Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

79°F

26°C

Humidity 18%
Wind Speed NNW 11 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Sep 04:35 PM MDT
Detailed forecast for

Oregon Lower Treasure Valley

Tonight
Mostly clear. Lows 42 to 47. Northwest winds up to 10 mph with gusts to 20 mph.
Tuesday
Sunny. Highs 76 to 81. West winds up to 10 mph.
Tuesday Night
Mostly clear. Lows 45 to 52. Northwest winds up to 10 mph.
Wednesday
Sunny. Highs 76 to 81. Northwest winds up to 10 mph.
Wednesday Night
Mostly clear. Lows 45 to 51. Light winds.
Thursday Through Friday
Mostly clear. Highs 77 to 83. Lows 48 to 54.
Friday Night
Partly cloudy. Lows 47 to 53.
Saturday Through Sunday
Mostly clear. Highs 77 to 83. Lows 46 to 53.
Sunday Night
Partly cloudy. Lows 47 to 53.
Monday
Sunny. Highs 79 to 84.



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230 PM MDT Mon Sep 28 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database