
08/07/2026 Linn IA Trained Spotter
13 inch diameter tree snapped at the base.
Time estimated from radar.
0545 PM Tstm Wnd Gst 3 SSW Center Junction 42.08N 91.11W
08/07/2026 E65 MPH Jones IA Trained Spotter
Estimated 60-70 mph winds that lasted for
about 15 minutes. Also half inch hail.
0605 PM Tstm Wnd Gst Oxford Junction 41.99N 90.95W
08/07/2026 M72 MPH Jones IA Emergency Mngr
Time estimated from radar.
0606 PM Tstm Wnd Dmg Tipton 41.77N 91.13W
08/07/2026 Cedar IA Law Enforcement
Delayed report and time estimated from
radar. Tree branch down on transformer.
0617 PM Hail Clarence 41.89N 91.06W
08/07/2026 E1.00 Inch Cedar IA Law Enforcement
Delayed report.
0702 PM Hail 1 NNE Millersburg 41.59N 92.15W
08/07/2026 M2.75 Inch Iowa IA Emergency Mngr
Golfball to baseball sized hail.
0713 PM Tstm Wnd Dmg North English 41.52N 92.08W
08/07/2026 Iowa IA Broadcast Media
Media relayed report of 1-3 inch hail in
rural North English. Time estimated from
radar.
0725 PM Hail North English 41.52N 92.08W
08/07/2026 M1.50 Inch Iowa IA Public
0743 PM Hail Keota 41.37N 91.96W
08/07/2026 M1.75 Inch Keokuk IA Public
Golf ball sized hail reported. Time
estimated from radar.
0807 PM Hail 2 NNW Pleasant Plain 41.18N 91.89W
08/07/2026 M1.75 Inch Washington IA Public
0808 PM Hail 1 W Brighton 41.17N 91.84W
08/07/2026 M1.00 Inch Washington IA Trained Spotter
0915 PM Hail Packwood 41.13N 92.08W
08/07/2026 M1.75 Inch Jefferson IA Broadcast Media
Media relayed public report.
0937 PM Hail Fairfield 41.01N 91.97W
08/07/2026 E1.75 Inch Jefferson IA Trained Spotter
Golf ball sized hail reported just outside
Fairfield. Time estimated from radar.
Photos & Video
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Environment
Insert synoptic summary.
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Near-storm environment summary.
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Additional environmental data.
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Additional Information
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