Snowy and Judith Mountains storm history
Storm events recorded in Snowy and Judith Mountains, Montana between 1950 and 2025.
30
Total events
0
Tornadoes
0
Hail
0
Floods
0
Deaths
$0
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
High Wind High Wind
This zone does not have many sensors, so verification is a bit sparse. The one DOT sensor at Lewistown Divide lost power and did not report winds/gusts for the overwhelming majority of the event. The other reliable sensor is Judith Peak RAWS JPKM8, though that sensor is at a moun…
High Wind High Wind
Mesonet station JPKM8 Judith Peak RAWS reported a 66 mph wind gust and high sustained winds.
Heavy Snow Heavy Snow
Snotel equipment at Crystal Lake estimated 9 inches new snow over the 24 hour period ending 3 PM January 11.
High Wind High Wind
Mesonet station MTLEW Lewistown Divide (MT DOT) measured a 58 mph gust.
High Wind High Wind
Mesonet station JPKM8 Judith Peak RAWS reported a 70mph wind gust.
Heavy Snow Heavy Snow
A trained spotter reported 9 inches new snow 6 miles south of Lewistown. Additionally, snotel equipment at Crystal lake estimated 11 inches new snow. Start times was estimated using the nearby Lewistown Airport ASOS.
High Wind High Wind
RAWS station JPKM8 Judith Peak Raws (7 miles ESE of Hilger) measured a 74 mph gust. Additionally, MTLEW Lewistown Divide (MT DOT) 8 miles east of Lewistown measured a 58 mph gust.
High Wind High Wind
RAWS station JPKM8 Judith Peak measured two gusts in excess of 60 mph, including a peak gust of 67 mph.
High Wind High Wind
RAWS station JPKM8 Judith Peak measured a 60 mph gust.
High Wind High Wind
RAWS station JPKM8 Judith Peak measured multiple gusts in excess of 58 mph, including a peak gust of 73 mph.
High Wind High Wind
RAWS station JPKM8 Judith Peak measured multiple gusts into the 60s mph, including a peak gust of 67 mph.
High Wind High Wind
Little Snowy RAWS (LSNM8) measured two gusts of 58 mph or greater, including a peak gust of 60 mph.
Heavy Snow Heavy Snow
COOP observer reported 14 inches new snow over 24 hours. Verification time estimated.
Heavy Snow Heavy Snow
SNOTEL equipment at Crystal Lake estimated 14 inches new snow over the 10 hours prior to verification time. The SNOTEL estimated 18 inches storm total snow. Additionally, a Co-Op observer measured 13.5 inches new snow over 24 hours ending 7 AM MDT April 7.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet station jpkm8 Judith Peak RAWS. Wind Chill of -74F.
High Wind High Wind
RAWS station JPKM8 Judith Peak measured a lone gust to 59 mph.
Heavy Snow Heavy Snow
SNOTEL equipment at Crystal Lake estimated 9 inches new snow by 8 AM the 25th. Snow continued into the late afternoon on the 26th.
High Wind High Wind
RAWS station JPKM8 Judith Peak measured a wind gust of 63 mph.
Heavy Snow Heavy Snow
A co-op observer measured 14 inches new snow over 24 hours ending 7AM MDT 4/19. A public report of 24 inches was received southeast of Lewistown in the Snowy Mountains foothills. Additionally, the Crystal Lake Snotel estimated 33 inches new storm total snow for the event.
High Wind High Wind
RAWS station jpkm8 Judith Peak measured two wind gusts in excess of 60 mph, including a 62 mph gust.
Heavy Snow Heavy Snow
Automated equipment at Crystal Lake estimated 10 inches of snow over a 14 hour period, at an elevation of 6,213 feet.
Heavy Snow Heavy Snow
COOP Observer located about 11 miles south/southeast of Lewistown recorded 10.3 inches of snow over a 24 hour period.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Judith Peak RAWS site, located about 7 miles ESE of Hilger, recorded a minimum wind chill value of -43 F.
High Wind High Wind
RAWS station JPKM8, located about 7 miles ESE of Hilger, measured a peak non-thunderstorm wind gust of 61 mph.
Heavy Snow Heavy Snow
SNOTEL automated equipment at Crystal Lake estimated 12 inches of new snow for an event total. Station elevation was 6,213 feet. Elsewhere, a Co-Op observer located about 11 miles south of Lewistown reported an event snow total of 8 inches.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Multiple sensors measured wind chills of less than -40 F, including the Little Snowy RAWS (LSNM8) which measured a minimum wind chill of -47 F.
High Wind High Wind
Mesonet station JPKM8 (Judith Peak Raws) reported 80 mph wind gust.
High Wind High Wind
AWOS station KMVH (N Bar Ranch) reported 66 mph wind gust.
Heavy Snow Heavy Snow
SNOTEL Crystal Lake reported 10 inches of snow over an approx 20 hour period.
Heavy Snow Heavy Snow
SNOTEL Crystal Lake reported 6 inches of snow over an approx 12 hour period.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 3 | 0 |
| 2024 | 12 | 0 |
| 2023 | 10 | 0 |
| 2022 | 5 | 0 |