Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 24, 11:00 PM MST until December 25, 11:00 AM MST

Current conditions at

Glasgow, Glasgow International Airport (KGGW)

Lat: 48.21389°NLon: 106.62139°WElev: 2293.0ft.

Partly Cloudy

18°F

-8°C

Humidity	84%
Wind Speed	E 21 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	1°F (-17°C)
Last update	24 Dec 06:53 PM MST

More Information:

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

Extended Forecast for

21 Miles SSE Opheim MT

Winter Weather Advisory December 24, 11:00pm until December 25, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 12 °F
Slight Chance
Freezing Rain
and Areas
Freezing Fog
Christmas Day
High: 27 °F
Slight Chance
Freezing Rain
and Areas
Freezing Fog
Thursday Night
Low: 19 °F
Mostly Cloudy
Friday
High: 32 °F
Slight Chance
Rain/Freezing
Rain
Friday Night
Low: 9 °F
Chance Wintry
Mix then
Chance Snow
Saturday
High: 22 °F
Chance Snow
and Blustery
Saturday Night
Low: -14 °F
Mostly Cloudy
and Blustery
then Mostly
Cloudy
Sunday
High: 0 °F
Cold
Sunday Night
Low: -8 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of freezing rain before 2am, then a slight chance of freezing rain after 4am. Patchy fog before 9pm. Areas of freezing fog after 9pm. Otherwise, cloudy, with a low around 12. Wind chill values between zero and 5. East wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Christmas Day

A slight chance of freezing rain before 7am. Patchy fog between 9am and 11am. Areas of freezing fog before 9am. Otherwise, partly sunny, with a high near 27. East wind around 7 mph becoming west in the afternoon. Chance of precipitation is 10%.

Thursday Night

Mostly cloudy, with a low around 19. Southwest wind around 6 mph.

Friday

A slight chance of freezing rain before 1pm, then a slight chance of rain between 1pm and 3pm, then a slight chance of freezing rain after 3pm. Partly sunny, with a high near 32. Southwest wind around 8 mph. Chance of precipitation is 20%.

Friday Night

A chance of freezing rain before 11pm, then a chance of snow. Mostly cloudy, with a low around 9. South wind 8 to 11 mph becoming west southwest in the evening. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday

A 50 percent chance of snow. Mostly cloudy, with a high near 22. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Mostly cloudy, with a low around -14. Blustery, with a west northwest wind 18 to 22 mph, with gusts as high as 30 mph.

Sunday

Sunny and cold, with a high near 0. Northwest wind 7 to 15 mph, with gusts as high as 21 mph.

Sunday Night

Partly cloudy, with a low around -8. South southwest wind around 6 mph.

Monday

Partly sunny, with a high near 23. West wind 8 to 11 mph, with gusts as high as 18 mph.

Monday Night

Mostly cloudy, with a low around 13. West northwest wind 10 to 14 mph, with gusts as high as 20 mph.

Tuesday

A chance of flurries. Partly sunny, with a high near 29.