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.

Mist

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Last update 24 Nov 01:35 AM MST
Extended Forecast for

Ontario ORSimilar City Names

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 50 °F

    Slight Chance
    Rain then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Light and variable wind.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Thanksgiving Day

    Thanksgiving Day: A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 11am. Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 47. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain before 5am, then a slight chance of rain and snow. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 34. Calm wind.
Monday
A 20 percent chance of rain before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 50. Calm wind becoming west northwest 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 22. Light and variable wind.
Tuesday
Mostly sunny, with a high near 44. Calm wind.
Tuesday Night
A slight chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain before 5am, then a slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thanksgiving Day
A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 11am. Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 47. Chance of precipitation is 20%.
Thursday Night
A slight chance of rain before 5am, then a slight chance of rain and snow. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow before 8am, then a slight chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 47. Chance of precipitation is 20%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain and snow. Partly cloudy, with a low around 26. Chance of precipitation is 20%.
Sunday
A 10 percent chance of snow. Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario ORSimilar City Names
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
6:49 pm MST Nov 23, 2025
Forecast Valid:
1am MST Nov 24, 2025-6pm MST Nov 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation