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.

Overcast

39°F

4°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 07 Dec 12:05 PM MST
Extended Forecast for

16 Miles WNW Vale OR

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 42. East southeast wind around 6 mph.

    High: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 36. West wind 3 to 5 mph.

    Low: 36 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 43. Light southwest wind becoming west southwest 9 to 14 mph in the evening.

    Low: 43 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 51. West wind 11 to 14 mph. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 42. East southeast wind around 6 mph.
Tonight
A 20 percent chance of rain before 11pm. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 36. West wind 3 to 5 mph.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43. Light southwest wind becoming west southwest 9 to 14 mph in the evening.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 51. West wind 11 to 14 mph. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Wednesday
Rain likely. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Patchy fog. Otherwise, partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WNW Vale OR
 44.03°N 117.55°W (Elev. 3586 ft)
Last Update:
4:47 am MST Dec 7, 2025
Forecast Valid:
12pm 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