Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

43°F

6°C

Humidity 65%
Wind Speed W 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Oct 05:35 AM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Today
Sunny. Highs 68 to 73. Northwest winds up to 10 mph this morning, becoming light this afternoon.
Tonight
Mostly clear. Lows 34 to 42. Light winds.
Monday
Mostly sunny. Highs 69 to 74. Light winds.
Monday Night
Partly cloudy. Lows 41 to 47. Northwest winds up to 10 mph.
Tuesday
Decreasing clouds. Highs 70 to 75. Light winds.
Tuesday Night And Wednesday
Partly cloudy. A 20 percent chance of showers. Lows 45 to 51. Highs 70 to 75.
Wednesday Night
Mostly cloudy with a 40 percent chance of showers. Areas of fog after midnight. Lows 43 to 50.
Thursday And Thursday Night
Rain showers likely. Areas of fog in the morning. Areas of fog through the day. Chance of rain 60 percent. Highs 66 to 71. Lows 42 to 48.
Friday
Partly cloudy. A slight chance of rain showers in the morning. Chance of rain 20 percent. Highs 61 to 66. Breezy.
Friday Night
Increasing clouds. Lows 35 to 41.
Saturday
Patchy fog in the morning. Mostly sunny. Highs 57 to 62.



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230 AM MDT Sun Oct 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database