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.

Mist

28°F

-2°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.63 in (1037.25 mb)
Dewpoint 27°F (-3°C)
Visibility 3.00 mi
Last update 14 Jan 12:35 AM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 14, 12:48am until January 19, 05:00am
Dense Fog Advisory until January 14, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 14, 12:48am until January 19, 05:00am
    Dense Fog Advisory until January 14, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 25 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 2pm. Otherwise, mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Patchy Dense
    Fog

  • Wednesday Night

    Wednesday Night: Widespread dense fog, mainly between 10pm and 1am. Otherwise, mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Dense Fog

  • Thursday

    Thursday: Patchy dense fog before 2pm. Otherwise, mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Patchy Dense
    Fog

  • Thursday Night

    Thursday Night: Patchy fog after 8pm. Otherwise, mostly clear, with a low around 23. Calm wind.

    Low: 23 °F

    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, partly cloudy, with a low around 25. Calm wind.
Wednesday
Patchy dense fog before 2pm. Otherwise, mostly sunny, with a high near 36. Calm wind.
Wednesday Night
Widespread dense fog, mainly between 10pm and 1am. Otherwise, mostly clear, with a low around 27. Calm wind.
Thursday
Patchy dense fog before 2pm. Otherwise, mostly sunny, with a high near 37. Calm wind.
Thursday Night
Patchy fog after 8pm. Otherwise, mostly clear, with a low around 23. Calm wind.
Friday
Mostly sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 39.
Sunday Night
Mostly clear, with a low around 24.
M.L.King Day
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 40.
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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:
2:04 pm MST Jan 13, 2026
Forecast Valid:
12am MST Jan 14, 2026-6pm MST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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