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

28°F

-2°C

Humidity 79%
Wind Speed W 4 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 20 Jan 03:20 PM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 20, 03:37pm until January 23, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 03:37pm until January 23, 05:00am

    NOW until 5:00am Fri

    Air Stagnation Advisory

  • Tonight

    Low: 26 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, cloudy, with a high near 29. Calm wind.

    High: 29 °F

    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, cloudy, with a high near 29. Calm wind.

    High: 29 °F

    Patchy Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 32.

    High: 32 °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 31.

    High: 31 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, cloudy, with a low around 26. Calm wind.
Wednesday
Patchy fog before 11am. Otherwise, cloudy, with a high near 29. Calm wind.
Wednesday Night
Patchy fog after 11pm. Otherwise, cloudy, with a low around 26. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, cloudy, with a high near 29. Calm wind.
Thursday Night
Patchy fog after 11pm. Otherwise, cloudy, with a low around 26. Calm wind.
Friday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 32.
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 31.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 20.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 31.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 25.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 33.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 26.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
2:06 pm MST Jan 20, 2026
Forecast Valid:
3pm MST Jan 20, 2026-6pm MST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation