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

46°F

8°C

Humidity 45%
Wind Speed S 11 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Mar 12:35 PM MDT
Extended Forecast for

Ontario Municipal OR

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 54. South southeast wind 8 to 10 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southeast wind 6 to 10 mph becoming southwest after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 63. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 47. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Cloudy

  • Friday

    Friday: Cloudy, with a high near 66. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 66 °F

    Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight. Cloudy, with a low around 47.

    Low: 47 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly before noon. Partly sunny, with a high near 61.

    High: 61 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 54. South southeast wind 8 to 10 mph.
Tonight
Mostly cloudy, with a low around 39. Southeast wind 6 to 10 mph becoming southwest after midnight.
Thursday
Mostly cloudy, with a high near 63. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Cloudy, with a low around 47. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Friday
Cloudy, with a high near 66. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Friday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 47.
Saturday
A 50 percent chance of rain, mainly before noon. Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 72.
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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:
9:39 am MDT Mar 11, 2026
Forecast Valid:
12pm MDT Mar 11, 2026-6pm MDT Mar 17, 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