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 >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

99°F

37°C

Humidity	18%
Wind Speed	N 0 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	21 Aug 05:00 PM MDT

More Information:

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

Extended Forecast for

Nyssa OR

Wind Advisory August 21, 06:00pm until August 21, 10:00pm

Heat Advisory August 21, 05:17pm until August 21, 09:00pm

Click here for hazard details and duration

...

Heat Advisory August 21, 05:17pm until August 21, 09:00pm
NOW until 9:00pm Fri
Heat Advisory
Tonight
Low: 69 °F
Slight Chance
T-storms then
Mostly Cloudy
Saturday
High: 97 °F
Hot
Saturday Night
Low: 64 °F
Chance
T-storms then
Mostly Cloudy
Sunday
High: 92 °F
Hot
Sunday Night
Low: 60 °F
Mostly Clear
Monday
High: 93 °F
Hot
Monday Night
Low: 64 °F
Partly Cloudy
Tuesday
High: 95 °F
Hot

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 69. Light and variable wind becoming southwest 9 to 14 mph.

Saturday

Mostly cloudy, then gradually becoming sunny and hot, with a high near 97. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

Saturday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64. West wind 7 to 14 mph becoming east southeast in the evening.

Sunday

Sunny and hot, with a high near 92. West wind 5 to 7 mph.

Sunday Night

Mostly clear, with a low around 60. West northwest wind 7 to 9 mph.

Monday

Mostly sunny and hot, with a high near 93.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Mostly sunny and hot, with a high near 95.

Tuesday Night

Partly cloudy, with a low around 65.