Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424° N Lon: 117.00808° W Elev: 2185.0 ft.

Clear

79°F

26°C

Humidity 24%
Wind Speed NNW 16 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 05 Jul 12:05 AM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Clear. Lows 64 to 69. Northwest winds 10 to 15 mph with gusts to 25 mph.
Sunday
Sunny. Highs 95 to 100. North winds 10 to 15 mph with gusts to 25 mph.
Sunday Night
Mostly cloudy. Lows 68 to 73. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.
Monday
Decreasing clouds. Highs 91 to 96. Northwest winds 10 to 15 mph.
Monday Night
Mostly cloudy in the evening, then clearing. Lows 62 to 67. Northwest winds up to 10 mph. Gusts to 20 mph in the evening.
Tuesday
Sunny. Highs 95 to 100.
Tuesday Night
Partly cloudy. A slight chance of showers in the evening. Chance of rain 20 percent. Lows 63 to 68.
Wednesday
Sunny. Highs 92 to 97.
Wednesday Night
Mostly clear. Lows 60 to 65. Windy.
Thursday Through Friday
Clear. Highs 88 to 97. Lows 59 to 64.
Friday Night And Saturday
Mostly clear. Lows 61 to 66. Highs 94 to 99.



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230 PM MDT Sat Jul 4 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database