Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Partly Cloudy

70°F

21°C

Humidity 46%
Wind Speed SSW 10 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 08:35 PM MDT
Extended Forecast for

26 Miles SSW Shoup ID

Red Flag Warning June 20, 08:47pm until June 20, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning June 20, 08:47pm until June 20, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67. Light west wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northwest wind 6 to 11 mph becoming light north northwest  after midnight. Winds could gust as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. Northwest wind 6 to 11 mph becoming light north  after midnight. Winds could gust as high as 18 mph.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 67. Light west wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind 6 to 11 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 66. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Monday Night
Clear, with a low around 43. Northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 70.
Friday Night
A slight chance of rain and thunderstorms. Partly cloudy, with a low around 47.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
26 Miles SSW Shoup ID
 45.01°N 114.38°W (Elev. 7287 ft)
2:01 pm MDT Jun 20, 2026
8pm 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