Grundy County weather alerts
There are no active weather alerts for Grundy County, MO right now.
Since 2016 the National Weather Service has issued about 844 alerts that included Grundy County, roughly 84 a year. The most common is the severe thunderstorm warning (155 from 2016 to 2025). The last tornado warning was issued on June 10, 2026. 19 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 Grundy County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Livingston County, Daviess County, Sullivan County, Harrison County.
Grundy County alert history
Alert events that included Grundy County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 155 | 64 | September 16, 2026 |
| Dense Fog Advisory | 89 | 9 | September 11, 2026 |
| Severe Thunderstorm Watch | 81 | 6 | September 20, 2026 |
| Winter Weather Advisory | 79 | 3 | March 15, 2026 |
| Wind Advisory | 58 | 4 | June 17, 2026 |
| Flood Warning | 45 | 12 | September 16, 2026 |
| Heat Advisory | 39 | 8 | September 8, 2026 |
| Flood Watch | 35 | 11 | September 30, 2026 |
| Tornado Watch | 33 | 10 | June 11, 2026 |
| Freeze Warning | 31 | 3 | November 7, 2026 |
| Flash Flood Warning | 30 | 11 | August 15, 2026 |
| Cold Weather Advisory | 25 | 2 | January 26, 2026 |
| Flood Advisory | 22 | 10 | September 16, 2026 |
| Red Flag Warning | 18 | 4 | March 28, 2026 |
| Winter Storm Watch | 18 | 0 | November 29, 2025 |
| Frost Advisory | 16 | 2 | May 2, 2026 |
| Winter Storm Warning | 12 | 0 | February 11, 2025 |
| Tornado Warning | 10 | 8 | June 10, 2026 |
| Fire Weather Watch | 7 | 2 | March 28, 2026 |
| Freeze Watch | 7 | 1 | October 17, 2026 |
| High Wind Warning | 7 | 1 | March 15, 2026 |
| Extreme Heat Warning | 6 | 3 | September 3, 2026 |
| Extreme Cold Warning | 6 | 1 | January 23, 2026 |
| Extreme Heat Watch | 5 | 2 | July 25, 2026 |
| Extreme Cold Watch | 4 | 1 | January 23, 2026 |
| Ice Storm Warning | 2 | 0 | February 6, 2019 |
| Blizzard Warning | 2 | 0 | January 5, 2025 |
| High Wind Watch | 2 | 1 | March 15, 2026 |
| Snow Squall Warning | 0 | 3 | March 15, 2026 |
Tornado history in Grundy County
19 tornadoes have been recorded in Grundy County since 1950, injuring 9 people. That ranks 77 of 115 counties in Missouri. The most recent was on April 27, 2024 (rated EF0).
Strongest tornadoes in Grundy County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| November 17, 1958 | F2 | Grundy County | 14.9 mi | 50 yd | 0 | 0 |
| April 10, 1965 | F2 | Daviess County | 11.1 mi | 50 yd | 0 | 1 |
| April 10, 1965 | F2 | Grundy County | 10.3 mi | 100 yd | 0 | 1 |
| April 21, 1967 | F2 | Grundy County | 6.3 mi | 50 yd | 0 | 7 |
| June 24, 2021 | EF1 | Grundy County | 4.9 mi | 75 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 27, 2024 | EF0 | Grundy County | 4 mi | 75 yd | 0 | 0 |
| May 6, 2023 | EF0 | Grundy County | 0.5 mi | 25 yd | 0 | 0 |
| June 24, 2021 | EF1 | Grundy County | 4.9 mi | 75 yd | 0 | 0 |
| June 24, 2021 | EF0 | Grundy County | 5.6 mi | 50 yd | 0 | 0 |
| June 24, 2021 | EF0 | Grundy County | 1.7 mi | 25 yd | 0 | 0 |
About Grundy County
- Population: 9,766 (2024 estimate)
- State: Missouri
- NOAA Weather Radio SAME code: 029079 (how to use it)