Heavy Precipitation in the West; Wintry Mix in the North; Fire Weather in the High Plains

Pacific moisture will continue to bring locally heavy coastal/lower elevation rain and heavy mountain snow to the West Coast and portions of the Intermountain West through Monday. A wintry mix will create hazardous travel across the northern Plains and Upper Midwest into early Monday. Dry, gusty winds are resulting in elevated to critical fire weather in the south/central High Plains. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Mostly Cloudy

45°F

7°C

Humidity 93%
Wind Speed SSE 3 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 04 Jan 06:05 PM MST
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Mostly cloudy with a 40 percent chance of rain. Patchy fog. Lows 31 to 36. Light winds.
Monday
Patchy fog in the morning. Mostly cloudy with a 40 percent chance of rain. Highs 42 to 47. Light winds.
Monday Night
Mostly cloudy. A chance of rain in the evening. Areas of fog. Chance of rain 30 percent. Lows 28 to 33. Light winds.
Tuesday
Mostly cloudy. Areas of fog in the morning. A chance of rain in the afternoon. Chance of rain 30 percent. Highs 41 to 46. Light winds.
Tuesday Night
Mostly cloudy with a 50 percent chance of rain. Lows 29 to 34. Southwest winds 10 to 15 mph.
Wednesday Through Thursday Night
Mostly cloudy with a chance of rain and snow. Chance of precipitation 30 percent. Highs 40 to 47. Lows 24 to 30.
Friday And Friday Night
Partly cloudy. Highs 39 to 44. Lows 22 to 27.
Saturday
Patchy fog in the morning. Mostly sunny. Highs 37 to 42.
Saturday Night And Sunday
Partly cloudy. Lows 22 to 27. Highs 37 to 42.



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208 PM MST Sun Jan 4 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database