Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Thunderstorm Heavy Rain

82°F

28°C

Humidity	72%
Wind Speed	W 8 G 24 mph
Barometer	29.88 in (1011.1 mb)
Dewpoint	72°F (22°C)
Visibility	3.00 mi
Heat Index	87°F (31°C)
Last update	19 Aug 10:53 pm CDT

More Information:

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

Extended Forecast for

Arkoma OK

Heat Advisory August 20, 01:00pm until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 79 °F
Chance
T-storms
Thursday
High: 104 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 75 °F
Mostly Clear
Friday
High: 104 °F
Hot
Friday Night
Low: 75 °F
Mostly Clear
then Slight
Chance
T-storms
Saturday
High: 102 °F
Slight Chance
T-storms then
Slight Chance
Showers
Saturday Night
Low: 75 °F
Mostly Clear
Sunday
High: 99 °F
Sunny
Sunday Night
Low: 76 °F
Partly Cloudy
then Slight
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy early, then becoming clear, with a low around 79. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 104. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon.

Thursday Night

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

Friday

Sunny and hot, with a high near 104. Heat index values as high as 107. East wind around 5 mph becoming calm.

Friday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm after midnight.

Saturday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny and hot, with a high near 102. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 75. East wind around 5 mph.

Sunday

Sunny, with a high near 99. Southeast wind 5 to 10 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Southeast wind around 10 mph.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 102. East wind 10 to 15 mph becoming south in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. Southeast wind 5 to 15 mph.

Tuesday

Sunny and hot, with a high near 103. Southeast wind 5 to 10 mph becoming southwest in the afternoon.