Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 28 Jun 09:35 PM MDT
Extended Forecast for

10 Miles S Salmon ID

Winter Storm Warning June 28, 09:52pm until June 29, 09:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning June 28, 09:52pm until June 29, 09:00am

    NOW until 9:00am Mon

    Winter Storm Warning

  • Tonight

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain, mainly before 4pm.  High near 55. Southwest wind 6 to 13 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain then
    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 8pm.  Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely between 9pm and midnight.  Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain, then a chance of showers and thunderstorms after 9am.  Partly sunny, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Rain. Low around 42. South southwest wind 9 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, mainly before 4pm. High near 55. Southwest wind 6 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely between 9pm and midnight. Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
A slight chance of rain, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 49.
Independence Day
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 83.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Salmon ID
 45.04°N 113.9°W (Elev. 4836 ft)
2:01 pm MDT Jun 28, 2026
9pm MDT Jun 28, 2026-6pm MDT Jul 5, 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