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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

43°F

6°C

Humidity 65%
Wind Speed WSW 8 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 06 Dec 06:35 PM MST
Extended Forecast for

Ontario OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely. Patchy fog between 8am and 2pm. Otherwise, cloudy, with a high near 46. Light east wind. Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain likely before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of rain after 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 33. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely and
    Patchy Fog

  • Monday

    Monday: A 50 percent chance of rain. Areas of fog before 11am. Otherwise, cloudy, with a high near 49. Calm wind.

    High: 49 °F

    Chance Rain
    and Areas Fog

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 42. Light and variable wind becoming south southwest 5 to 9 mph in the evening. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.
Sunday
Rain likely. Patchy fog between 8am and 2pm. Otherwise, cloudy, with a high near 46. Light east wind. Chance of precipitation is 70%.
Sunday Night
Rain likely before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of rain after 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 33. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
A 50 percent chance of rain. Areas of fog before 11am. Otherwise, cloudy, with a high near 49. Calm wind.
Monday Night
Rain likely. Cloudy, with a low around 42. Light and variable wind becoming south southwest 5 to 9 mph in the evening. Chance of precipitation is 70%.
Tuesday
Rain. High near 54. Chance of precipitation is 80%.
Tuesday Night
Rain likely. Cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Cloudy, with a high near 59. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 54.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 54.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 35.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 51.
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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 Dec 6, 2025
Forecast Valid:
6pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
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