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

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

30°F

-1°C

Humidity	91%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	19 May 04:00 AM MDT

More Information:

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

Extended Forecast for

10 Miles SSE Greenough MT

Today
High: 56 °F
Frost then
Slight Chance
Rain/Snow
Tonight
Low: 35 °F
Mostly Cloudy
Wednesday
High: 55 °F
Partly Sunny
then Showers
Wednesday Night
Low: 34 °F
Showers then
Rain/Snow
Likely
Thursday
High: 58 °F
Mostly Sunny
Thursday Night
Low: 38 °F
Partly Cloudy
Friday
High: 64 °F
Mostly Sunny
Friday Night
Low: 40 °F
Partly Cloudy
Saturday
High: 70 °F
Sunny

Detailed Forecast

Today

A slight chance of rain and snow showers between noon and 1pm, then a slight chance of rain showers after 1pm. Some thunder is also possible. Widespread frost before 8am. Snow level rising to 7600 feet in the afternoon. Otherwise, partly sunny, with a high near 56. West wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

Tonight

Mostly cloudy, with a low around 35. West northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 18 mph.

Wednesday

A chance of rain, then showers and possibly a thunderstorm after 3pm. Snow level 6400 feet rising to 7500 feet in the afternoon. High near 55. West wind 3 to 8 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Rain before 3am, then rain and snow likely. Some thunder is also possible. Snow level 7700 feet lowering to 6400 feet after midnight . Low around 34. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday

Mostly sunny, with a high near 58. Calm wind becoming northwest around 5 mph.

Thursday Night

Partly cloudy, with a low around 38.

Friday

Mostly sunny, with a high near 64.

Friday Night

Partly cloudy, with a low around 40.

Saturday

Sunny, with a high near 70.

Saturday Night

Partly cloudy, with a low around 42.