Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

91°F

33°C

Humidity 21%
Wind Speed SE 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 47°F (8°C)
Visibility 8.00 mi
Heat Index87°F (31°C)
Last update 05 Aug 06:20 PM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Mostly clear. Areas of smoke. Lows 59 to 66. Southeast winds up to 10 mph this evening, shifting to west after midnight.
Thursday
Sunny. Areas of smoke. Highs 97 to 102. West winds up to 10 mph in the morning, becoming light in the afternoon.
Thursday Night
Mostly clear. Areas of smoke. Lows 62 to 69. Southeast winds up to 10 mph in the evening, shifting to northwest after midnight. Gusts to 25 mph.
Friday
Areas of smoke in the morning. Sunny. Highs 99 to 104. West winds up to 10 mph in the morning, becoming light in the afternoon. Gusts to 20 mph.
Friday Night
Mostly clear. Lows 65 to 72. Southeast winds around 10 mph in the evening, shifting to northwest after midnight. Gusts to 25 mph.
Saturday Through Wednesday
Mostly clear. Highs 93 to 103. Lows 63 to 71.



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230 PM MDT Wed Aug 5 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database