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.

Clear

72°F

22°C

Humidity 24%
Wind Speed SW 3 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 29 Mar 07:00 PM MDT
Extended Forecast for

Ontario Municipal OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. West southwest wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 53. North northwest wind 13 to 16 mph.

    High: 53 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Northwest wind 5 to 11 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers before noon, then a slight chance of rain showers. Mostly cloudy, with a high near 57. Light and variable wind. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41. East southeast wind around 5 mph becoming calm after midnight.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.

    High: 52 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. West southwest wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Monday
A 20 percent chance of showers between 2pm and 3pm. Mostly cloudy, with a high near 53. North northwest wind 13 to 16 mph.
Monday Night
Mostly cloudy, with a low around 33. Northwest wind 5 to 11 mph.
Tuesday
A slight chance of snow showers before noon, then a slight chance of rain showers. Mostly cloudy, with a high near 57. Light and variable wind. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41. East southeast wind around 5 mph becoming calm after midnight.
Wednesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Wednesday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 39. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 32.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario Municipal OR
 44.03°N 117.03°W (Elev. 2185 ft)
Last Update:
12:29 pm MDT Mar 29, 2026
Forecast Valid:
7pm MDT Mar 29, 2026-6pm MDT Apr 5, 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