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

Hazardous Weather Conditions

Current conditions at

Dyersburg, Dyersburg Municipal Airport (KDYR)

Lat: 36°NLon: 89.4°WElev: 338ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles SW Unionville TN

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. North wind around 5 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 71. Northeast wind around 5 mph becoming south southeast after midnight.

    Low: 71 °F

    Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind around 5 mph becoming north in the morning.

    High: 99 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 75. South wind around 5 mph becoming northeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Northeast wind around 5 mph.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 90. North wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 68. North northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. North wind around 5 mph.
Tonight
Clear, with a low around 71. Northeast wind around 5 mph becoming south southeast after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. South southeast wind around 5 mph becoming north in the morning.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 75. South wind around 5 mph becoming northeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Northeast wind around 5 mph.
Friday
Sunny, with a high near 90. North wind 5 to 10 mph.
Friday Night
Clear, with a low around 68. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 91.
Sunday Night
A 20 percent chance of showers. Mostly clear, with a low around 68.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Unionville TN
 35.92°N 89.49°W (Elev. 400 ft)
Last Update:
12:15 pm CDT Aug 18, 2026
Forecast Valid:
12pm CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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