Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

34°F

1°C

Humidity 85%
Wind Speed W 4 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Nov 12:53 AM MST
Detailed forecast for

Oregon Lower Treasure Valley

Overnight
Mostly cloudy. Lows 33 to 39. Light winds.
Friday
Partly cloudy. A chance of rain showers in the afternoon. Chance of rain 50 percent. Highs 58 to 63. East winds up to 10 mph with gusts to 20 mph.
Friday Night
Rain showers. Patchy fog after midnight. Chance of rain 80 percent. Lows 36 to 41. Southwest winds 10 to 15 mph. Gusts to 30 mph in the evening.
Saturday
Areas of fog in the morning. Mostly sunny. Highs 54 to 59. Southwest winds 10 to 15 mph with gusts to 25 mph.
Saturday Night
Increasing clouds. Lows 32 to 37. Light winds.
Sunday
Partly cloudy. A chance of rain showers in the afternoon. Chance of rain 40 percent. Highs 53 to 58.
Sunday Night
Rain showers likely. Areas of fog after midnight. Chance of rain 60 percent. Lows 35 to 40.
Monday
Areas of fog in the morning. Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 55.
Monday Night
Mostly cloudy. A chance of rain showers, mainly in the evening. Patchy fog after midnight. Chance of rain 30 percent. Lows 30 to 35.
Tuesday
Partly cloudy. A slight chance of rain showers in the morning. Patchy fog in the morning. Chance of rain 20 percent. Highs 47 to 52.
Tuesday Night
Partly cloudy. A chance of rain and snow showers after midnight. Areas of fog after midnight. Chance of precipitation 40 percent. Lows 26 to 31.
Wednesday And Wednesday Night
Mostly cloudy. A chance of rain and snow showers. Areas of fog in the morning. Areas of fog through the day. Chance of precipitation 50 percent. Highs 43 to 48. Lows 27 to 32.
Thursday
Mostly cloudy. A chance of rain and snow showers in the morning. Areas of fog in the morning. Chance of precipitation 30 percent. Highs 44 to 49.



Basemap Options
Click map to change the forecast location
Loading map...
1136 PM MST Thu Nov 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database