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Extreme Heat Warning EXTREME HEAT WARNING - Hardeman  - Madison
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NWS Memphis Regional Radar WU Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 21-Jul-2026 2:35pm - next update at 2:40pm  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 99.3, Max: 100.2, Min: 76.5 99.3°F
Warmer 0.6°F than last hour.

Extreme Heat Danger

Feels like: 172°F

24-hr difference
1.3°FWarmer 1.3°F than yesterday at this time.
  Today Yesterday
High: 100.2°F
1:40pm 		104.7°F
4:22pm
Low: 76.5°F
5:01am 		73.9°F
2:27am
Wind from ESE ESE
2
Gust:
 3 mph
1 Bft - Light air
Today: 6 mph 2:10pm
Gust Month: 10 mph July 11
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.01 in
This Month: 1.12 in
Season Total: 22.14 in
7 rain days in July.
Tonight

Tonight: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely
Humidity & Barometer Almanac Moon
Humidity: 90 % Decreased 5.0% since last hour.
Dew Point: 95.9°F Decreased 1.0°F since last hour.
Barometer: 0 inHg  
Baro Trend: Steady
Sunrise: 5:55am
Sunset: 8:06pm
Moonset: 12:00am
Moonrise: 1:42pm
Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
54%
Illuminated
UV Index Forecast UV Index Forecast
21-Jul-2026
10.6     Very High 
22-Jul-2026
10.0     Very High 
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 96 °F		 NWS forecast: A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 111. South southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
 
Tonight

Tonight: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely

Lo 74 °F		 NWS forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms likely between 10pm and 3am. Mostly cloudy, with a low around 74. Heat index values as high as 107. Northwest wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.