Little Rocky Mountains storm history
Storm events recorded in Little Rocky Mountains, Montana between 1950 and 2025.
265
Total events
0
Tornadoes
0
Hail
0
Floods
0
Deaths
$301K
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Heavy Snow Heavy Snow
A Facebook public report relayed a snowfall total measurement of 11 inches at 9E Zortman.
High Wind High Wind
The Malta South US-191 DOT site (MTMAL) measured a 64 mph wind gust.
Drought Drought
D2 and a sliver of D3 drought conditions here continued through December 29th.
Winter Storm Winter Storm
Multiple reports from Zortman trained spotters included 8 inches of snow with drifts up to two feet tall.
High Wind High Wind
The BLM Zortman E mesonet site (MTM38) recorded multiple severe wind gusts over the course of 45 minutes, peaking at 63 mph.
Drought Drought
D2 drought conditions set in across most of Southwest Phillips County while D3 drought conditions touched just the western edge of the zone throughout the month of November.
High Wind High Wind
Zortman RAWS reported a wind gust to 58 mph.
High Wind High Wind
DOT station Malta South recorded a wind gust of 63 mph.
High Wind High Wind
Winds gusted to 68 mph in the area with the highest gusts occurring Sunday, February 23rd at 130 pm.
Heavy Snow Heavy Snow
Snowfall of about 6 inches fell across southwest Phillips county from this system.
High Wind High Wind
Winds gusted to 60 mph at the Zortman BLM observation site at 232 pm July 16th.
Heavy Snow Heavy Snow
The heaviest snow occurred Saturday morning and lingered through Saturday evening, with the entire event ending around 8 PM Sunday. Around one foot of snow fell with drifts up to 3 feet.
Heavy Snow Heavy Snow
Trained spotter reported 5 to 6 inches of total snowfall.
High Wind High Wind
Mesonet observations across the area reported gusts as high as 67 mph. The highest was observed at the BLM Zortman E (MTM38).
High Wind High Wind
Wind gusts topped out at 63 mph.
High Wind High Wind
A peak wind gust of 58 mph occurred at 5:30 PM and 5:45 PM at the BLM Zortman East mesonet site (MTM38).
Heavy Snow Heavy Snow
The public reported 8.0 to 11.0 inches of snow near Zortman. Liquid equivalent was measured at 0.90 inches. Times are estimated.
High Wind High Wind
A peak wind gust of 79 mph was measured at the 9 E Zortman Matador Ranch mesonet site. Other notable wind gusts include 68 mph at Zortman 1E mesonet site (ALDM8) at 9:32 PM and 67 mph at BLM Zortman E mesonet site (MTM38) at 10:15 PM.
High Wind High Wind
Across the Little Rocky Mountains, intermittent wind speeds of at least 40 mph began in the early nighttime hours on the 6th and lasted until the afternoon of the 7th. The peak wind gust of 73 mph was recorded at the Malta South US-191 DOT site (MTMAL) at 6:30 AM on May 7th.
Heavy Snow Heavy Snow
Across the Little Rocky Mountains, measured snowfall amounts ranged from 2.0 to 6.0 inches. The greatest amount of 6.0 inches was reported by a trained spotter 8 SW Zortman.
Heavy Snow Heavy Snow
A trained spotter measured 5.5 inches of snow in Zortman. Times are estimated.
Cold/Wind Chill Cold/Wind Chill
For multiple sites across the Little Rocky Mountains, temperatures in the teens to 30s below zero and breezy winds created intermittent periods of wind chills of 40 degrees below zero or colder from the evening of the 11th into the morning of the 15th. The peak wind chill of 58 d…
High Wind High Wind
A peak wind gust of 66 mph was recorded at 12:45 AM, at the Malta South US-191 DOT site (MTMAL).
Heavy Snow Heavy Snow
A COOP Observer measured 11.0 inches of snow at the CO-OP Observer station ZRTM8 Zortman.
High Wind High Wind
A peak wind gust of 68 mph was measured at 11:45 AM at the Malta South US-191 DOT site (MTMAL).
Heavy Snow Heavy Snow
Across the Little Rocky Mountains, measured snowfall amounts ranged from 3.5 to 8.0 inches. The greatest amount of 8.0 inches was measured by a trained spotter in Zortman. Times are estimated.
High Wind High Wind
A peak wind gust of 66 mph was recorded at 6:38 AM at the Malta South US-191 DOT site (MTMAL).
Drought Drought
To start April, ongoing drought conditions at the immediate northern border of the Little Rockies against Blaine County and the eastern half of the Little Rockies were in (D1-Moderate) drought, while the remainder of the western half was in (D2-Severe) conditions. On the third we…
Heavy Snow Heavy Snow
Montana Department of Highways website reported severe driving conditions on US Highway 191 between Malta and MT Highway 66. Times are estimated.
Heavy Snow Heavy Snow
A COOP Observer reported an estimated 6.0 inches of snow in Zortman.
Drought Drought
To start March, ongoing drought conditions at the immediate northern border of the Little Rockies against Blaine County and the eastern half of the Little Rockies were in (D2-Severe) conditions while the remainder of the western half remained in (D3-Extreme) drought. On the third…
Blizzard Blizzard
Severe driving conditions were reported on the Montana Department of Highways travel map on US Highway 191 between the Malta South DOT webcam near the Zortman turnoff to just south of the Fred Robinson bridge. Severe driving conditions were also reported on the map for MT Highway…
Heavy Snow Heavy Snow
Across the Little Rocky Mountains, measured snowfall amounts ranged from 8.0 to 12.0 inches. The greatest amount of 12.0 inches was reported by the public, via Facebook at 2 E Zortman.
Drought Drought
To start February, ongoing drought conditions in the western two thirds of the Little Rocky Mountains were in (D3-Extreme) drought, while the eastern third of the Little Rocky Mountains was in (D2-Severe) conditions. On the second week of February, the immediate northern border o…
High Wind High Wind
A peak wind gust of 61 mph was measured at 9:30 AM at the BLM Zortman E mesonet site (MTM38).
Drought Drought
To start January, ongoing drought conditions in the western two thirds of the Little Rocky Mountains were in (D3-Extreme) drought, while the eastern third of the Little Rocky Mountains was in (D2-Severe) conditions. These conditions would remain the same through the end of the mo…
Cold/Wind Chill Cold/Wind Chill
For multiple sites across the Little Rocky Mountains, temperatures in the teens and 20s below zero and breezy winds created intermittent periods of wind chills of -40 or worse from the late night of the 20th into the morning of the 23rd. The peak wind chill of -61 was recorded at…
Heavy Snow Heavy Snow
Across the Little Rocky Mountains, measured snowfall amounts ranged from 6.0 to 8.0 inches. The greatest amount of 8.0 inches was reported by public, via Facebook at Zortman.
Drought Drought
To start December, ongoing drought conditions in the western two thirds of the Little Rocky Mountains were in (D3-Extreme) drought, while the eastern third of the Little Rocky Mountains was in (D2-Severe) conditions. These conditions would remain the same through the end of the m…
High Wind High Wind
Intermittent wind speeds of at least 40 mph were common in the Little Rocky Mountains from the mid morning to the night time hours. The peak wind gust of 66 mph was recorded multiple times between 10:05 AM and 2:00 PM and again at 8:58 PM and 9:00 PM at the Malta South US-191 DOT…
Drought Drought
To start November, ongoing drought conditions in the western two thirds of the Little Rocky Mountains were in (D3-Extreme) drought, while the eastern third of the Little Rocky Mountains was in (D2-Severe) conditions. These conditions would remain the same through the end of the m…
High Wind High Wind
A peak wind gust of 58 mph occurred at 11:30 PM at the BLM Zortman E mesonet site (MTM38).
Drought Drought
To start October, ongoing drought conditions in all of the Little Rocky Mountains were in (D2-Severe) conditions. On the third week of October, the western two thirds of the Little Rocky Mountains worsened to (D3-Extreme) drought, while the eastern third of the Little Rocky Mount…
Drought Drought
On the second week of September, all of the Little Rocky Mountains worsened to (D2-Severe) conditions. These conditions would remain the same through the end of the month.
High Wind High Wind
Between 3:44 PM and 4:34 PM, winds gusted over 58 mph at the Malta South US-191 DOT site (MTMAL). The peak wind gust at that site was 60 mph and occurred at 3:44 PM and 3:45 PM.
Drought Drought
To start July, ongoing drought conditions in the northwestern third of the Little Rocky Mountains was in (D2-Severe) conditions while the southeastern two thirds of the Little Rockies were in (D1-Moderate) drought. By the second week of July, all of the Little Rocky Mountains had…
High Wind High Wind
Intermittent wind speeds of at least 40 mph were common in the Little Rocky Mountains from early morning to the early evening hours. The peak wind gust of 68 mph was recorded at 10:32 AM at the BLM Zortman RAWS site (ALDM8).
Drought Drought
To start June, ongoing drought conditions in the northwestern third of the Little Rocky Mountains was at (D3-Extreme) drought conditions, while the southeastern two thirds of the Little Rockies were in (D2-Severe) drought. On the third week of June the northwestern third of the L…
Drought Drought
To start May, ongoing drought conditions in the northwestern third of the Little Rocky Mountains was at (D3-Extreme) drought conditions, while the southeastern two thirds of the Little Rockies were in (D2-Severe) drought. These conditions would remain the same through the end of …
Heavy Snow Heavy Snow
A trained spotter reported an estimated 12.0 inches of snowfall in Zortman. Times are estimated.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 13 | 0 |
| 2024 | 9 | 0 |
| 2023 | 14 | 0 |
| 2022 | 27 | 0 |
| 2021 | 18 | 0 |
| 2020 | 15 | 0 |
| 2019 | 15 | 0 |
| 2018 | 8 | 0 |
| 2017 | 24 | 0 |
| 2016 | 9 | 0 |
| 2015 | 8 | 0 |
| 2014 | 12 | 0 |
| 2013 | 4 | 0 |
| 2012 | 17 | 0 |
| 2011 | 8 | 0 |
| 2010 | 12 | 0 |
| 2009 | 5 | 0 |
| 2008 | 8 | 0 |
| 2007 | 4 | 0 |
| 2006 | 8 | 0 |
| 2005 | 8 | 0 |
| 2004 | 8 | 0 |
| 2003 | 6 | 0 |
| 2002 | 5 | 0 |