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

93°F

34°C

Humidity 23%
Wind Speed N 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Jul 12:20 PM MDT
Extended Forecast for

4 Miles N Ontario Municipal OR

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

    NOW until 9:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. West northwest wind around 9 mph.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 70. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. North northwest wind 11 to 14 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 72. North northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 102. West northwest wind around 9 mph.
Monday Night
Clear, with a low around 70. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny and hot, with a high near 94. North northwest wind 11 to 14 mph.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny and hot, with a high near 100.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Ontario Municipal OR
 44.07°N 117.01°W (Elev. 2251 ft)
9:02 am MDT Jul 13, 2025
12pm MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database