Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Mostly Cloudy

70°F

21°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 05:20 PM MDT
Extended Forecast for

21 Miles NW Challis ID

Red Flag Warning June 20, 05:41pm until June 20, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning June 20, 05:41pm until June 20, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 61 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 42. West northwest wind 5 to 10 mph becoming light west southwest  after midnight.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. West wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 22 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Light west wind becoming northwest 5 to 10 mph in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 61. West wind around 10 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 42. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 65. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 40. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 22 mph.
Monday
Sunny, with a high near 65. Light west wind becoming northwest 5 to 10 mph in the morning.
Monday Night
Clear, with a low around 41.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 68.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NW Challis ID
 44.69°N 114.56°W (Elev. 7835 ft)
2:01 pm MDT Jun 20, 2026
5pm MDT Jun 20, 2026-6pm MDT Jun 27, 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