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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Partly Cloudy

43°F

6°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 22 Feb 02:05 AM MST
Extended Forecast for

Ontario OR

  • Overnight

    Overnight: Partly cloudy, with a low around 32. East wind around 8 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. East wind 7 to 13 mph becoming south southeast in the morning. Winds could gust as high as 23 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 34. East southeast wind 5 to 8 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 55. South southeast wind 3 to 7 mph.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely after 11pm. Cloudy, with a low around 42. South southeast wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 11am. Mostly sunny, with a high near 54.

    High: 54 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. East wind around 8 mph.
Sunday
Sunny, with a high near 57. East wind 7 to 13 mph becoming south southeast in the morning. Winds could gust as high as 23 mph.
Sunday Night
Increasing clouds, with a low around 34. East southeast wind 5 to 8 mph.
Monday
Mostly cloudy, with a high near 55. South southeast wind 3 to 7 mph.
Monday Night
Rain likely after 11pm. Cloudy, with a low around 42. South southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Tuesday
Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain before 11am. Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 54.
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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:
2:05 am MST Feb 22, 2026
Forecast Valid:
2am MST Feb 22, 2026-6pm MST Feb 28, 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