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

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

thunderstorm,mist

61°F

16°C

Humidity 93%
Wind Speed NNE 4 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 59°F (15°C)
Visibility 3.00 mi
Last update 26 Jun 07:08 PM MDT
Extended Forecast for

Ontario OR

Flood Advisory until June 26, 08:45pm
Red Flag Warning June 26, 07:27pm until June 27, 06:00am
Click here for hazard details and duration
...
Red Flag Warning
  •  
    Flood Advisory until June 26, 08:45pm
    Red Flag Warning June 26, 07:27pm until June 27, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 69. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 67. West northwest wind 8 to 10 mph.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48. North northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before noon. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 54. Northwest wind 5 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 69. Northwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 49. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 67. West northwest wind 8 to 10 mph.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48. North northwest wind 5 to 9 mph becoming calm after midnight.
Monday
A 20 percent chance of showers before noon. Partly sunny, with a high near 73.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 86.
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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:
12:29 pm MDT Jun 26, 2026
Forecast Valid:
7pm MDT Jun 26, 2026-6pm MDT Jul 3, 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