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 92%
Wind Speed WNW 4 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Wind Chill26°F (-3°C)
Last update 17 Jan 09:35 PM MST
Extended Forecast for

36 Miles SSE Unity OR

Air Stagnation Advisory January 17, 09:47pm until January 22, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 17, 09:47pm until January 22, 11:00am

    NOW until 11:00am Thu

    Air Stagnation Advisory

  • Tonight

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 43. Light north wind.

    High: 43 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33. West northwest wind 3 to 6 mph.

    Low: 33 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36. North northwest wind around 6 mph becoming east in the afternoon.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. East wind around 5 mph becoming light and variable.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Light and variable wind.
Sunday
Sunny, with a high near 43. Light north wind.
Sunday Night
Mostly clear, with a low around 33. West northwest wind 3 to 6 mph.
M.L.King Day
Sunny, with a high near 36. North northwest wind around 6 mph becoming east in the afternoon.
Monday Night
Mostly clear, with a low around 30. East wind around 5 mph becoming light and variable.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 29.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 40.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 29.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 40.
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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:
2:05 pm MST Jan 17, 2026
Forecast Valid:
9pm MST Jan 17, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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