McHenry County weather alerts
There are no active weather alerts for McHenry County, ND right now.
Since 2016 the National Weather Service has issued about 941 alerts that included McHenry County, roughly 94 a year. The most common is the severe thunderstorm warning (165 from 2016 to 2025). The last tornado warning was issued on June 9, 2026. 37 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 McHenry County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Renville County, Bottineau County, McLean County, Ward County.
McHenry County alert history
Alert events that included McHenry County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 165 | 33 | September 8, 2026 |
| Cold Weather Advisory | 124 | 6 | February 20, 2026 |
| Wind Advisory | 105 | 17 | October 24, 2026 |
| Winter Weather Advisory | 90 | 9 | April 3, 2026 |
| Dense Fog Advisory | 88 | 15 | November 11, 2026 |
| Severe Thunderstorm Watch | 63 | 7 | September 7, 2026 |
| Extreme Cold Warning | 37 | 1 | January 22, 2026 |
| Red Flag Warning | 32 | 4 | May 14, 2026 |
| Winter Storm Watch | 29 | 1 | February 18, 2026 |
| Frost Advisory | 27 | 2 | May 20, 2026 |
| Freeze Warning | 27 | 4 | October 16, 2026 |
| Winter Storm Warning | 23 | 1 | February 18, 2026 |
| High Wind Warning | 19 | 2 | May 14, 2026 |
| Fire Weather Watch | 18 | 3 | May 16, 2026 |
| Flood Warning | 14 | 0 | April 19, 2023 |
| Blizzard Warning | 13 | 0 | December 18, 2025 |
| High Wind Watch | 11 | 2 | March 12, 2026 |
| Tornado Watch | 10 | 2 | June 29, 2026 |
| Flood Advisory | 10 | 2 | September 3, 2026 |
| Heat Advisory | 9 | 1 | July 29, 2026 |
| Tornado Warning | 9 | 1 | June 9, 2026 |
| Freeze Watch | 8 | 0 | October 7, 2023 |
| Flood Watch | 4 | 0 | June 30, 2020 |
| Extreme Cold Watch | 3 | 1 | January 22, 2026 |
| Snow Squall Warning | 3 | 0 | October 30, 2023 |
| Dust Storm Warning | 0 | 1 | May 14, 2026 |
| Flash Flood Warning | 0 | 3 | September 3, 2026 |
| Extreme Heat Watch | 0 | 1 | July 11, 2026 |
| Extreme Heat Warning | 0 | 1 | July 11, 2026 |
Tornado history in McHenry County
37 tornadoes have been recorded in McHenry County since 1950. That ranks 20 of 53 counties in North Dakota. The most recent was on September 14, 2025 (rated unknown).
Strongest tornadoes in McHenry County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 6, 1982 | F2 | Ward County | 10 mi | 100 yd | 0 | 0 |
| July 18, 1994 | F1 | McHenry County | 10 mi | 100 yd | 0 | 0 |
| June 23, 2002 | F1 | McHenry County | 2 mi | 50 yd | 0 | 0 |
| May 15, 1977 | F1 | McHenry County | 1.3 mi | 10 yd | 0 | 0 |
| June 22, 2007 | EF1 | McHenry County | 0.5 mi | 250 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 14, 2025 | ? | McHenry County | 0.2 mi | 50 yd | 0 | 0 |
| September 14, 2025 | ? | McHenry County | 1.8 mi | 50 yd | 0 | 0 |
| September 14, 2025 | ? | McHenry County | 3.4 mi | 100 yd | 0 | 0 |
| September 14, 2025 | ? | McHenry County | 6.9 mi | 50 yd | 0 | 0 |
| September 14, 2025 | ? | McLean County | 7.3 mi | 100 yd | 0 | 0 |
About McHenry County
- Population: 5,135 (2024 estimate)
- State: North Dakota
- NOAA Weather Radio SAME code: 038049 (how to use it)