Harrison County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 180 days · Updated Sep 11, 2026
Harrison County, Iowa has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 17 severe weather events here in the last 180 days, alongside 11 hail reports with hail up to 1.75" and 5 high-wind reports with gusts up to 65 mph. The most recent recorded storm activity was on Jun 13, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
Check an address in Harrison County for storm exposure
See address-level storm activity — verified reports and warning boundaries around any specific property. Free account, takes under a minute.
Check an address 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.
Saturday, June 13, 2026
1 NWS warning — hail up to 0.5"
“At 806 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles south of Hooper to near Woodcliff to 2 miles southwest of Leshara to near Ithaca. Movement was east at 45 mph. Hazard: Wind gusts up to 50 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.”
- Hail 0.5" Harrison County NWS severe weather mention
Saturday, June 6, 2026
1 NWS warning — hail up to 0.75"
“At 707 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Underwood to Oakland to 2 miles north of Griswold. Movement was north at 20 mph. Hazard: Wind gusts up to 50 mph and penny size hail with the strongest storms. Funnel clouds have also been reported with these storms. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Hail 0.75" Harrison County NWS severe weather mention
Saturday, May 30, 2026
1 SPC verified storm report — hail up to 1"
- Hail 1" Woodbine SPC verified report
Saturday, May 16, 2026
1 SPC verified storm report — wind gusts up to 65 mph
- Wind 65 mph 1 SSE Missouri Valley SPC verified report
Thursday, April 23, 2026
7 SPC verified storm reports — hail up to 1.5", 1 tornado report
“EM relayed reports of numerous power lines down and roofs off of buildings along 120th St. Time is estimated from radar. (OAX)”
“Delayed report via social media of hail up to ping pong ball sized. Time estimated with radar. (OAX)”
- Tornado Tornado 2 N Little Sioux SPC verified report
- Hail 1.5" 4 N Missouri Valley SPC verified report
- Hail 1.25" 2 NE Little Sioux SPC verified report
- Hail 1" 4 S Persia SPC verified report
- Hail 1" Dunlap SPC verified report
- Hail 1" 3 ESE Missouri Valley SPC verified report
- Hail 1" Logan SPC verified report
Wednesday, April 15, 2026
2 SPC verified storm reports — hail up to 1.75"
- Hail 1.75" Dunlap SPC verified report
- Hail 1.5" 4 S Pisgah SPC verified report
Saturday, March 28, 2026
1 NWS warning — wind gusts up to 50 mph
“AFFECTED AREA...Knox, Cedar, Thurston, Antelope, Pierce, Wayne, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona, Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy, Harrison, Shelby, Seward, Lancaster, Cass, Otoe, Pottawattamie, Saline, Mills, Montgomery, Jefferson, Gage, Fremont, Johnson, Page, Nemaha, Pawnee, and Richardson Counties. TIMING...From 9 AM to 10 PM CDT this evening.”
- Wind 50 mph Harrison County NWS severe weather mention
Friday, March 27, 2026
1 NWS warning — wind gusts up to 55 mph
“The National Weather Service in Omaha/Valley has cancelled the Red Flag Warning. AFFECTED AREA...Thurston, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona, Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy, Harrison, Shelby, Seward, Lancaster, Cass, Otoe, Pottawattamie, Saline, Mills, Montgomery, Jefferson, Gage, Fremont, Johnson, Page, Nemaha, Pawnee, and Richardson Counties.”
- Wind 55 mph Harrison County NWS severe weather mention
Sunday, March 15, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...For the High Wind Warning, northwest winds 35 to 40 mph with gusts up to 60 mph. For the Cold Weather Advisory, very cold wind chills as low as 23 below expected. WHERE...Portions of southwest and west central Iowa and east central and northeast Nebraska. WHEN...For the High Wind Warning, until 1 AM CDT Monday. For the Cold Weather Advisory, until 10 AM CDT Monday.”
“WHAT...For the High Wind Warning, northwest winds 35 to 40 mph with gusts up to 60 mph. For the Cold Weather Advisory, very cold wind chills as low as 23 below expected. WHERE...Portions of southwest and west central Iowa and east central and northeast Nebraska. WHEN...For the High Wind Warning, until 1 AM CDT Monday. For the Cold Weather Advisory, until 10 AM CDT Monday.”
- Wind 60 mph Harrison County NWS severe weather mention
- Wind 60 mph Harrison County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Harrison County, IA?
The most recent recorded event was on Jun 13, 2026. Official NWS and SPC records show 17 severe weather events in Harrison County over the last 180 days. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Harrison County recently?
Yes — 11 hail reports in the last 180 days, with hail up to 1.75" recorded.
How do I check whether a specific address was affected?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.