National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Mostly Cloudy

39°F

4°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 07 Dec 11:35 AM MST
Extended Forecast for

35 Miles WSW Vale OR

  • Today

    Today: A 30 percent chance of rain. Mostly cloudy, with a high near 45. West southwest wind 11 to 14 mph.

    High: 45 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. West southwest wind 14 to 16 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 48. Breezy, with a west southwest wind 17 to 20 mph.

    High: 48 °F

    Slight Chance
    Rain and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 38 mph.

    Low: 42 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 49. Breezy, with a west southwest wind 25 to 28 mph, with gusts as high as 39 mph.

    High: 49 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46. Windy.

    Low: 46 °F

    Chance Rain
    and Windy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 52. Windy.

    High: 52 °F

    Chance Rain
    and Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A chance of rain and snow, mainly before 11am. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
A 30 percent chance of rain. Mostly cloudy, with a high near 45. West southwest wind 11 to 14 mph.
Tonight
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37. West southwest wind 14 to 16 mph.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 48. Breezy, with a west southwest wind 17 to 20 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 38 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 49. Breezy, with a west southwest wind 25 to 28 mph, with gusts as high as 39 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46. Windy.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 52. Windy.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42. Breezy.
Thursday
A chance of rain and snow, mainly before 11am. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
35 Miles WSW Vale OR
 43.73°N 117.84°W (Elev. 4964 ft)
Last Update:
4:47 am MST Dec 7, 2025
Forecast Valid:
11am MST Dec 7, 2025-6pm MST Dec 13, 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