Mercer County Hail Map & Storm Reports
Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 14, 2026
Mercer County, Missouri has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 4 tornado reports among 41 severe weather events here in the last 12 months, alongside 8 hail reports with hail up to 1.75" and 29 high-wind reports with gusts up to 65 mph. The most recent recorded storm activity was on Aug 4, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Mercer County hail map
Where hail and high-wind reports clustered across Mercer County over the last 12 months. Heat shows report density and significance, not radar.
What the radar showed
Hail history for an address in Mercer County
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 →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.
Tuesday, August 4, 2026
1 SPC verified storm report
“Several trees... power poles... and power lines downed near... north... and east of Mercer. Time estimated from radar. (EAX)”
- Wind Unknown Mercer SPC verified report
Tuesday, July 21, 2026
1 NWS warning — wind gusts up to 55 mph
“At 1216 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Unionville to 13 miles east of Mercer to 13 miles east of Princeton. Movement was southeast at 35 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Mercer County NWS severe weather mention
Monday, July 20, 2026
1 NWS warning — wind gusts up to 50 mph
“At 1152 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles southeast of Corydon to near Mercer to 6 miles northeast of Cainsville. Movement was southeast at 35 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Mercer County NWS severe weather mention
Tuesday, June 16, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...Southwest winds 20 to 25 mph with gusts up to 50 mph expected. WHERE...Portions of northeast Kansas and north central, northwest, and west central Missouri. WHEN...From 7 AM to 1 PM CDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Southwest winds 20 to 25 mph with gusts up to 50 mph expected. WHERE...Portions of northeast Kansas and north central, northwest, and west central Missouri. WHEN...From 7 AM to 1 PM CDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Mercer County NWS severe weather mention
- Wind 50 mph Mercer County NWS severe weather mention
Thursday, June 11, 2026
3 SPC verified storm reports — hail up to 1", wind gusts up to 65 mph
“Estimated 60 to 65 mph gusts in Mercer. (EAX)”
“Social media report. Time estimated from radar. (EAX)”
- Wind 65 mph Mercer SPC verified report
- Hail 1" 3 WNW Princeton SPC verified report
- Wind Unknown Princeton SPC verified report
Wednesday, June 10, 2026
7 SPC verified storm reports — hail up to 1.75", 4 tornado reports
“A second supercell in Mercer County produced a brief EF-0 tornado near U.S. Highway 65 north of Princeton on 10 June... continuing to the northeast across Finch Avenue (EAX)”
“Public recorded video of tornado on the ground. Approximate location estimated by radar. (EAX)”
- Tornado Tornado 3 NNE Princeton SPC verified report
- Tornado Tornado 4 E Mercer SPC verified report
- Tornado Tornado 3 ENE Princeton SPC verified report
- Tornado Tornado 4 E Mercer SPC verified report
- Hail 1.75" Princeton SPC verified report
- Hail 1" 3 NNE Princeton SPC verified report
- Wind Unknown 3 NNE Princeton SPC verified report
Tuesday, June 9, 2026
2 SPC verified storm reports — hail up to 1.5"
“Fire department reported ping pong ball sized hail. Report relayed by EM. (EAX)”
“Social media report. Time estimated from radar. (EAX)”
- Hail 1.5" 1 E Mill Grove SPC verified report
- Hail 1" 5 WSW Newtown SPC verified report
Monday, April 27, 2026
1 NWS warning — wind gusts up to 50 mph
“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.”
- Wind 50 mph Mercer County NWS severe weather mention
Friday, April 17, 2026
1 SPC verified storm report — hail up to 1.75"
“Civilian sent photo of quarter to golf ball size hail from rural Mercer County northeast of Cainsville. Time estimated from radar. (EAX)”
- Hail 1.75" 4 NE Cainsville SPC verified report
Wednesday, April 15, 2026
1 SPC verified storm report — hail up to 1"
“Social media report. Time estimated from radar. (EAX)”
- Hail 1" Mercer SPC verified report
Thursday, April 2, 2026
1 SPC verified storm report — hail up to 1.75"
“Social media report. Time estimated from radar. (EAX)”
- Hail 1.75" 3 W Mercer SPC verified report
Monday, March 16, 2026
3 NWS warnings — wind gusts up to 60 mph
“WHAT...Northwest winds 25 to 30 mph with gusts up to 60 mph. WHERE...Portions of northwest and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. 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.”
“WHAT...For the High Wind Warning, northwest winds 25 to 30 mph with gusts up to 50 mph. For the Wind Advisory, northwest winds 25 to 30 mph with gusts up to 45 mph expected. WHERE...Portions of north central, northeast, and northwest Missouri. WHEN...For the High Wind Warning, until 4 AM CDT early this morning. For the Wind Advisory, until 7 AM CDT this morning.”
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 50 mph Mercer County NWS severe weather mention
- Wind 50 mph Mercer County NWS severe weather mention
Sunday, March 15, 2026
7 NWS warnings — wind gusts up to 60 mph
“WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with gusts up to 60 mph. For the Wind Advisory, northwest winds 25 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of north central, northeast, and northwest Missouri. WHEN...For the High Wind Warning, until 4 AM CDT Monday. For the Wind Advisory, from 4 AM to 7 AM CDT Monday.”
“WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with gusts up to 60 mph. For the Wind Advisory, northwest winds 25 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of north central, northeast, and northwest Missouri. WHEN...For the High Wind Warning, until 4 AM CDT Monday. For the Wind Advisory, from 4 AM to 7 AM CDT Monday.”
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
Saturday, March 14, 2026
5 NWS warnings — wind gusts up to 60 mph
“WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with gusts up to 60 mph expected. For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 45 mph expected. WHERE...Portions of north central, northeast, and northwest Missouri. WHEN...For the High Wind Warning, from 1 PM Sunday to 4 AM CDT Monday. For the Wind Advisory, from 4 AM to noon CDT Monday.”
“WHAT...For the High Wind Warning, northwest winds 25 to 35 mph with gusts up to 60 mph expected. For the Wind Advisory, northwest winds 20 to 30 mph with gusts up to 45 mph expected. WHERE...Portions of north central, northeast, and northwest Missouri. WHEN...For the High Wind Warning, from 1 PM Sunday to 4 AM CDT Monday. For the Wind Advisory, from 4 AM to noon CDT Monday.”
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
- Wind 60 mph Mercer County NWS severe weather mention
Thursday, March 12, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph expected. The winds will switch to the west-northwest after Midnight, when there could be even higher gusts. WHERE...Portions of north central, northwest, and west central Illinois, east central and southeast Iowa, and northeast Missouri. WHEN...From 10 PM this evening to 3 PM CDT Friday.”
“WHAT...Southwest to west winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of east central Kansas and central, north central, northeast, and west central Missouri. WHEN...From 3 PM this afternoon to 4 AM CDT Friday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Mercer County NWS severe weather mention
- Wind 50 mph Mercer County NWS severe weather mention
Wednesday, February 18, 2026
2 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.”
“...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.”
- Wind 50 mph Mercer County NWS severe weather mention
- Wind 50 mph Mercer County NWS severe weather mention
Wednesday, September 17, 2025
1 SPC verified storm report
“Delayed report. Downed tree limbs reported in the Lineville area along with small hail. Time estimated from radar. (EAX)”
- Wind Unknown South Lineville SPC verified report
Today's severe weather outlook
Common questions
When was the last severe storm in Mercer County, MO?
The most recent recorded event was on Aug 4, 2026. Official NWS and SPC records show 41 severe weather events in Mercer 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 Mercer County recently?
Yes — 8 hail reports in the last 12 months, with hail up to 1.75" 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 Mercer 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.