Severe Thunderstorms Tonight in the Mid-Atlantic; Tropical Storm Bertha in the Gulf

Scattered thunderstorms with severe gusts, hail and a tornado risk are possible near a cold front from the Ohio Valley to the Mid-Atlantic tonight. Tropical Storm Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the panhandle of Florida into Louisiana through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

86°F

30°C

Humidity 37%
Wind Speed WNW 4 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Heat Index85°F (29°C)
Last update 21 Jul 09:20 PM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Increasing clouds. Patchy smoke. Lows 71 to 76. Northwest winds 10 to 15 mph with gusts to 25 mph.
Wednesday
Mostly sunny. Patchy smoke. Highs 95 to 100. West winds 10 to 15 mph.
Wednesday Night
Partly cloudy in the evening, then clearing. Patchy smoke. Lows 67 to 72. West winds up to 10 mph with gusts to 20 mph.
Thursday
Sunny. Highs 99 to 104. Light winds in the morning, becoming southeast around 10 mph with gusts to 20 mph in the afternoon.
Thursday Night
Decreasing clouds. Lows 68 to 73. South winds 10 to 15 mph in the evening, shifting to west after midnight.
Friday Through Saturday
Clear. Highs 97 to 106. Lows 66 to 71.
Saturday Night Through Tuesday
Mostly clear. Lows 63 to 68. Highs 92 to 99.



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230 PM MDT Tue Jul 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database