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

43°F

6°C

Humidity 38%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 18 Apr 11:20 AM MDT
Extended Forecast for

22 Miles NW Challis ID

  • Today

    Today: Partly sunny, with a high near 43. Southwest wind 5 to 9 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

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

    Low: 25 °F

    Mostly Clear

  • Sunday

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

    High: 54 °F

    Mostly 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 58. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain before 3am, then a chance of rain and snow.  Snow level 9700 feet lowering to 8500 feet after midnight . Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely before noon, then snow showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible.  Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 43. Southwest wind 5 to 9 mph.
Tonight
Mostly clear, with a low around 25. South wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 54. Calm wind becoming south 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 58. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Sunny, with a high near 59.
Tuesday Night
A chance of rain before 3am, then a chance of rain and snow. Snow level 9700 feet lowering to 8500 feet after midnight . Partly cloudy, with a low around 34.
Wednesday
Rain and snow likely before noon, then snow showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 43.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 28.
Thursday
Snow likely. Mostly cloudy, with a high near 39.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Partly sunny, with a high near 41.
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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 am MDT Apr 18, 2026
11am MDT Apr 18, 2026-6pm MDT Apr 24, 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