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

Hazardous Weather Conditions

Current conditions at

Russelville Municipal Airport (KRUE)

Lat: 35.26°NLon: 93.09°WElev: 374ft.

Fair

78°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 29.97 in (1013.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Aug 1:53 am CDT
Extended Forecast for

Knoxville AR

Heat Advisory August 19, 12:00pm until August 19, 08:00pm
Extreme Heat Warning until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 18, 08:00pm

    NOW until 8:00pm Mon

    Extreme Heat Warning

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 102. Heat index values as high as 111. Calm wind.

    High: 102 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. Heat index values as high as 110. Calm wind becoming northeast around 5 mph.

    High: 103 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. North northeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 96. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 96 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. North northeast wind around 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. East northeast wind around 5 mph.

    High: 94 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 102. Heat index values as high as 111. Calm wind.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 77. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 103. Heat index values as high as 110. Calm wind becoming northeast around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 96. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. North northeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. East northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 71. Northeast wind around 5 mph.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville AR
 35.37°N 93.38°W (Elev. 367 ft)
Last Update:
1:35 am CDT Aug 18, 2025
Forecast Valid:
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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