Frost Advisory issued May 17 at 5:01PM MDT until May 18 at 8:00AM MDT by NWS Missoula MT
Issue date: 2026-05-17T23:01+00:00
* WHAT...Temperatures between 25 and 34 degrees will result in frost formation. * WHERE...Lower Clark Fork Region. * WHEN...From midnight tonight to 8 AM MDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Temperature ranges include:28 to 32 degrees in Thompson Falls, 30 to 34 degrees in Plains, 33 to 37 degrees in Noxon, 25 to 28 degrees in Haugan, 29 to 32 degrees in St. Regis, and 29 to 34 degrees in Alberton.
Frost Advisory issued May 17 at 5:01PM MDT until May 18 at 9:00AM MDT by NWS Missoula MT
Issue date: 2026-05-17T23:01+00:00
* 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.
