Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Mist

38°F

3°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Last update 11 Dec 04:53 AM MST
Extended Forecast for

Payette ID

Air Stagnation Advisory December 12, 05:00am until December 15, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory
  • Today

    Today: Mostly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog between 8am and 11am.  Otherwise, mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 11am.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 53. Light and variable wind.
Tonight
Mostly clear, with a low around 36. Calm wind.
Friday
Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 52. Calm wind.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 31. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 49. Calm wind.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 47.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of rain. Partly sunny, with a high near 53.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Payette ID
 44.09°N 116.89°W (Elev. 2274 ft)
2:04 am MST Dec 11, 2025
5am MST Dec 11, 2025-6pm MST Dec 17, 2025
 
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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