Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

45°F

7°C

Humidity 68%
Wind Speed SSW 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 Oct 03:53 AM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Today
Patchy smoke this morning. Mostly sunny. Highs 71 to 76. Northeast winds up to 10 mph.
Tonight
Increasing clouds. A slight chance of showers after midnight. Chance of rain 20 percent. Lows 44 to 50. Northwest winds up to 10 mph.
Thursday
A chance of rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. Thunderstorms may produce heavy rainfall and gusty winds in the afternoon. Chance of rain 60 percent. Highs 68 to 73. Northeast winds around 10 mph.
Thursday Night
A slight chance of thunderstorms in the evening. Showers. Thunderstorms may produce heavy rainfall in the evening. Chance of rain 90 percent. Lows 42 to 47. Breezy. Northwest winds 10 to 20 mph. Gusts to 35 mph after midnight.
Friday
Mostly cloudy with a chance of rain showers in the morning, then sunny in the afternoon. Chance of rain 30 percent. Highs 59 to 64. Windy. Northwest winds 20 to 30 mph with gusts to 40 mph in the morning, decreasing to 15 to 20 mph with gusts to 30 mph in the afternoon.
Friday Night
Mostly clear. Colder with lows 31 to 37.
Saturday
Patchy fog in the morning. Sunny. Highs 57 to 62.
Saturday Night
Increasing clouds. Lows 32 to 38.
Sunday
Areas of fog in the morning. Sunny. Highs 60 to 65.
Sunday Night Through Monday Night
Partly cloudy. Areas of fog. Lows 32 to 39. Highs 60 to 65.
Tuesday
Areas of fog in the morning. Sunny. Highs 58 to 63.



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230 AM MDT Wed Oct 21 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database