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

30°F

-1°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 21 Jan 09:53 PM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 21, 10:02pm until January 23, 05:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 21, 10:02pm until January 23, 05:00am

    NOW until 5:00am Fri

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 32. Calm wind.

    High: 32 °F

    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 26. Light west wind.

    Low: 26 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Light west northwest wind becoming north northwest 5 to 10 mph in the morning.

    High: 39 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Northwest wind 6 to 10 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Tonight
Cloudy, with a low around 25. Calm wind.
Thursday
Cloudy, with a high near 32. Calm wind.
Thursday Night
Cloudy, with a low around 26. Light west wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Light west northwest wind becoming north northwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 23. Northwest wind 6 to 10 mph.
Saturday
Sunny, with a high near 36.
Saturday Night
Mostly clear, with a low around 20.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117.03°W (Elev. 2185 ft)
Last Update:
2:05 pm MST Jan 21, 2026
Forecast Valid:
10pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation