Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

91°F

33°C

Humidity 26%
Wind Speed S 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 12 Jul 08:20 PM MDT
Extended Forecast for

Ontario OR

Heat Advisory July 13, 12:00pm until July 14, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 68. North northwest wind 3 to 5 mph.

    Low: 68 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 71. North northwest wind 6 to 8 mph.

    Low: 71 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. West northwest wind 5 to 7 mph.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 70. North northwest wind around 8 mph.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 68. North northwest wind 3 to 5 mph.
Sunday
Sunny and hot, with a high near 102. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 71. North northwest wind 6 to 8 mph.
Monday
Sunny and hot, with a high near 103. West northwest wind 5 to 7 mph.
Monday Night
Clear, with a low around 70. North northwest wind around 8 mph.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Clear, with a low around 67.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
3:04 pm MDT Jul 12, 2025
8pm MDT Jul 12, 2025-6pm MDT Jul 19, 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