Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Partly Cloudy

50°F

10°C

Humidity 49%
Wind Speed N 14 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Mar 09:05 PM MDT
Extended Forecast for

22 Miles NW Challis ID

  • Tonight

    Tonight: Partly cloudy, with a low around 24. West southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 45. Calm wind becoming west around 6 mph in the afternoon.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. South southwest wind 3 to 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. Light south southwest wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow before noon, then a chance of rain.  Snow level 8000 feet rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 47. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain and snow before 9am, then a chance of rain.  Snow level 8100 feet. Partly sunny, with a high near 47. Breezy.

    High: 47 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. West southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 45. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 30. South southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 49. Light south southwest wind becoming west southwest 5 to 9 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 36. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of rain and snow before noon, then a chance of rain. Snow level 8000 feet rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 47. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow before 9am, then a chance of rain. Snow level 8100 feet. Partly sunny, with a high near 47. Breezy.
Wednesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 ft)
2:01 pm MDT Mar 21, 2026
9pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
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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