National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Ontario Municipal Airport (KONO)

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

Partly Cloudy

37°F

3°C

Humidity 69%
Wind Speed ESE 3 MPH
Barometer 29.57 in (1001.36 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 17 Feb 10:00 AM MST
Extended Forecast for

Ontario OR

  • Today

    Today: A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly cloudy, with a high near 46. South southwest wind 8 to 14 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 29. South southeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow showers. Mostly cloudy, with a high near 43. West wind 5 to 11 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 24. West wind 5 to 10 mph becoming southeast after midnight.

    Low: 24 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers before 5pm, then a chance of rain and snow showers. Partly sunny, with a high near 41. East southeast wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly cloudy, with a high near 46. South southwest wind 8 to 14 mph. Chance of precipitation is 20%.
Tonight
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 2am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 29. South southeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A 30 percent chance of snow showers. Mostly cloudy, with a high near 43. West wind 5 to 11 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 24. West wind 5 to 10 mph becoming southeast after midnight.
Thursday
A chance of snow showers before 5pm, then a chance of rain and snow showers. Partly sunny, with a high near 41. East southeast wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Partly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 51.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Monday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
2:07 am MST Feb 17, 2026
Forecast Valid:
10am MST Feb 17, 2026-6pm MST Feb 23, 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