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.

Overcast

43°F

6°C

Humidity 93%
Wind Speed N 5 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill40°F (4°C)
Last update 25 Dec 11:20 AM MST
Extended Forecast for

Ontario Municipal OR

  • Christmas Day

    Christmas Day: Rain likely before 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 54. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 38. South wind 5 to 8 mph becoming east southeast after midnight. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 11am. Partly sunny, with a high near 49. South southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 43. Southwest wind 8 to 10 mph becoming northwest in the afternoon.

    High: 43 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Rain likely before 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 54. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
Rain, mainly after 11pm. Low around 38. South wind 5 to 8 mph becoming east southeast after midnight. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 11am. Partly sunny, with a high near 49. South southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 43. Southwest wind 8 to 10 mph becoming northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 20.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117°W (Elev. 2139 ft)
Last Update:
2:05 am MST Dec 25, 2025
Forecast Valid:
11am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation