Active Weather Pattern for the West into the Plains

A strong Pacific storm continues to track across the Great Basin. Heavy snow is expected across the higher elevations and heavy rain across lower terrain. Strong gusty winds will make for additional hazards for travelers. These winds will bring increasing fire weather concerns for the southern High Plains. Then we will closely watch for severe thunderstorms across the central Plains on Monday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

unknown precip

49°F

9°C

Humidity	49%
Wind Speed	E 7 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	46°F (8°C)
Last update	05 May 07:45 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

12 Miles SSE Helmville MT

Today
High: 53 °F
Slight Chance
Rain then
Showers
Tonight
Low: 30 °F
Rain/Snow
then Snow
Showers and
Breezy
Monday
High: 38 °F
Windy. Snow
Likely then
Chance Snow
Monday Night
Low: 26 °F
Chance Snow
and Windy
Tuesday
High: 34 °F
Chance Snow
and Windy
Tuesday Night
Low: 29 °F
Snow and
Windy
Wednesday
High: 37 °F
Snow Likely
and Breezy
Wednesday Night
Low: 31 °F
Chance Snow
Thursday
High: 43 °F
Chance Snow
then Chance
Rain/Snow

Detailed Forecast

Today

A slight chance of rain, then showers and possibly a thunderstorm after noon. High near 53. Southeast wind 11 to 18 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain before 11pm, then rain and snow between 11pm and midnight, then snow after midnight. Some thunder is also possible. Snow level 8400 feet lowering to 6600 feet after midnight . Low around 30. Breezy, with a west wind 13 to 18 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Monday

Snow likely, mainly before noon. Cloudy, with a high near 38. Windy, with a west wind around 30 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Monday Night

A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Windy, with a west wind around 30 mph, with gusts as high as 41 mph. Little or no snow accumulation expected.

Tuesday

A 50 percent chance of snow. Mostly cloudy, with a high near 34. Windy, with a west wind 30 to 36 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow. Low around 29. Windy. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Wednesday

Snow likely. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 31.

Thursday

A chance of snow before 3pm, then a chance of rain. Mostly cloudy, with a high near 43.

Thursday Night

Widespread frost after 3am. Otherwise, partly cloudy, with a low around 30.

Friday

Widespread frost. Otherwise, mostly sunny, with a high near 53.