Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

91°F

33°C

Humidity 16%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Jul 01:20 PM MDT
Extended Forecast for

Ontario OR

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 101. West southwest wind 6 to 9 mph.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 66. West wind 5 to 10 mph becoming north northwest in the evening. Winds could gust as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96. West southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 93. West wind around 7 mph.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 89.

    High: 89 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. West southwest wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 66. West wind 5 to 10 mph becoming north northwest in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny and hot, with a high near 96. West southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 66. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny and hot, with a high near 93. West wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 68.
Monday
Mostly cloudy, with a high near 89.
Monday Night
Mostly cloudy, with a low around 65.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
3:04 am MDT Jul 18, 2025
1pm MDT Jul 18, 2025-6pm MDT Jul 24, 2025
 
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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