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

64°F

18°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Apr 03:35 PM MDT
Extended Forecast for

Ontario Municipal OR

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 66. South southwest wind around 8 mph.

    High: 66 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then showers likely after midnight. Increasing clouds, with a low around 45. South southwest wind 5 to 7 mph becoming calm. Chance of precipitation is 60%.

    Low: 45 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon. High near 57. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 41. South southeast wind 6 to 9 mph.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 57. South southwest wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 66. South southwest wind around 8 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then showers likely after midnight. Increasing clouds, with a low around 45. South southwest wind 5 to 7 mph becoming calm. Chance of precipitation is 60%.
Sunday
Showers, with thunderstorms also possible after noon. High near 57. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41. South southeast wind 6 to 9 mph.
Monday
Showers likely. Mostly cloudy, with a high near 57. South southwest wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 43.
Wednesday
Showers. High near 54. Chance of precipitation is 80%.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Thursday
A 20 percent chance of snow showers. Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 63.
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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:
12:29 pm MDT Apr 11, 2026
Forecast Valid:
3pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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