Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

46°F

8°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 28 Feb 12:20 PM MST
Extended Forecast for

31 Miles WNW Challis ID

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 35. West wind around 11 mph.

    High: 35 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South southwest wind 9 to 11 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow after 11am.  Mostly cloudy, with a high near 34. South southeast wind 7 to 9 mph becoming southwest in the afternoon.  New snow accumulation of less than one inch possible.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow.  Cloudy, with a low around 30. Southwest wind 6 to 9 mph.  New snow accumulation of around an inch possible.

    Low: 30 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly before 11am.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 33. West southwest wind 6 to 10 mph becoming north in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely
    and Patchy
    Fog

  • Monday Night

    Monday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 11pm.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow.  Cloudy, with a high near 30.

    High: 30 °F

    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 35. West wind around 11 mph.
Tonight
Mostly cloudy, with a low around 28. South southwest wind 9 to 11 mph.
Sunday
A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 34. South southeast wind 7 to 9 mph becoming southwest in the afternoon. New snow accumulation of less than one inch possible.
Sunday Night
A 50 percent chance of snow. Cloudy, with a low around 30. Southwest wind 6 to 9 mph. New snow accumulation of around an inch possible.
Monday
Snow likely, mainly before 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 33. West southwest wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 29.
Wednesday
Snow. Cloudy, with a high near 30.
Wednesday Night
Snow, mainly before 11pm. Cloudy, with a low around 22.
Thursday
A chance of snow. Mostly cloudy, with a high near 25.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Friday
A slight chance of snow. Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles WNW Challis ID
 44.76°N 114.76°W (Elev. 9058 ft)
11:21 am MST Feb 28, 2026
12pm MST Feb 28, 2026-6pm MST Mar 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database