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

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Clear

48°F

9°C

Humidity 34%
Wind Speed N 11 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 02 Nov 05:05 PM MST
Extended Forecast for

15 Miles NE Challis ID

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 28. North wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 62 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 37. South wind 7 to 10 mph.

    Low: 37 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 55. West southwest wind around 8 mph.

    High: 55 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. South wind 6 to 9 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: A slight chance of rain before 11am. Partly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 28. North wind around 6 mph becoming calm in the evening.
Monday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 37. South wind 7 to 10 mph.
Tuesday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 55. West southwest wind around 8 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind 6 to 9 mph.
Wednesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 60.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A slight chance of rain before 11am. Partly sunny, with a high near 51.
Thursday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 36.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 51.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Challis ID
 44.7°N 114.05°W (Elev. 4800 ft)
Last Update:
1:02 pm MST Nov 2, 2025
Forecast Valid:
5pm MST Nov 2, 2025-6pm MST Nov 9, 2025
 
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