Keweenaw County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Has it hailed in Keweenaw County, Michigan recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 5 hail reports with hail up to 1.75", among 17 severe weather events logged here in the last 12 months, together with 12 high-wind reports with gusts up to 60 mph. The most recent recorded storm activity was on Jul 26, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
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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.
Sunday, July 26, 2026
2 NWS warnings — hail up to 0.5"
“At 901 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms near Mount Desor, or 9 miles west of Siskiwit Lake, moving southeast at 30 mph. Hazard: Winds in excess of 30 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. Locations impacted include...”
“At 830 PM EDT, Doppler radar was tracking a strong thunderstorm 7 miles north of Mount Desor, or 10 miles northwest of Siskiwit Lake, moving southeast at 35 mph. Hazard: Winds in excess of 30 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. Locations impacted include...”
- Hail 0.5" Keweenaw County NWS severe weather mention
- Hail 0.5" Keweenaw County NWS severe weather mention
Thursday, July 23, 2026
1 NWS warning — wind gusts up to 50 mph
“At 747 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles northeast of Rock Harbor to 7 miles northeast of Siskiwit Lake to near Mount Desor to 7 miles northeast of Grand Portage State Park. Movement was southeast at 20 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Wind 50 mph Keweenaw County NWS severe weather mention
Sunday, July 12, 2026
2 SPC verified storm reports · 2 NWS warnings — hail up to 1.75"
“Delayed report. Picture on facebook shows a collection of hailstones on wooden planks... with the largest being roughly golf ball sized. Time estimated from radar. (MQT)”
“At 704 AM EDT, Doppler radar was tracking a strong thunderstorm 16 miles southeast of Thunder Bay Ontario, or 19 miles northwest of Siskiwit Lake, moving southeast at 30 mph. Hazard: Winds in excess of 30 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. This strong thunderstorm will be near...”
- Hail 1.75" Malone Bay SPC verified report
- Hail 0.5" Keweenaw County NWS severe weather mention
- Hail 0.5" Keweenaw County NWS severe weather mention
- Wind Unknown Ahmeek SPC verified report
Friday, February 27, 2026
3 NWS warnings — wind gusts up to 60 mph
“WHAT...West winds 20 to 30 mph with gusts up to 60 mph. WHERE...Keweenaw and Northern Houghton Counties. WHEN...Until 1 AM EST Saturday. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 20 to 30 mph with gusts up to 60 mph. WHERE...Keweenaw and Northern Houghton Counties. WHEN...Until 1 AM EST Saturday. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Keweenaw County NWS severe weather mention
- Wind 60 mph Keweenaw County NWS severe weather mention
- Wind 60 mph Keweenaw County NWS severe weather mention
Thursday, February 26, 2026
3 NWS warnings — wind gusts up to 60 mph
“WHAT...West winds 20 to 30 mph with gusts up to 60 mph possible. WHERE...Keweenaw and Northern Houghton Counties. WHEN...From Friday afternoon through late Friday night. IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. WHERE...Keweenaw and Northern Houghton Counties. WHEN...From 1 PM Friday to 1 AM EST Saturday. IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Keweenaw County NWS severe weather mention
- Wind 55 mph Keweenaw County NWS severe weather mention
- Wind 55 mph Keweenaw County NWS severe weather mention
Sunday, November 2, 2025
4 NWS warnings — wind gusts up to 50 mph
“WHAT...Southwest winds 15 to 25 mph with gusts to 45 mph becoming west tonight. A few gusts to 50 mph are possible this afternoon. WHERE...Keweenaw and Northern Houghton Counties. WHEN...Until 7 PM EST Monday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Southwest winds 15 to 25 mph with gusts to 45 mph becoming west tonight. A few gusts to 50 mph are possible today. WHERE...Keweenaw and Northern Houghton Counties. WHEN...Until 7 PM EST Monday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Keweenaw County NWS severe weather mention
- Wind 50 mph Keweenaw County NWS severe weather mention
- Wind 50 mph Keweenaw County NWS severe weather mention
- Wind 50 mph Keweenaw County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Keweenaw County, MI?
The most recent recorded event was on Jul 26, 2026. Official NWS and SPC records show 17 severe weather events in Keweenaw County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Keweenaw County recently?
Yes — 5 hail reports in the last 12 months, 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.