Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Partly Cloudy

45°F

7°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 08 Dec 03:47 PM MST
Extended Forecast for

Arco ID

  • Tonight

    Tonight: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 29. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 32 mph.

    Low: 29 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before 11am, then a slight chance of rain after 1pm.  Partly sunny, with a high near 48. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 31. West southwest wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 52. West southwest wind 15 to 21 mph, with gusts as high as 30 mph.

    High: 52 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. West southwest wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 29. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 32 mph.
Tuesday
A slight chance of rain before 11am, then a slight chance of rain after 1pm. Partly sunny, with a high near 48. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31. West southwest wind 15 to 18 mph, with gusts as high as 26 mph.
Wednesday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 52. West southwest wind 15 to 21 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 33. West southwest wind 15 to 18 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 24.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 10%.
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ABOUT THIS FORECAST

 
Point Forecast:
Arco ID
 43.64°N 113.3°W (Elev. 6066 ft)
1:04 pm MST Dec 8, 2025
4pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

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