Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

80°F

27°C

Humidity 30%
Wind Speed W 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Jun 11:53 PM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Mostly cloudy. Scattered showers and isolated thunderstorms after midnight. Thunderstorms may produce gusty winds after midnight. Chance of rain 30 percent. Lows 66 to 71. Breezy. Northwest winds up to 10 mph with gusts to 20 mph this evening, increasing to west 10 to 20 mph with gusts to 30 mph after midnight.
Saturday
Cloudy with a chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Thunderstorms may produce gusty winds in the morning. Chance of rain 30 percent. Highs 85 to 90. West winds 10 to 15 mph.
Saturday Night
Partly cloudy in the evening, then clearing. Cooler with lows 55 to 60. Northwest winds 10 to 15 mph with gusts to 25 mph.
Sunday
Sunny. Highs 85 to 90. Northwest winds 10 to 15 mph with gusts to 25 mph.
Sunday Night
Clear. Lows 56 to 61. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.
Monday And Monday Night
Clear. Highs 87 to 92. Lows 56 to 61.
Tuesday
Sunny. Highs 93 to 98.
Tuesday Night
Mostly clear. Lows 61 to 66.
Wednesday
Sunny. Highs 95 to 100.
Wednesday Night
Mostly clear. Lows 61 to 66.
Thursday
Sunny. Highs 94 to 99.
Thursday Night And Friday
Mostly clear. Lows 60 to 65. Highs 90 to 95.



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230 PM MDT Fri Jun 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database