Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

46°F

8°C

Humidity	96%
Wind Speed	E 1 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	14 Jun 06:45 AM MDT

More Information:

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

Extended Forecast for

Garrison MT

Today
High: 77 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 44 °F
Partly Cloudy
Sunday
High: 78 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 46 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 75 °F
Mostly Cloudy
then Chance
T-storms
Monday Night
Low: 45 °F
Chance
Showers
Tuesday
High: 74 °F
Slight Chance
Rain then
Slight Chance
T-storms
Tuesday Night
Low: 42 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Tonight

Partly cloudy, with a low around 44. Northwest wind 5 to 7 mph becoming calm in the evening.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.

Sunday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Mostly cloudy, with a low around 46. North northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

Monday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Calm wind becoming north around 6 mph in the afternoon.

Monday Night

A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 42.

Wednesday

Sunny, with a high near 80.

Wednesday Night

Mostly clear, with a low around 43.

Juneteenth

Sunny, with a high near 83.

Thursday Night

Mostly clear, with a low around 44.

Friday

A slight chance of rain. Sunny, with a high near 79.