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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Rain

48°F

9°C

Humidity 76%
Wind Speed WSW 6 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 10 Apr 11:05 PM MDT
Extended Forecast for

31 Miles WNW Challis ID

  • Tonight

    Tonight: Rain and snow showers likely before 2am, then a chance of snow showers between 2am and 3am. Some thunder is also possible. Mostly cloudy, with a low around 34. South wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow before noon, then snow showers, mainly between noon and 4pm. Some thunder is also possible. High near 39. Southwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 39 °F

    Chance Snow
    then Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 30. West southwest wind 9 to 16 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 30 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 37. Southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow Likely
    then Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 28. Southwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Likely

  • Monday

    Monday: Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 31. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Showers

  • Monday Night

    Monday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Rain and snow showers likely before 2am, then a chance of snow showers between 2am and 3am. Some thunder is also possible. Mostly cloudy, with a low around 34. South wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A chance of snow before noon, then snow showers, mainly between noon and 4pm. Some thunder is also possible. High near 39. Southwest wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 30. West southwest wind 9 to 16 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Sunday
Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 37. Southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely. Mostly cloudy, with a low around 28. Southwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 31. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
A chance of snow after midnight. Mostly cloudy, with a low around 28.
Wednesday
Snow. Mostly cloudy, with a high near 31.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 25.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Friday
A chance of snow. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles WNW Challis ID
 44.76°N 114.76°W (Elev. 9058 ft)
Last Update:
2:00 pm MDT Apr 10, 2026
Forecast Valid:
11pm MDT Apr 10, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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