Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

57°F

14°C

Humidity 50%
Wind Speed W 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Jun 06:35 AM MDT
Extended Forecast for

15 Miles NNW Challis ID

  • Today

    Today: Sunny, with a high near 62. West northwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. Breezy, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

    Low: 37 °F

    Clear and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. West northwest wind 5 to 15 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 69. West wind 5 to 10 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 59. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. West northwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Clear, with a low around 37. Breezy, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Thursday
Sunny, with a high near 66. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 45. West northwest wind 5 to 15 mph, with gusts as high as 22 mph.
Juneteenth
Sunny, with a high near 69. West wind 5 to 10 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 50.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Challis ID
 44.69°N 114.38°W (Elev. 8688 ft)
2:00 am MDT Jun 17, 2026
6am MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database