Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

89°F

32°C

Humidity 57%
Wind Speed E 6 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 20 Aug 11:53 pm CDT
Extended Forecast for

Ozark ARSimilar City Names

Heat Advisory August 21, 12:00pm until August 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: A 20 percent chance of showers after 4am.  Mostly clear, with a low around 73. East wind around 5 mph.

    Low: 73 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 102. Heat index values as high as 111. East wind around 5 mph.  Chance of precipitation is 20%.

    High: 102 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 4am, then a slight chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 73. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 99. Heat index values as high as 109. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 30%.

    High: 99 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 70. East wind around 5 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 97. East wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 97. East wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly clear, with a low around 73. East wind around 5 mph.
Friday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 102. Heat index values as high as 111. East wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 99. Heat index values as high as 109. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 97. East wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. East wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 97. 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 72. East wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 101. Southeast wind around 10 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72. South wind 5 to 10 mph becoming east after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99. East wind around 5 mph becoming west in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. East wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. East wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Ozark ARSimilar City Names
 35.49°N 93.84°W
11:50 pm CDT Aug 20, 2026
12am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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