Iosco County weather alerts
There are no active weather alerts for Iosco County, MI right now.
Since 2016 the National Weather Service has issued about 411 alerts that included Iosco County, roughly 41 a year. The most common is the winter weather advisory (100 from 2016 to 2025). The last tornado warning was issued on July 19, 2020. 13 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Iosco County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Ogemaw County, Arenac County, Alcona County.
Iosco County alert history
Alert events that included Iosco County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 100 | 10 | April 2, 2026 |
| Severe Thunderstorm Warning | 47 | 10 | July 27, 2026 |
| Wind Advisory | 38 | 1 | January 9, 2026 |
| Frost Advisory | 36 | 4 | October 6, 2026 |
| Red Flag Warning | 27 | 2 | May 16, 2026 |
| Winter Storm Watch | 22 | 2 | March 15, 2026 |
| Freeze Warning | 21 | 8 | May 12, 2026 |
| Severe Thunderstorm Watch | 18 | 3 | July 1, 2026 |
| Dense Fog Advisory | 17 | 6 | October 24, 2026 |
| Winter Storm Warning | 17 | 0 | November 29, 2025 |
| Fire Weather Watch | 13 | 1 | May 16, 2026 |
| Cold Weather Advisory | 12 | 5 | February 7, 2026 |
| Flood Watch | 9 | 1 | April 12, 2026 |
| Heat Advisory | 8 | 2 | July 13, 2026 |
| Freeze Watch | 4 | 3 | May 21, 2026 |
| High Wind Watch | 4 | 0 | March 6, 2022 |
| Flood Warning | 4 | 3 | April 19, 2026 |
| Extreme Cold Warning | 2 | 1 | January 23, 2026 |
| High Wind Warning | 2 | 0 | November 15, 2020 |
| Tornado Watch | 2 | 0 | May 16, 2025 |
| Blizzard Warning | 2 | 0 | January 12, 2024 |
| Flash Flood Warning | 2 | 0 | July 15, 2023 |
| Extreme Heat Warning | 1 | 0 | June 30, 2018 |
| Tornado Warning | 1 | 0 | July 19, 2020 |
| Ice Storm Warning | 1 | 0 | February 22, 2022 |
| Flood Advisory | 1 | 2 | July 28, 2026 |
| Extreme Cold Watch | 0 | 2 | January 29, 2026 |
| Extreme Heat Watch | 0 | 1 | June 30, 2026 |
Tornado history in Iosco County
13 tornadoes have been recorded in Iosco County since 1950, killing 4 people and injuring 14. That ranks 40 of 83 counties in Michigan. The most recent was on June 17, 2014 (rated EF1).
Strongest tornadoes in Iosco County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 27, 1991 | F3 | Ogemaw County | 35 mi | 100 yd | 0 | 0 |
| March 27, 1991 | F3 | Ogemaw County | 21 mi | 100 yd | 0 | 0 |
| June 8, 1953 | F2 | Iosco County | 16.6 mi | 833 yd | 4 | 13 |
| June 20, 1982 | F1 | Ogemaw County | 9 mi | 70 yd | 0 | 1 |
| June 29, 1981 | F1 | Iosco County | 5.6 mi | 33 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 17, 2014 | EF1 | Iosco County | 1.6 mi | 100 yd | 0 | 0 |
| August 7, 2011 | EF0 | Iosco County | 0.2 mi | 50 yd | 0 | 0 |
| June 17, 1992 | F1 | Iosco County | 1 mi | 20 yd | 0 | 0 |
| March 27, 1991 | F3 | Ogemaw County | 21 mi | 100 yd | 0 | 0 |
| March 27, 1991 | F3 | Ogemaw County | 35 mi | 100 yd | 0 | 0 |
About Iosco County
- Population: 25,361 (2024 estimate)
- State: Michigan
- NOAA Weather Radio SAME code: 026069 (how to use it)