Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

54°F

12°C

Humidity	45%
Wind Speed	ESE 0 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	12 Aug 08:30 AM MDT

More Information:

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

Extended Forecast for

Garrison MT

Today
High: 82 °F
Areas Smoke
then Slight
Chance
T-storms
Tonight
Low: 44 °F
Chance Rain
Thursday
High: 74 °F
Partly Sunny
then Showers
Thursday Night
Low: 43 °F
Showers
Friday
High: 71 °F
Chance Rain
then Showers
Friday Night
Low: 41 °F
Showers
Likely then
Patchy Fog
Saturday
High: 76 °F
Patchy Fog
then Chance
T-storms
Saturday Night
Low: 43 °F
Chance
T-storms then
Slight Chance
Rain
Sunday
High: 80 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Sunny, with a high near 82. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

Tonight

A chance of rain and thunderstorms. Patchy smoke before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. East northeast wind 5 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Patchy smoke after 1pm. High near 74. East northeast wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Patchy smoke before 7pm. Low around 43. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of rain, then showers and possibly a thunderstorm after noon. High near 71. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 9pm, then rain likely between 9pm and midnight. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 41. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 50 percent chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76.

Saturday Night

A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 43.

Sunday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

Sunday Night

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

Monday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 81.

Monday Night

A chance of rain and thunderstorms. Mostly cloudy, with a low around 45.