Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

75°F

24°C

Humidity 31%
Wind Speed N 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 24 Aug 01:35 PM MDT
Extended Forecast for

31 Miles NW Challis ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. West wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 75. Southeast wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 53. West southwest wind 7 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 53. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. West wind 8 to 11 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 53. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Tuesday
A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. Southeast wind 5 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 53. West southwest wind 7 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles NW Challis ID
 44.76°N 114.73°W (Elev. 8094 ft)
12:06 pm MDT Aug 24, 2026
1pm MDT Aug 24, 2026-6pm MDT Aug 30, 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