Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. 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	31%
Wind Speed	SSE 3 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Last update	18 May 07:00 PM MDT

More Information:

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

Extended Forecast for

7 Miles W Garrison MT

Tonight
Low: 29 °F
Partly Cloudy
then Frost
Tuesday
High: 61 °F
Frost then
Mostly Sunny
Tuesday Night
Low: 35 °F
Partly Cloudy
Wednesday
High: 61 °F
Mostly Sunny
then Chance
Showers
Wednesday Night
Low: 35 °F
Showers
Thursday
High: 59 °F
Chance
Rain/Snow
then Mostly
Sunny
Thursday Night
Low: 36 °F
Partly Cloudy
Friday
High: 67 °F
Mostly Sunny
Friday Night
Low: 38 °F
Partly Cloudy

Detailed Forecast

Tonight

Widespread frost after 2am. Otherwise, mostly clear, with a low around 29. Calm wind.

Tuesday

Widespread frost before 8am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 35. Northwest wind around 6 mph becoming calm in the evening.

Wednesday

A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 61. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 30%.

Wednesday Night

Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Low around 35. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of rain and snow before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 59. Chance of precipitation is 40%. Little or no snow accumulation expected.

Thursday Night

Partly cloudy, with a low around 36.

Friday

Mostly sunny, with a high near 67.

Friday Night

Partly cloudy, with a low around 38.

Saturday

Mostly sunny, with a high near 72.

Saturday Night

Partly cloudy, with a low around 42.

Sunday

Mostly sunny, with a high near 74.