National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Russellville Regional Airport (KRUE)

Lat: 35.26°NLon: 93.09°WElev: 374ft.

Fair

92°F

33°C

Humidity 56%
Wind Speed S 5 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 18 Aug 12:53 pm CDT
Extended Forecast for

Clarksville AR

Extreme Heat Warning August 19, 11:00am until August 19, 08:00pm
Extreme Heat Warning August 18, 01:15pm until August 18, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
Extreme Heat Warning
  •  
    Extreme Heat Warning August 18, 01:15pm until August 18, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 103 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 73. Calm wind becoming east around 5 mph.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 106. Heat index values as high as 112. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 106 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. West wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. Calm wind becoming east around 5 mph in the afternoon.

    High: 100 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Calm wind becoming east around 5 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. East northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 103. Heat index values as high as 113. Calm wind.
Tonight
Clear, with a low around 73. Calm wind becoming east around 5 mph.
Wednesday
Sunny and hot, with a high near 106. Heat index values as high as 112. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 100. Calm wind becoming east around 5 mph.
Friday Night
Mostly clear, with a low around 71. East northeast wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming west northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny and hot, with a high near 102.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clarksville AR
 35.47°N 93.48°W (Elev. 397 ft)
Last Update:
12:35 pm CDT Aug 18, 2026
Forecast Valid:
1pm CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation