Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

72°F

22°C

Humidity	60%
Wind Speed	W 4 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	01 Aug 12:20 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Oregon Lower Treasure Valley

Tonight

Mostly clear. Patchy smoke this evening, then smoke after midnight. Lows 64 to 70. Southeast winds up to 10 mph this evening, shifting to west after midnight.

Saturday

Sunny. Areas of smoke. Highs 97 to 102. West winds 10 to 15 mph. Gusts to 25 mph in the afternoon.

Saturday Night

Decreasing clouds. Patchy smoke in the evening, then areas of smoke after midnight. Lows 59 to 64. Windy. Northwest winds 15 to 25 mph with gusts to 45 mph.

Sunday

Areas of smoke in the morning. Sunny. Not as warm with highs 84 to 89. Windy. Northwest winds 15 to 25 mph with gusts to 35 mph in the morning, decreasing to 10 to 15 mph in the afternoon.

Sunday Night

Mostly clear. Lows 54 to 59. Breezy. Northwest winds 10 to 20 mph with gusts to 30 mph.

Monday

Sunny. Highs 84 to 89. Breezy.

Monday Night Through Tuesday Night

Mostly clear. Lows 54 to 63. Highs 89 to 94.

Wednesday Through Friday

Mostly clear. Highs 95 to 101. Lows 62 to 69.