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

43°F

6°C

Humidity 37%
Wind Speed N 11 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 09 Mar 07:53 PM MDT
Extended Forecast for

4 Miles WSW Ontario Municipal OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Northwest wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Northwest wind 8 to 13 mph.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. South southeast wind 8 to 11 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Cloudy, with a high near 65. Breezy.

    High: 65 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain. Cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. Northwest wind 8 to 10 mph.
Tuesday
Partly sunny, with a high near 48. Northwest wind 8 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Mostly cloudy, with a high near 58. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. South southeast wind 8 to 11 mph.
Thursday
A 20 percent chance of rain. Cloudy, with a high near 65. Breezy.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Mostly cloudy, with a high near 67.
Friday Night
A 20 percent chance of rain. Cloudy, with a low around 49.
Saturday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 64. Breezy.
Saturday Night
Mostly cloudy, with a low around 42. Breezy.
Sunday
A 20 percent chance of rain. Cloudy, with a high near 59.
Sunday Night
A 20 percent chance of rain. Cloudy, with a low around 45.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Ontario Municipal OR
 44°N 117.09°W (Elev. 2182 ft)
Last Update:
3:05 pm MDT Mar 9, 2026
Forecast Valid:
8pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation