Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

25°F

-4°C

Humidity	89%
Wind Speed	ENE 0 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Last update	03 Nov 03:15 AM MST

More Information:

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

Extended Forecast for

Greenough MT

Overnight
Low: 20 °F
Frost and
Patchy Fog
Monday
High: 45 °F
Patchy Fog
then Chance
Rain
Monday Night
Low: 30 °F
Rain Likely
and Patchy
Fog then Rain
and Patchy
Fog
Tuesday
High: 47 °F
Rain/Snow and
Patchy Fog
then Chance
Rain
Tuesday Night
Low: 28 °F
Slight Chance
Rain/Snow and
Patchy Fog
Wednesday
High: 53 °F
Chance
Rain/Snow and
Patchy Fog
then Chance
Rain
Wednesday Night
Low: 32 °F
Rain
Thursday
High: 46 °F
Rain Likely
Thursday Night
Low: 28 °F
Rain/Snow

Detailed Forecast

Overnight

Patchy fog. Widespread frost. Otherwise, mostly cloudy, with a low around 20. Calm wind.

Monday

A 40 percent chance of rain after 4pm. Patchy fog before 8am. Snow level rising to 6000 feet in the afternoon. Otherwise, cloudy, with a high near 45. Calm wind.

Monday Night

Rain, mainly before 4am. Patchy fog after 10pm. Low around 30. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday

Rain and snow, becoming all rain after 8am. Patchy fog before 10am. High near 47. Light west southwest wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday Night

A slight chance of rain and snow after 11pm. Patchy fog after 10pm. Widespread frost between 8pm and 2am. Otherwise, mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.

Wednesday

A slight chance of rain and snow before 8am, then a chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 53. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday Night

Rain. Low around 32. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Rain likely, mainly before 11am. Mostly cloudy, with a high near 46.

Thursday Night

Snow, possibly mixed with rain, mainly after 5am. Mostly cloudy, with a low around 28.

Friday

Rain and snow, becoming all rain after 8am. Cloudy, with a high near 46.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 26.

Saturday

A slight chance of rain and snow. Snow level 4700 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 45.