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.

Rain

44°F

7°C

Humidity 95%
Wind Speed NW 3 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 29 Jun 02:56 AM MDT
Extended Forecast for

11 Miles S Salmon ID

Winter Storm Warning June 29, 03:05am until June 29, 09:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning June 29, 03:05am until June 29, 09:00am

    NOW until 9:00am Mon

    Winter Storm Warning

  • Overnight

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain, mainly before 2pm.  High near 56. West southwest wind 5 to 11 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain then
    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain between 1am and 2am.  Mostly cloudy, with a low around 47. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 69. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 69 °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 52. Southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Overnight
Rain. Low around 42. South southwest wind around 13 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 2pm. High near 56. West southwest wind 5 to 11 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 between 1am and 2am. Mostly cloudy, with a low around 47. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 69. Calm wind becoming west northwest 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 52. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Independence Day
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Salmon ID
 45.02°N 113.9°W (Elev. 4826 ft)
2:01 am MDT Jun 29, 2026
3am MDT Jun 29, 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