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.

Overcast

27°F

-3°C

Humidity 92%
Wind Speed SW 3 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 25°F (-4°C)
Visibility 9.00 mi
Last update 20 Jan 07:20 AM MST
Extended Forecast for

Ontario OR

Air Stagnation Advisory January 20, 07:42am until January 22, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 07:42am until January 22, 11:00am

    NOW until 11:00am Thu

    Air Stagnation Advisory

  • Today

    High: 32 °F

    Cloudy

  • Tonight

    Tonight: Areas of fog after 11pm. Otherwise, increasing clouds, with a low around 23. Calm wind.

    Low: 23 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog. Otherwise, cloudy, with a high near 29. Calm wind.

    High: 29 °F

    Areas Fog

  • Wednesday Night

    Wednesday Night: Areas of fog before 8pm, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Areas Fog

  • Thursday

    Thursday: Patchy fog before 8am, then areas of fog after 2pm. Otherwise, mostly cloudy, with a high near 27. Calm wind.

    High: 27 °F

    Areas Fog

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 22.

    Low: 22 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 34.

    High: 34 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, with a high near 32. Calm wind.
Tonight
Areas of fog after 11pm. Otherwise, increasing clouds, with a low around 23. Calm wind.
Wednesday
Areas of fog. Otherwise, cloudy, with a high near 29. Calm wind.
Wednesday Night
Areas of fog before 8pm, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 23. Calm wind.
Thursday
Patchy fog before 8am, then areas of fog after 2pm. Otherwise, mostly cloudy, with a high near 27. Calm wind.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 22.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 34.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 18.
Sunday
Patchy fog. Otherwise, mostly cloudy, with a high near 28.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 24.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
2:06 am MST Jan 20, 2026
Forecast Valid:
7am MST Jan 20, 2026-6pm MST Jan 26, 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