Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

81°F

27°C

Humidity 28%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 07 Jul 11:35 AM MDT
Extended Forecast for

Ontario OR

  • Today

    Today: Sunny and hot, with a high near 98. Light northeast wind.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 67. Light and variable wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 28 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Northwest wind 6 to 13 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. North northwest wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 98. Light northeast wind.
Tonight
Mostly clear, with a low around 67. Light and variable wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 28 mph.
Wednesday
Sunny and hot, with a high near 99. Northwest wind 6 to 13 mph.
Wednesday Night
Mostly clear, with a low around 65. North northwest wind 11 to 18 mph, with gusts as high as 28 mph.
Thursday
Sunny and hot, with a high near 96. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Clear, with a low around 64.
Friday
Sunny and hot, with a high near 100.
Friday Night
Clear, with a low around 66.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny and hot, with a high near 99.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly 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)
12:29 am MDT Jul 7, 2026
11am MDT Jul 7, 2026-6pm MDT Jul 13, 2026
 
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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