Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

freezing fog

25°F

-4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 25°F (-4°C)
Visibility 0.13 mi
Last update 15 Jan 02:20 AM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 15, 02:32am until January 19, 05:00am
Dense Fog Advisory January 15, 02:32am until January 15, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 15, 02:32am until January 19, 05:00am
    Dense Fog Advisory January 15, 02:32am until January 15, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 26 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 11am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Dense Fog

  • Thursday Night

    Thursday Night: Patchy dense fog.  Otherwise, partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Areas of dense fog before 11am.  Otherwise, mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

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

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Saturday Night

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

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 26. Calm wind.
Thursday
Widespread dense fog, mainly before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind.
Thursday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 26. Calm wind.
Friday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 36. Calm wind.
Friday Night
Mostly clear, with a low around 24. Calm wind.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 24.
M.L.King Day
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
2:04 am MST Jan 15, 2026
2am MST Jan 15, 2026-6pm MST Jan 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database