Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

66°F

19°C

Humidity	59%
Wind Speed	E 3 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	22 Aug 06:55 AM MDT

More Information:

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

Extended Forecast for

Ontario Municipal OR

Today
High: 99 °F
Mostly Cloudy
then Slight
Chance
T-storms
Tonight
Low: 63 °F
Slight Chance
T-storms then
Patchy Smoke
Sunday
High: 92 °F
Hot
Sunday Night
Low: 60 °F
Partly Cloudy
Monday
High: 94 °F
Hot
Monday Night
Low: 63 °F
Mostly Cloudy
Tuesday
High: 96 °F
Hot
Tuesday Night
Low: 65 °F
Partly Cloudy
Wednesday
High: 94 °F
Hot

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny and hot, with a high near 99. Calm wind becoming south southeast 5 to 9 mph in the morning.

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Patchy smoke after 4am. Partly cloudy, with a low around 63. Southwest wind 11 to 16 mph becoming west southwest 5 to 10 mph in the evening. Winds could gust as high as 30 mph.

Sunday

Sunny and hot, with a high near 92. West northwest wind 5 to 8 mph.

Sunday Night

Partly cloudy, with a low around 60. Northwest wind 7 to 14 mph.

Monday

Mostly sunny and hot, with a high near 94. Northwest wind around 6 mph becoming calm in the morning.

Monday Night

Mostly cloudy, with a low around 63.

Tuesday

Sunny and hot, with a high near 96.

Tuesday Night

Partly cloudy, with a low around 65.