Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

60°F

16°C

Humidity 11%
Wind Speed S 14 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 18 Apr 04:56 PM MDT
Extended Forecast for

22 Miles NW Challis ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 25. South wind 3 to 8 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. South wind 5 to 7 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Southwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain and snow likely before noon, then rain and snow showers between noon and 3pm, then snow showers after 3pm. Some thunder is also possible.  Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow.  Cloudy, with a low around 29.

    Low: 29 °F

    Snow

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 25. South wind 3 to 8 mph.
Sunday
Sunny, with a high near 54. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 33. South wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 59. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 37. Southwest wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 34.
Wednesday
Rain and snow likely before noon, then rain and snow showers between noon and 3pm, then snow showers after 3pm. Some thunder is also possible. Cloudy, with a high near 41.
Wednesday Night
Snow. Cloudy, with a low around 29.
Thursday
Snow likely. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Partly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 23.
Saturday
A slight chance of snow. Mostly sunny, with a high near 42.
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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 Apr 18, 2026
5pm MDT Apr 18, 2026-6pm MDT Apr 25, 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