Adams County weather alerts
There are no active weather alerts for Adams County, CO right now.
Since 2016 the National Weather Service has issued about 576 alerts that included Adams County, roughly 58 a year. The most common is the severe thunderstorm warning (338 from 2016 to 2025). The last tornado warning was issued on June 8, 2026. 194 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 Adams County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Washington County, Morgan County, Arapahoe County, Jefferson County.
Adams County alert history
Alert events that included Adams County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 338 | 47 | September 25, 2026 |
| Flood Advisory | 93 | 20 | September 25, 2026 |
| Severe Thunderstorm Watch | 67 | 8 | September 21, 2026 |
| Tornado Warning | 34 | 4 | June 8, 2026 |
| Flash Flood Warning | 18 | 5 | August 27, 2026 |
| Tornado Watch | 13 | 2 | June 24, 2026 |
| Flood Warning | 9 | 0 | June 25, 2023 |
| Snow Squall Warning | 3 | 0 | February 27, 2024 |
| Dust Storm Warning | 1 | 0 | May 5, 2023 |
Tornado history in Adams County
194 tornadoes have been recorded in Adams County since 1950, injuring 43 people. That ranks 3 of 64 counties in Colorado. The most recent was on June 13, 2025 (rated unknown).
Strongest tornadoes in Adams County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 18, 1975 | F3 | Adams County | 4.1 mi | 440 yd | 0 | 0 |
| June 12, 1982 | F3 | Adams County | 3 mi | 400 yd | 0 | 0 |
| July 13, 1996 | F2 | Adams County | 12 mi | 440 yd | 0 | 0 |
| May 30, 1976 | F2 | Adams County | 5.4 mi | 67 yd | 0 | 0 |
| May 18, 2025 | EF2 | Adams County | 4.4 mi | 400 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 13, 2025 | ? | Adams County | 0.2 mi | 10 yd | 0 | 0 |
| May 18, 2025 | EF2 | Adams County | 4.4 mi | 400 yd | 0 | 0 |
| May 18, 2025 | EF2 | Arapahoe County | 4.3 mi | 200 yd | 0 | 0 |
| August 19, 2024 | ? | Adams County | 0.7 mi | 25 yd | 0 | 0 |
| August 19, 2024 | ? | Adams County | 0.6 mi | 20 yd | 0 | 0 |
About Adams County
- Population: 542,973 (2024 estimate)
- State: Colorado
- NOAA Weather Radio SAME code: 008001 (how to use it)
- Cities: Thornton