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.

62°F

17°C

Humidity	66%
Wind Speed	SW 1 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	03 Aug 09:45 AM MDT

More Information:

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

Extended Forecast for

Garrison MT

Today
High: 83 °F
Sunny
Tonight
Low: 48 °F
Partly Cloudy
Monday
High: 81 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 45 °F
Showers
Likely then
Slight Chance
Rain
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 47 °F
Partly Cloudy
Wednesday
High: 82 °F
Mostly Sunny
Wednesday Night
Low: 49 °F
Mostly Cloudy
Thursday
High: 77 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

Today

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

Tonight

Partly cloudy, with a low around 48. Northwest wind 5 to 7 mph becoming calm in the evening.

Monday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers likely and possibly a thunderstorm before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 45. West northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Sunny, with a high near 79. Light west southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

Tuesday Night

Partly cloudy, with a low around 47.

Wednesday

Mostly sunny, with a high near 82.

Wednesday Night

Mostly cloudy, with a low around 49.

Thursday

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

Thursday Night

A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 45.