Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory in effect from December 29, 01:00 PM MST until January 1, 01:00 PM MST

Current conditions at

WEST FORK (WSFM8)

Lat: 45.81556°NLon: 114.25833°WElev: 4420.0ft.

26°F

-3°C

Humidity	79%
Wind Speed	WNW 2 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	01 Jan 06:14 AM MST

More Information:

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

Extended Forecast for

31 Miles W Darby MT

Air Stagnation Advisory until January 1, 01:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory until January 1, 01:00pm
NOW until 1:00pm Thu
Air Stagnation Advisory
New Year's Day
High: 41 °F
Patchy
Freezing Fog
then Slight
Chance Rain
Tonight
Low: 38 °F
Rain/Snow
Likely then
Rain
Friday
High: 44 °F
Rain
Friday Night
Low: 35 °F
Decreasing
Clouds
Saturday
High: 45 °F
Chance Rain
Saturday Night
Low: 38 °F
Rain Likely
Sunday
High: 45 °F
Rain Likely
Sunday Night
Low: 36 °F
Rain Likely

Detailed Forecast

New Year's Day

A slight chance of rain between 4pm and 5pm. Patchy freezing fog before 9am. Snow level 4100 feet rising to 5400 feet in the afternoon. Mostly cloudy, with a high near 41. Calm wind. Chance of precipitation is 20%.

Tonight

Rain likely, possibly mixed with snow before midnight, then rain. Snow level 4100 feet rising to 4800 feet after midnight. Low around 38. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain. High near 44. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Cloudy, then gradually becoming partly cloudy, with a low around 35. Light south wind.

Saturday

A 40 percent chance of rain after 11am. Partly sunny, with a high near 45. South southeast wind 3 to 5 mph.

Saturday Night

Rain likely, mainly after 11pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

Sunday

Rain likely. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

Sunday Night

Rain likely, mainly after 11pm. Mostly cloudy, with a low around 36.

Monday

Rain before 8am, then rain, possibly mixed with snow. Snow level 4800 feet. Mostly cloudy, with a high near 42.

Monday Night

A chance of rain and snow before 2am, then a chance of snow. Snow level 4800 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 33.

Tuesday

A chance of rain and snow. Mostly cloudy, with a high near 40.

Tuesday Night

A chance of rain and snow. Mostly cloudy, with a low around 30.

Wednesday

Rain and snow likely. Mostly cloudy, with a high near 39.