Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

51°F

11°C

Humidity	NA
Wind Speed	S 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

Garrison MT

Today
High: 78 °F
Slight Chance
Rain then
Chance
T-storms
Tonight
Low: 46 °F
Mostly Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 47 °F
Partly Cloudy
Monday
High: 82 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 45 °F
Chance
T-storms then
Slight Chance
Rain
Tuesday
High: 77 °F
Mostly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 45 °F
Partly Cloudy
Wednesday
High: 83 °F
Sunny

Detailed Forecast

Today

A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

Tonight

Mostly clear, with a low around 46. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

Sunday

Sunny, with a high near 83. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.

Monday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.

Tuesday Night

Partly cloudy, with a low around 45.

Wednesday

Sunny, with a high near 83.

Wednesday Night

Partly cloudy, with a low around 48.

Thursday

Partly sunny, with a high near 81.

Thursday Night

A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 48.