Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

haze

91°F

33°C

Humidity	36%
Wind Speed	N 0 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	61°F (16°C)
Visibility	6.00 mi
Heat Index	91°F (33°C)
Last update	23 Jul 02:00 PM MDT

More Information:

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

Extended Forecast for

Ontario OR

Heat Advisory until July 25, 09:00pm

Red Flag Warning July 24, 02:00pm until July 25, 09:00pm

Red Flag Warning July 23, 02:21pm until July 23, 09:00pm

Click here for hazard details and duration

Heat Advisory

Red Flag Warning

Heat Advisory until July 25, 09:00pm
Red Flag Warning July 23, 02:21pm until July 23, 09:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 103 °F
Patchy Smoke
Tonight
Low: 71 °F
Chance
T-storms then
Patchy Smoke
Friday
High: 105 °F
Areas Smoke
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 102 °F
Hot
Saturday Night
Low: 68 °F
Clear
Sunday
High: 98 °F
Hot
Sunday Night
Low: 65 °F
Clear

Detailed Forecast

This Afternoon

Patchy smoke. Sunny and hot, with a high near 103. Light south southeast wind.

Tonight

A 30 percent chance of showers and thunderstorms before 9pm. Patchy smoke. Mostly clear, with a low around 71. Light and variable wind becoming north northwest 5 to 7 mph.

Friday

Areas of smoke before 3pm. Sunny and hot, with a high near 105. Calm wind becoming west around 6 mph in the afternoon.

Friday Night

Mostly clear, with a low around 70. West northwest wind around 5 mph becoming calm in the evening.

Saturday

Sunny and hot, with a high near 102. West southwest wind 3 to 7 mph.

Saturday Night

Clear, with a low around 68.

Sunday

Sunny and hot, with a high near 98.

Sunday Night

Clear, with a low around 65.