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

50°F

10°C

Humidity 57%
Wind Speed WSW 10 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 10 Apr 02:05 AM MDT
Extended Forecast for

Ontario Municipal OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Northwest wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 49. South southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 65. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 45. South southeast wind 5 to 9 mph becoming light and variable after midnight.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon. High near 60. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Showers

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Monday Night

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

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Northwest wind 3 to 6 mph.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 70. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 49. South southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45. South southeast wind 5 to 9 mph becoming light and variable after midnight.
Sunday
Showers, with thunderstorms also possible after noon. High near 60. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers. Low around 42. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 56.
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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 am MDT Apr 10, 2026
Forecast Valid:
2am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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