National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Hazardous Weather Conditions

Current conditions at

Wallace Viaduct (ITD90)

Lat: 47.47432°NLon: 115.90816°WElev: 2792.0ft.

NA

37°F

3°C

Humidity 93%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility 1.24 mi
Last update 22 Feb 04:45 PM PST
Extended Forecast for

4 Miles NNW Mullan ID

Winter Weather Advisory February 23, 12:00pm until February 24, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Snow level 5100 feet. Partly sunny, with a high near 39. South wind around 5 mph.

    High: 39 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 1am. Snow level 5100 feet. Steady temperature around 35. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Snow, possibly mixed with rain. The snow could be heavy at times. Snow level 5000 feet. Temperature falling to around 32 by noon. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F⇓

    Rain/Snow

  • Monday Night

    Monday Night: Snow, possibly mixed with rain, becoming all snow after 1am. The snow could be heavy at times. Low around 30. West wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 30 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow before 1pm, then snow, possibly mixed with rain. High near 33. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 27. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Snow. High near 31. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Snow level 5100 feet. Partly sunny, with a high near 39. South wind around 5 mph.
Tonight
Rain, mainly after 1am. Snow level 5100 feet. Steady temperature around 35. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Snow, possibly mixed with rain. The snow could be heavy at times. Snow level 5000 feet. Temperature falling to around 32 by noon. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Snow, possibly mixed with rain, becoming all snow after 1am. The snow could be heavy at times. Low around 30. West wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Tuesday
Snow before 1pm, then snow, possibly mixed with rain. High near 33. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 27. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. High near 31. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 34.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28.
Friday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 31.
Saturday Night
A 30 percent chance of snow. Partly cloudy, with a low around 21.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Mullan ID
 47.52°N 115.82°W (Elev. 3809 ft)
Last Update:
3:12 pm PST Feb 22, 2026
Forecast Valid:
5pm PST Feb 22, 2026-6pm PST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation