Lake Effect Snow Along Eastern Great Lakes; Critical Fire Weather in Texas

As a potent winter storm moves off the coast of New England, heavy snow will be possible in its wake downwind of the eastern Great Lakes through Monday night and into Tuesday. A quick-hitting winter storm will bring strong winds and snow to the northern Plains and Upper Great Lakes Tuesday. Strong winds and dry conditions will result in critical fire weather conditions in the southern Plains. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from January 18, 05:00 AM MST until January 19, 05:00 AM MST

En Español

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901ft.

unknown precip

-2°C

28°F

Humidity	83%
Wind Speed	SW 3 MPH
Barometer	NA
Dewpoint	-5°C (23°F)
Visibility	NA
Last update	17 Jan 10:00 PM MST

More Information:

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

Extended Forecast for

Potomac MT

Winter Weather Advisory January 18, 05:00am until January 19, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight

Slight Chance
Wintry Mix
then Slight
Chance Snow
Low: -3 °C
Tuesday

Rain/Snow
Likely
High: 3 °C
Tuesday
Night

Snow Likely
Low: -7 °C
Wednesday

Slight Chance
Snow then
Mostly Cloudy
High: 1 °C
Wednesday
Night

Mostly Cloudy
Low: -5 °C
Thursday

Chance Snow
then Chance
Rain/Snow
High: 4 °C
Thursday
Night

Rain/Snow
Likely
Low: -2 °C
Friday

Chance Snow
then Mostly
Cloudy
High: 3 °C
Friday
Night

Mostly Cloudy
Low: -7 °C

Detailed Forecast

Tonight

A slight chance of rain, snow, and freezing rain before 11pm, then a slight chance of snow. Mostly cloudy, with a low around -3. Calm wind. Chance of precipitation is 20%.

Tuesday

Snow likely before 11am, then rain and snow likely between 11am and 4pm, then snow likely after 4pm. Mostly cloudy, with a high near 3. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than one centimeter possible.

Tuesday Night

Snow likely, mainly before 11pm. Snow level 2200 meters lowering to 1100 meters after midnight . Mostly cloudy, with a low around -7. Calm wind. Chance of precipitation is 60%. New snow accumulation of 1 to 2 centimeters possible.

Wednesday

A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 1. Calm wind.

Wednesday Night

Mostly cloudy, with a low around -5. Calm wind.

Thursday

A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 4. Chance of precipitation is 50%. New snow accumulation of less than a half centimeter possible.

Thursday Night

Rain likely before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around -2. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

A chance of snow before 11am. Mostly cloudy, with a high near 3.

Friday Night

Mostly cloudy, with a low around -7.

Saturday

Mostly sunny, with a high near 2.

Saturday Night

Partly cloudy, with a low around -8.

Sunday

Mostly sunny, with a high near 3.

Sunday Night

Partly cloudy, with a low around -7.