Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Mostly Cloudy

80°F

27°C

Humidity 28%
Wind Speed N 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Aug 02:56 PM MDT
Extended Forecast for

16 Miles WSW Salmon ID

Red Flag Warning until August 16, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 16, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Widespread haze after 10pm. Mostly cloudy, with a low around 53. West wind 8 to 13 mph becoming light and variable  in the evening.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Haze

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Widespread haze before 9am. Partly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 80 °F

    Haze then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. West southwest wind around 13 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Widespread haze after 10pm. Mostly cloudy, with a low around 53. West wind 8 to 13 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Widespread haze before 9am. Partly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 85. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW Salmon ID
 45.11°N 114.22°W (Elev. 4090 ft)
2:30 pm MDT Aug 16, 2025
3pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
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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