Frost Advisory

Locations Affected

Missoula, MT ∙ Fortine, MT ∙ Old Agency, MT ∙ Ninepipe National Wildlife Refuge, MT ∙ Noxon, MT ∙ White Pine, MT ∙ Stryker, MT ∙ Lakeside, MT ∙ Missoula International Airport, MT ∙ Snider, MT

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Missoula MT 501 PM MDT Sun May 17 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 9 AM MDT MONDAY... * WHAT...Temperatures as low as 28 degrees will result in frost formation. * WHERE...Flathead/Mission Valleys and Missoula/Bitterroot Valleys. * WHEN...From 8 PM this evening to 9 AM MDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Low-lying areas of the Bitterroot Valley could fall between 24 and 28 degrees. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.

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