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

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

101°F

38°C

Humidity	30%
Wind Speed	Vrbl 6 mph
Barometer	29.94 in (1013.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	104°F (40°C)
Last update	21 Aug 5:53 pm CDT

More Information:

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

Extended Forecast for

Arkoma OK

Heat Advisory August 21, 06:29pm until August 21, 08:00pm

Click here for hazard details and duration

...

Heat Advisory August 21, 06:29pm until August 21, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Tonight
Low: 76 °F
Slight Chance
T-storms
Saturday
High: 99 °F
Chance
T-storms
Saturday Night
Low: 75 °F
Slight Chance
T-storms
Sunday
High: 98 °F
Slight Chance
T-storms then
Mostly Sunny
Sunday Night
Low: 76 °F
Chance
T-storms
Monday
High: 99 °F
Slight Chance
T-storms
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 103 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 7pm. Increasing clouds, with a low around 76. North wind around 5 mph becoming calm in the evening.

Saturday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 99. Heat index values as high as 104. Calm wind becoming east around 5 mph in the afternoon.

Saturday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. East wind around 5 mph. Chance of precipitation is 20%.

Sunday

A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 98. Heat index values as high as 104. Southeast wind 5 to 10 mph.

Sunday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. East wind around 10 mph.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 99. East wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 77. East wind 5 to 15 mph, with gusts as high as 20 mph.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. East wind 5 to 10 mph becoming southwest in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. East wind 5 to 10 mph.

Wednesday

Mostly sunny and hot, with a high near 100. East wind around 5 mph becoming west in the afternoon.

Wednesday Night

Mostly clear, with a low around 75. Northeast wind around 5 mph becoming calm in the evening.

Thursday

Sunny and hot, with a high near 100. Calm wind becoming northeast around 5 mph in the afternoon.

Thursday Night

A 20 percent chance of showers. Mostly clear, with a low around 75. East wind around 5 mph.

Friday

Sunny and hot, with a high near 100. East wind around 5 mph becoming south in the afternoon.