Past winter alerts in 2026
4344 alert pages. Every alert keeps its page after it ends.
| Alert | State | Severity | Places |
|---|---|---|---|
Winter Storm WatchEnded
6 to 10 inches of snow possible, gusts up to 45 mph.
|
Severe |
|
|
Winter Weather AdvisoryEnded
7 to 12 inches of snow across much of Yellowstone National Park, including the south and east park entrances.
|
Moderate |
|
|
Winter Weather AdvisoryEnded
3 to 5 inches of snow, near 12 inches of snow at ridge tops.
|
Moderate | ||
Cold Weather AdvisoryEnded
Wind chills as low as 12 below zero, wind chills as low as 6 below zero.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
Wind chills as low as 12 below zero, wind chills as low as 6 below zero.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
Wind chills as low as 12 below zero, wind chills as low as 6 below zero.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
Wind chills as low as 12 below zero, wind chills as low as 6 below zero.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
Wind chills as low as 22 below zero, wind chills as low as 14 below zero.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
Wind chills as low as 22 below zero, wind chills as low as 14 below zero.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
Wind chills as low as 22 below zero, wind chills as low as 14 below zero.
|
Moderate |
|
|
Winter Weather AdvisoryEnded
12 to 20 inches of snow.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
For the Extreme Cold Warning, dangerously cold wind chills from 15 to 30 below.
|
Moderate |
|
|
Cold Weather AdvisoryEnded
For the Extreme Cold Warning, dangerously cold wind chills from 15 to 30 below.
|
Moderate |
|
|
Winter Storm WarningEnded
10 to 16 inches of snow, gusts up to 45 mph.
|
Severe | ||
Cold Weather AdvisoryEnded
Wind chills as low as 60 below zero.
|
Moderate | ||
Extreme Cold WatchEnded
Wind chills as low as 61 below zero.
|
Severe |
|
|
Extreme Cold WatchEnded
Wind chills as low as 75 below zero.
|
Severe | ||
Winter Weather AdvisoryEnded
12 to 18 inches of snow above 7000 feet, 4 to 10 inches of snow above 6000 feet.
|
Moderate | ||
Winter Weather AdvisoryEnded
10 to 18 inches of snow above 6000 feet, locally higher over peaks, 4 to 10 inches of snow above 5000 feet.
|
Moderate |
|
|
Winter Weather AdvisoryEnded
10 to 18 inches of snow above 7000 feet, gusts up to 35 mph.
|
Moderate |
|