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.

freezing fog

25°F

-4°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.66 in (1038.27 mb)
Dewpoint 24°F (-4°C)
Visibility -0.25 mi
Last update 14 Jan 08:53 AM MST
Extended Forecast for

Ontario OR

Air Stagnation Advisory January 14, 09:02am until January 19, 05:00am
Dense Fog Advisory January 14, 09:02am until January 14, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 14, 09:02am until January 19, 05:00am
    Dense Fog Advisory January 14, 09:02am until January 14, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 34 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 35. Calm wind.

    High: 35 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 38.

    High: 38 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 34. Calm wind.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 22. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 35. Calm wind.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 22. Calm wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 37. Calm wind.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 22.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 25.
M.L.King Day
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 43.
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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:
2:03 am MST Jan 14, 2026
Forecast Valid:
9am MST Jan 14, 2026-6pm MST Jan 20, 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