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 86%
Wind Speed N 0 MPH
Barometer 30.56 in (1034.88 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Jan 09:20 AM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 19, 09:37am until January 22, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 09:37am until January 22, 11:00am

    NOW until 11:00am Thu

    Air Stagnation Advisory

  • M.L.King Day

    High: 30 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • Tuesday

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

    High: 29 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then clearing, with a low around 24. Calm wind.

    Low: 24 °F

    Clearing

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Patchy fog before 2pm. Otherwise, cloudy, with a high near 30. Calm wind.
Tonight
Patchy fog after 8pm. Otherwise, cloudy, with a low around 24. Calm wind.
Tuesday
Patchy fog before 11am. Otherwise, cloudy, with a high near 29. Calm wind.
Tuesday Night
Cloudy during the early evening, then clearing, with a low around 24. Calm wind.
Wednesday
Partly sunny, with a high near 33. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 35.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 20%.
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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 am MST Jan 19, 2026
Forecast Valid:
9am MST Jan 19, 2026-6pm MST Jan 25, 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