Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, 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.

Fair

79°F

26°C

Humidity	82%
Wind Speed	Calm
Barometer	29.90 in (1011.6 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	19 Aug 5:53 am CDT

More Information:

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

Extended Forecast for

Fort Smith AR

Extreme Heat Warning August 19, 05:56am until August 19, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 19, 05:56am until August 19, 09:00pm
NOW until 9:00pm Wed
Extreme Heat Warning
Today
High: 108 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 79 °F
Mostly Clear
then Slight
Chance
T-storms
Thursday
High: 103 °F
Slight Chance
T-storms
Thursday Night
Low: 76 °F
Mostly Clear
Friday
High: 102 °F
Hot
Friday Night
Low: 76 °F
Mostly Clear
Saturday
High: 103 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 76 °F
Mostly Clear

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 108. Heat index values as high as 112. Light southwest wind becoming west 5 to 10 mph in the morning.

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 79. South wind 5 to 10 mph becoming light and variable after midnight.

Thursday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

Thursday Night

Mostly clear, with a low around 76. Northeast wind around 5 mph.

Friday

Sunny and hot, with a high near 102. East wind around 5 mph.

Friday Night

Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. Calm wind becoming west around 5 mph.

Saturday Night

Mostly clear, with a low around 76. East wind around 5 mph.

Sunday

Sunny and hot, with a high near 103. East wind around 5 mph becoming south in the afternoon.