National Weather Service United States Department of Commerce
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Last Map Update: Thu, Oct 22, 2026 at 3:04:20 pm MDT

A very warm, dry, and windy day expected Friday over portions of northern WY/SE MT/W SD will produce critical fire weather conditions. A strong cold front will arrive Friday evening with winds shifting to the northwest and remaining strong into the overnight hours. Please be extra vigilant with any activities that could spark a wildfire.
A storm system is taking shape and may bring precipitation Friday through Saturday morning. Greatest precipitation totals west of Billings. Some uncertainty still remains, but those with outdoor plans during this period should be prepared for unsettled fall weather.
Windy conditions can be expected Friday into Friday night as a cold front crosses the region. Wind gusts of 30 to 50 mph will be common, with locally stronger winds near the Bighorn Mountain foothills.
Rain on Friday will transition to snow along portions of the foothills Friday evening. Accumulations are possible above 6,000 feet in the mountains with light accumulations into the foothills.

 

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