Frost/Freeze in Montana

Events

49

Deaths

0

Injuries

6

Damage

$60,000

• Winter Weather and Frost and Freeze in Montana, May 14 to 19, 20266 injured · $10,000 · 6 eventsAn unseasonably cold upper-level trough, originally an Aleutian Low/Gulf of Alaska low, was dislodged and sagged south over the Pacific Northwest and Northern Rockies.
• Winter Weather and Strong Wind in Montana, September 9 to 12, 2014$51,000 · 4 eventsA very cold air mass from Canada settled over western Montana and brought record cold temperatures, hard frost with crop damage and snowfall along the Continental Divide.
• Frost and Freeze in Montana, September 13, 201611 eventsA deep trough stretched from Saskatchewan to central California, allowing for ridging, clearing skies, and light winds over the Northern Rockies. All this occurred with an unseasonably cold air mass.
• Heavy Snow and High Wind in Montana, November 9 to 10, 201959 kt wind · 9 eventsA Canadian cold front moves southward. The associated northerly wind shift and cold air mass behind the front cause temperatures to drop significantly. Rain, then snow and freezing precipitation/fog expected, along with icy surfaces and reduced visibility.
• Frost and Freeze in Montana, September 8, 20207 eventsAn unseasonably cold airmass dropping south out of Alberta led to an early fall freeze.
• Frost and Freeze in Montana, September 30, 20246 eventsWidespread freezing temperatures occurred for the first time during the fall season.
• Frost and Freeze in Montana, June 7 to 8, 20264 eventsA cool upper level trough moved across the region, bringing showery weather and snow levels dropping down to five thousand feet.
• Frost and Freeze in Montana, April 25 to 26, 20264 eventsAn unseasonably cold airmass, originating from central Canada, brought record and near-record cold temperatures to the region. A deep and cold upper low pinched off and became centered over southern Saskatchewan and Montana during the period.
• Frost and Freeze in Montana, October 12, 20163 eventsAfter the passage of an Arctic air mass on Monday, clearing skies and light winds led to the first hard freeze of the season for many areas.
• Frost and Freeze in Montana, November 20 to 21, 20183 eventsLow stratus and freezing fog developed during the late evening hours of November 20th throughout the valleys of Northwest Montana, and lasted into the morning hours of November 21st.
• Frost and Freeze in Montana, September 23, 20253 eventsHigh pressure brought clear skies and dry air, and this allowed overnight temperatures to drop near freezing.
• Frost and Freeze in Montana, May 19, 19971 eventA hard late season freeze took a toll on sugar beets. Temperatures dipped down to 20 to 25 degrees. An early estimate on the number of acres lost ranged between 3500 to 8000 acres.
• Frost and Freeze in Montana, September 15, 20171 eventA calm and clear night brought temperatures down into the middle to upper 20s across northwest Montana which contributed to the first damaging freeze.
• Frost and Freeze in Montana, September 24, 20171 eventTemperatures dipped to below freezing across western Montana.
• Frost and Freeze in Montana, September 23, 20171 eventTemperatures dipped below freezing in the Missoula and Bitterroot Valleys for the first time during Fall 2017.
• Frost and Freeze in Montana, September 17, 20171 eventAn unseasonably cold air-mass combined with clear conditions created freezing conditions in the Flathead Valley.

Frost/Freeze everywhereEvery kind of event in Montana

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.