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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Partly Cloudy

59°F

15°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Aug 06:50 AM MDT
Extended Forecast for

Ketchum ID

Red Flag Warning August 17, 12:00pm until August 17, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Light and variable wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 50. South southwest wind 5 to 7 mph becoming north in the evening.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. North wind 6 to 10 mph becoming south in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. South southwest wind 5 to 8 mph becoming north after midnight.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. North wind 6 to 10 mph becoming south in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

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

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Light and variable wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 50. South southwest wind 5 to 7 mph becoming north in the evening.
Monday
Sunny, with a high near 84. North wind 6 to 10 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 53. South southwest wind 5 to 8 mph becoming north after midnight.
Tuesday
Sunny, with a high near 89. North wind 6 to 10 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 88.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ketchum ID
 43.69°N 114.36°W (Elev. 6001 ft)
Last Update:
5:31 am MDT Aug 17, 2025
Forecast Valid:
8am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation