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.

freezing fog

29°F

-2°C

Humidity 96%
Wind Speed S 4 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 28°F (-2°C)
Visibility -0.25 mi
Wind Chill25°F (-4°C)
Last update 14 Jan 06:53 PM MST
Extended Forecast for

Ontario Municipal OR

Air Stagnation Advisory January 14, 07:02pm until January 19, 05:00am
Dense Fog Advisory until January 15, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 14, 07:02pm until January 19, 05:00am
    Dense Fog Advisory until January 15, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 25 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog. Otherwise, mostly sunny, with a high near 40. Calm wind.

    High: 40 °F

    Areas Fog

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog. Otherwise, mostly sunny, with a high near 41. Light and variable wind.

    High: 41 °F

    Areas Fog

  • Friday Night

    Friday Night: Areas of fog. Otherwise, mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 42.

    High: 42 °F

    Areas Fog
    then Sunny

  • Saturday Night

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

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

Tonight
Areas of fog. Otherwise, partly cloudy, with a low around 25. Light and variable wind.
Thursday
Areas of fog. Otherwise, mostly sunny, with a high near 40. Calm wind.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 25. Calm wind.
Friday
Areas of fog. Otherwise, mostly sunny, with a high near 41. Light and variable wind.
Friday Night
Areas of fog. Otherwise, mostly clear, with a low around 24. Calm wind.
Saturday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 43.
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
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
2:04 pm MST Jan 14, 2026
Forecast Valid:
7pm MST Jan 14, 2026-6pm MST Jan 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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