Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

57°F

14°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Oct 11:50 AM MDT
Extended Forecast for

Arco ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. South southeast wind 3 to 8 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. South southeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. East wind around 5 mph becoming north after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. North wind 5 to 7 mph becoming southeast in the afternoon.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight.  Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Rain before noon, then showers likely and possibly a thunderstorm after noon.  High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 61. South southeast wind 3 to 8 mph.
Tonight
Mostly clear, with a low around 36. South southeast wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 39. East wind around 5 mph becoming north after midnight.
Tuesday
Partly sunny, with a high near 60. North wind 5 to 7 mph becoming southeast in the afternoon.
Tuesday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
A 40 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 42.
Thursday
Rain before noon, then showers likely and possibly a thunderstorm after noon. High near 58. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 39. Chance of precipitation is 80%.
Friday
Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Arco ID
 43.64°N 113.3°W (Elev. 6066 ft)
12:30 pm MDT Oct 18, 2026
12pm MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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Additional Resources

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