Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

90°F

32°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Heat Index88°F (31°C)
Last update 18 Jul 03:00 PM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Partly cloudy. Areas of smoke. Lows 66 to 71. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.
Sunday
Partly sunny. Smoke. Highs 98 to 103. Northwest winds 10 to 15 mph in the morning, becoming light in the afternoon.
Sunday Night
Mostly cloudy. Areas of smoke. Lows 70 to 75. North winds 10 to 15 mph. Gusts to 25 mph after midnight.
Monday
Areas of smoke in the morning. Mostly sunny. Highs 99 to 104. North winds 10 to 15 mph.
Monday Night
Partly cloudy. Lows 72 to 77. Northwest winds 10 to 15 mph with gusts to 25 mph.
Tuesday
Partly sunny. Highs 97 to 102.
Tuesday Night
Partly cloudy. Lows 71 to 76.
Wednesday
Partly sunny. Highs 96 to 101.
Wednesday Night Through Thursday Night
Partly cloudy with a 20 percent chance of showers. Lows 68 to 73. Highs 97 to 102.
Friday Through Saturday
Mostly clear. Highs 95 to 102. Lows 66 to 71.



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230 PM MDT Sat Jul 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database