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

52°F

11°C

Humidity 76%
Wind Speed NNE 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Last update 20 Nov 02:35 PM MST
Extended Forecast for

35 Miles SSE Unity OR

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Snow level 6100 feet. Mostly cloudy, with a high near 41. North northeast wind around 7 mph.

    High: 41 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 6 to 8 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 42. West southwest wind 5 to 7 mph.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. South southwest wind 5 to 8 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Southwest wind 5 to 8 mph becoming southeast in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of snow after 2am. Snow level 6500 feet lowering to 5500 feet after midnight . Partly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Snow level 6100 feet. Mostly cloudy, with a high near 41. North northeast wind around 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 6 to 8 mph.
Friday
Sunny, with a high near 42. West southwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 31. South southwest wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 42. Southwest wind 5 to 8 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
A slight chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of snow after 2am. Snow level 6500 feet lowering to 5500 feet after midnight . Partly cloudy, with a low around 29. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
35 Miles SSE Unity OR
 43.95°N 118.02°W (Elev. 5505 ft)
Last Update:
2:04 pm MST Nov 20, 2025
Forecast Valid:
2pm MST Nov 20, 2025-6pm MST Nov 26, 2025
 
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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