Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

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

21°F

-6°C

Humidity	87%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	18°F (-8°C)
Visibility	NA
Last update	28 Jan 01:00 AM MST

More Information:

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

Extended Forecast for

Greenough MT

Overnight
Low: 15 °F
Patchy Fog
Wednesday
High: 36 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Wednesday Night
Low: 22 °F
Patchy Fog
Thursday
High: 39 °F
Patchy Fog
then Mostly
Cloudy
Thursday Night
Low: 25 °F
Patchy Fog
Friday
High: 42 °F
Slight Chance
Rain/Snow and
Areas Fog
Friday Night
Low: 30 °F
Patchy Fog
Saturday
High: 45 °F
Patchy Fog
then Partly
Sunny
Saturday Night
Low: 23 °F
Patchy Fog

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 15. Calm wind.

Wednesday

A slight chance of snow after 2pm, mixing with rain after 4pm. Mostly cloudy, with a high near 36. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

Wednesday Night

Patchy fog before 11pm, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 22. West southwest wind around 6 mph becoming calm in the evening.

Thursday

Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 39. Calm wind.

Thursday Night

Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 25. Calm wind.

Friday

A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Areas of fog before noon. Snow level 4300 feet rising to 5400 feet in the afternoon. Otherwise, mostly cloudy, with a high near 42. Chance of precipitation is 20%.

Friday Night

Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 30.

Saturday

Patchy fog before 10am. Otherwise, partly sunny, with a high near 45.

Saturday Night

Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 23.

Sunday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 44.

Sunday Night

Patchy fog. Otherwise, mostly cloudy, with a low around 25.

Monday

A slight chance of rain. Patchy fog. Snow level 4700 feet. Otherwise, partly sunny, with a high near 42.