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Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. 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 38%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Aug 12:15 PM MDT
Extended Forecast for

29 Miles NW Challis ID

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68. Southwest wind around 14 mph, with gusts as high as 25 mph.

    High: 68 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. South southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. West southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68. Southwest wind around 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 52. Southwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 74. South southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 52. West southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 70. West wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 69.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
29 Miles NW Challis ID
 44.76°N 114.7°W (Elev. 8689 ft)
Last Update:
3:30 am MDT Aug 18, 2025
Forecast Valid:
12pm MDT Aug 18, 2025-6pm MDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation