Current conditions at

Ontario Municipal Airport (KONO)

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

haze

66°F

19°C

Humidity 39%
Wind Speed NNW 21 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Last update 11 May 01:20 AM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Today
Partly cloudy after midnight, then clearing. Highs 82 to 87. Breezy. Northwest winds 10 to 20 mph. Gusts to 35 mph.
Tonight
Partly cloudy. Lows 51 to 56. North winds up to 10 mph.
Tuesday
Sunny. Highs 89 to 94. Light winds.
Tuesday Night
Partly cloudy. Lows 59 to 64. Northeast winds around 10 mph in the evening, becoming light after midnight.
Wednesday
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Thunderstorms may produce gusty winds in the afternoon. Chance of rain 40 percent. Highs 81 to 86. Breezy. Light winds in the morning, becoming northwest 15 to 20 mph with gusts to 30 mph in the afternoon.
Wednesday Night
Decreasing clouds. A chance of thunderstorms in the evening. A chance of showers. Thunderstorms may produce gusty winds in the evening. Chance of rain 40 percent. Lows 50 to 55. Breezy.
Thursday
Mostly sunny. Highs 75 to 80.
Thursday Night Through Friday Night
Partly cloudy with a 20 percent chance of showers. Lows 44 to 52. Highs 75 to 80.
Saturday
Sunny. Highs 67 to 72.
Saturday Night And Sunday
Partly cloudy. Lows 41 to 46. Highs 68 to 73.



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1236 AM MDT Mon May 11 2026
 
 

Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database