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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

63°F

17°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 17 Mar 03:56 PM MDT
Extended Forecast for

22 Miles NW Challis ID

  • Tonight

    Tonight: Mostly clear, with a low around 35. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. West southwest wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. West southwest wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain. Snow level 9300 feet lowering to 8300 feet in the afternoon . Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 35. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 53. West southwest wind 9 to 15 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 37. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 54. West southwest wind 8 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 39. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A chance of rain. Snow level 9300 feet lowering to 8300 feet in the afternoon . Partly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 27.
Monday
A slight chance of snow. Partly sunny, with a high near 47.
Monday Night
A chance of snow. Mostly cloudy, with a low around 32.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Challis ID
 44.69°N 114.59°W (Elev. 7575 ft)
Last Update:
2:11 pm MDT Mar 17, 2026
Forecast Valid:
4pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation