Challis-pahsimeroi Valleys storm history
Storm events recorded in Challis-pahsimeroi Valleys, Idaho between 1950 and 2025.
10
Total events
0
Tornadoes
0
Hail
0
Floods
0
Deaths
$3K
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
High Wind High Wind
Wind gusts measured were 63 mph at the Challis airport ASOS station, 64 mph at Little Crerek, 64 mph 11 miles west southwest of Challis, and an incredible 87 mph at Willow Creek Summit on US Highway 93.
High Wind High Wind
A 66 mph wind gust was measured at the Challis Airport ASOS site. 3 or 4 evergreen trees were also blown over due to the extreme winds in the Challis cemetery.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The Challis ASOS recorded -22 on the 30th with wind chills below 30 below.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The Challis ASOS mean November temperatures of 21.4 degrees made it the 3rd coldest November recorded.
Excessive Heat Excessive Heat
The ASOS at Challis recorded the hottest September ever with 99 degrees recorded on September 3rd. Five record high temperatures were recorded during the month.
Excessive Heat Excessive Heat
It was the hottest June ever recorded at Challis with an average monthly temperature of 70.1 degrees which was 9.2 degrees above the monthly normal.
High Wind High Wind
A wind gust of 65 mph was recorded just north of Challis.
Heat Heat
The high temperature of 98 degrees in Challis on September 5th was the hottest September temperature ever recorded in the city breaking the previous hottest temperature of 96 degrees set the day before.
Heavy Snow Heavy Snow
Due to it's unique valley location, Challis rarely sees heavy snowfall, but this latest Pacific Storm system brought the heaviest snowfall in the region to Challis. Spotters reported 7 inches of snow fell in the city on the 26th and overnight into the 27th which was by far the mo…
Wildfire Wildfire
A lightning caused fire began August 2nd and continued through the month of August north of Challis. The fire was predominately in Lemhi County but also burned in parts of northern Custer County as well. The fire burned lodgepole pine and douglas fir and higher elevation subalpin…
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 1 | 0 |
| 2024 | 1 | 0 |
| 2023 | 1 | 0 |
| 2022 | 2 | 0 |
| 2021 | 2 | 0 |
| 2020 | 2 | 0 |
| 2018 | 1 | 0 |