Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

52°F

11°C

Humidity 57%
Wind Speed WSW 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Apr 12:05 AM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Mostly cloudy. Lows 45 to 50. Northwest winds up to 10 mph.
Friday
Decreasing clouds. Scattered showers. Isolated thunderstorms in the afternoon. Chance of rain 40 percent. Highs 66 to 71. West winds up to 10 mph.
Friday Night
Showers with a chance of thunderstorms. Chance of rain 80 percent. Lows 46 to 51. Light winds.
Saturday
Patchy fog in the morning. A slight chance of thunderstorms. Showers, mainly in the morning. Chance of rain 80 percent. Highs 62 to 67. South winds up to 10 mph.
Saturday Night
Rain showers. Chance of rain 90 percent. Lows 41 to 46. Southeast winds around 10 mph in the evening, shifting to west up to 10 mph after midnight.
Sunday
Rain showers. A slight chance of thunderstorms in the afternoon. Chance of rain 90 percent. Cooler with highs 52 to 58.
Sunday Night
Rain showers likely, mainly in the evening. Chance of rain 60 percent. Lows 38 to 43.
Monday
Mostly cloudy with a 50 percent chance of rain showers. Highs 53 to 58.
Monday Night And Tuesday
Partly cloudy. Lows 34 to 39. Highs 56 to 61.
Tuesday Night
Mostly cloudy. Lows 38 to 43.
Wednesday
Decreasing clouds. A 30 percent chance of rain showers. Highs 55 to 60.
Wednesday Night
Mostly cloudy with a slight chance of rain showers in the evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 32 to 37.
Thursday
Mostly sunny. Highs 53 to 59.



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231 PM MDT Thu Apr 9 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database