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

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

21°F

-6°C

Humidity 92%
Wind Speed W 3 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 31 Dec 06:20 AM MST
Extended Forecast for

Ontario OR

Air Stagnation Advisory December 31, 06:32am until January 3, 08:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 31, 06:32am until January 3, 08:00am

    NOW until 8:00am Sat

    Air Stagnation Advisory

  • Today

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Light west wind.

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of snow before 10am, then rain likely. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Patchy fog after 8pm. Low around 33. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of rain before 11am. Areas of fog. Otherwise, mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Chance Rain
    and Areas Fog
    then Areas
    Fog

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Patchy Fog

  • Saturday

    Saturday: Rain likely. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 39. Calm wind.
Tonight
Mostly cloudy, with a low around 26. Light west wind.
New Year's Day
A chance of snow before 10am, then rain likely. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Rain. Patchy fog after 8pm. Low around 33. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of rain before 11am. Areas of fog. Otherwise, mostly cloudy, with a high near 42. Calm wind.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 33.
Saturday
Rain likely. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 47.
Sunday Night
A 40 percent chance of rain. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 35.
Monday
A 40 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 47.
Monday Night
A 30 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 31.
Tuesday
Areas of fog. Otherwise, partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
2:28 am MST Dec 31, 2025
Forecast Valid:
6am MST Dec 31, 2025-6pm MST Jan 6, 2026
 
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