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 30.47 in (1031.83 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Jan 02:35 AM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 19, 02:54am until January 22, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 02:54am until January 22, 11:00am

    NOW until 11:00am Thu

    Air Stagnation Advisory

  • Overnight

    Low: 24 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Patchy fog before 2pm. Otherwise, cloudy, with a high near 30. Calm wind.

    High: 30 °F

    Patchy Fog

  • Monday Night

    Monday Night: Patchy fog after 8pm. Otherwise, cloudy, with a low around 23. Calm wind.

    Low: 23 °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: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. Calm wind.
M.L.King Day
Patchy fog before 2pm. Otherwise, cloudy, with a high near 30. Calm wind.
Monday Night
Patchy fog after 8pm. Otherwise, cloudy, with a low around 23. Calm wind.
Tuesday
Patchy fog before 11am. Otherwise, cloudy, with a high near 29. Calm wind.
Tuesday Night
Partly cloudy, with a low around 23. Calm wind.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 25.
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 117.03°W (Elev. 2185 ft)
Last Update:
2:04 am MST Jan 19, 2026
Forecast Valid:
2am 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