Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

46°F

8°C

Humidity 36%
Wind Speed NW 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 May 10:47 PM MDT
Extended Forecast for

Arco ID

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North wind 5 to 8 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 66. Light and variable wind becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 66 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after midnight.  Cloudy, with a low around 37. West wind 6 to 14 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.

    Low: 37 °F

    Cloudy then
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before noon.  Partly sunny, with a high near 64. North wind 7 to 10 mph.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. North wind 5 to 11 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. North wind 5 to 8 mph.
Wednesday
Increasing clouds, with a high near 66. Light and variable wind becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A 50 percent chance of rain after midnight. Cloudy, with a low around 37. West wind 6 to 14 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 64. North wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 36. North wind 5 to 11 mph.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 82. Breezy.
Sunday Night
Mostly clear, with a low around 44. Breezy.
Memorial Day
Sunny, with a high near 83. Windy.
Monday Night
Partly cloudy, with a low around 43. Breezy.
Tuesday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Arco ID
 43.62°N 113.3°W (Elev. 5364 ft)
11:31 pm MDT May 19, 2026
11pm MDT May 19, 2026-6pm MDT May 26, 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