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.

Clear

27°F

-3°C

Humidity 86%
Wind Speed ENE 3 MPH
Barometer 30.69 in (1039.28 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 29 Dec 04:15 AM MST
Extended Forecast for

36 Miles SSE Unity OR

Air Stagnation Advisory December 29, 04:43am until January 1, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 29, 04:43am until January 1, 10:00am

    NOW until 10:00am Thu

    Air Stagnation Advisory

  • Today

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Light east northeast wind.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32. East northeast wind 3 to 6 mph.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. East northeast wind around 5 mph becoming light and variable after midnight.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Northeast wind around 6 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 29. East wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 23. Light east northeast wind.
Tuesday
Sunny, with a high near 32. East northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 24. East northeast wind around 5 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 34. Northeast wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
A 30 percent chance of snow. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Snow level 5400 feet rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Friday Night
A chance of rain before 2am, then a chance of rain and snow. Snow level 6100 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 38.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
36 Miles SSE Unity OR
 43.93°N 117.98°W (Elev. 4984 ft)
Last Update:
2:04 am MST Dec 29, 2025
Forecast Valid:
4am MST Dec 29, 2025-6pm MST Jan 4, 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