Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from December 15, 05:00 PM MST until December 16, 11:00 AM MST
High Wind Watch in effect from December 17, 08:00 AM MST until December 18, 12:00 AM MST

Current conditions at

Hays Site MT-66 MP 10.5 (MTHAY)

Lat: 47.91928°NLon: 108.72611°WElev: 3898.0ft.

48°F

9°C

Humidity	36%
Wind Speed	WNW 12 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	15 Dec 08:30 PM MST

More Information:

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

Extended Forecast for

5 Miles WSW Zortman MT

High Wind Watch December 17, 08:00am until December 18, 12:00am

High Wind Warning until December 16, 11:00am

Click here for hazard details and duration

High Wind Watch

High Wind Warning

High Wind Warning until December 16, 11:00am
NOW until 11:00am Tue
High Wind Warning
Tonight
Low: 37 °F
Partly Cloudy
and Very
Windy
Tuesday
High: 40 °F⇓
Sunny and
Windy then
Slight Chance
Rain
Tuesday Night
Low: 32 °F
Slight Chance
Rain/Snow
then Slight
Chance Rain
Wednesday
High: 41 °F
Chance
Rain/Snow and
Very Windy
Wednesday Night
Low: 12 °F
Slight Chance
Snow and Very
Windy
Thursday
High: 33 °F
Partly Sunny
Thursday Night
Low: 27 °F
Chance Snow
then Chance
Rain/Snow
Friday
High: 40 °F
Chance Rain
then Slight
Chance
Rain/Snow

Detailed Forecast

Tonight

Partly cloudy, with a low around 37. Very windy, with a west wind 31 to 40 mph, with gusts as high as 60 mph.

Tuesday

A 10 percent chance of rain after 5pm. Increasing clouds, with a temperature falling to around 34 by 5pm. Windy, with a west northwest wind 29 to 34 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 55 mph.

Tuesday Night

A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 32. West southwest wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

Wednesday

A chance of rain before 11am, then a slight chance of snow. Partly sunny, with a high near 41. Very windy, with a south southwest wind 21 to 26 mph becoming west 35 to 40 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Wednesday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 12. Very windy, with a northwest wind 30 to 40 mph decreasing to 20 to 30 mph after midnight. Winds could gust as high as 60 mph.

Thursday

Partly sunny, with a high near 33. South wind around 10 mph.

Thursday Night

A chance of snow before 2am, then a chance of rain. Mostly cloudy, with a low around 27. Southwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday

A chance of rain before 2pm, then a slight chance of snow. Partly sunny, with a high near 40. West wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

Friday Night

A 20 percent chance of snow. Partly cloudy, with a low around 15. West northwest wind around 14 mph, with gusts as high as 23 mph.

Saturday

Mostly sunny, with a high near 32. West wind 11 to 13 mph, with gusts as high as 22 mph.

Saturday Night

Partly cloudy, with a low around 18. West wind 11 to 14 mph, with gusts as high as 21 mph.

Sunday

Mostly sunny, with a high near 28.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 12.

Monday

A chance of snow. Partly sunny, with a high near 25.