Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Mostly Cloudy

64°F

18°C

Humidity 52%
Wind Speed SE 9 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 29 Sep 07:47 PM MDT
Extended Forecast for

Arco ID

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am.  Mostly cloudy, with a low around 47. East southeast wind around 9 mph becoming west northwest in the evening.  Chance of precipitation is 60%.

    Low: 47 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly between noon and 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 66. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South southwest wind 5 to 14 mph becoming west northwest after midnight. Winds could gust as high as 22 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. West northwest wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 43. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before noon.  Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 47. East southeast wind around 9 mph becoming west northwest in the evening. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers, mainly between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 66. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southwest wind 5 to 14 mph becoming west northwest after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 66. West northwest wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 43. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 64.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38.
Friday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 56.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 32.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Arco ID
 43.62°N 113.3°W (Elev. 5364 ft)
5:31 pm MDT Sep 29, 2025
8pm MDT Sep 29, 2025-6pm MDT Oct 6, 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