National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns for the Plains; Thunderstorms in the Southeast; Record Warmth Spreads in the Southwest

Elevated to locally critical conditions will persist across the High Plains. Showers and scattered thunderstorms are expected over parts of the Southeast and Florida Peninsula. Clipper system will bring modest snowfall and strong winds from the Northern High Plains into the Upper Midwest this weekend. Record warmth will persist across the Southwest into the southern Plains. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

40°F

4°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 26 Feb 07:53 PM MST
Extended Forecast for

Ontario OR

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Light and variable wind.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 55. Calm wind.

    High: 55 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 20 percent chance of rain. Mostly cloudy, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Light and variable wind.
Friday
Mostly sunny, with a high near 56. Calm wind.
Friday Night
Partly cloudy, with a low around 31. Light and variable wind.
Saturday
Increasing clouds, with a high near 55. Calm wind.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Cloudy, with a low around 36. Calm wind.
Sunday
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 58.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 61.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 60.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
2:04 pm MST Feb 26, 2026
Forecast Valid:
8pm MST Feb 26, 2026-6pm MST Mar 5, 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