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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Overcast

41°F

5°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 Feb 07:20 PM MST
Extended Forecast for

Ontario OR

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 50. Light and variable wind.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 11am. Cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Cloudy, with a low around 35. North wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 50. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 34. Light and variable wind.
Saturday
A 20 percent chance of rain after 11am. Cloudy, with a high near 51. Calm wind.
Saturday Night
Cloudy, with a low around 35. North wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 34.
Washington's Birthday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 53.
Monday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 36. Chance of precipitation is 60%.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
Last Update:
2:09 pm MST Feb 12, 2026
Forecast Valid:
7pm MST Feb 12, 2026-6pm MST Feb 19, 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