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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

79°F

26°C

Humidity 9%
Wind Speed S 11 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 20 Apr 04:05 PM MDT
Extended Forecast for

15 Miles NE Challis ID

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Breezy, with a light south southeast wind becoming south 18 to 23 mph in the morning. Winds could gust as high as 29 mph.

    High: 78 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. South southeast wind 6 to 16 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after noon. High near 55. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain likely. Snow level 6200 feet lowering to 5500 feet after midnight . Cloudy, with a low around 38. West wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 9am, then a chance of rain and snow. Snow level 5300 feet. Mostly cloudy, with a high near 52. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 52 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a chance of snow after midnight. Snow level 5600 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 29. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow after midnight. Partly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. South southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 78. Breezy, with a light south southeast wind becoming south 18 to 23 mph in the morning. Winds could gust as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 43. South southeast wind 6 to 16 mph, with gusts as high as 26 mph.
Wednesday
Rain likely, then showers and possibly a thunderstorm after noon. High near 55. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely. Snow level 6200 feet lowering to 5500 feet after midnight . Cloudy, with a low around 38. West wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain before 9am, then a chance of rain and snow. Snow level 5300 feet. Mostly cloudy, with a high near 52. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a chance of snow after midnight. Snow level 5600 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 29. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of snow. Partly sunny, with a high near 48.
Friday Night
A slight chance of snow after midnight. Partly cloudy, with a low around 27.
Saturday
A slight chance of snow before noon. Mostly sunny, with a high near 51.
Saturday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 60.
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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:
2:01 pm MDT Apr 20, 2026
Forecast Valid:
4pm MDT Apr 20, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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