Tomorrow | Weather | Clarksville, Tennessee

Active Weather Warnings
Saturday, September 19, 2026
Sunny with a Chance of Thunderstorms
Day 100°
Night 73°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 19, 2025)
Cloudy Night

Day

93°

Night

64°

Wind

4 mph

Precipitation

55 %

Weather Alerts and Warnings for

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 17 at 9:51PM CDT until September 20 at 7:00PM CDT by NWS Nashville TN
Sep 17, 9:51 PM Sep 20, 7:00 PM
WHAT: Heat index values up to 108 expected.

WHERE: Across Middle Tennessee.

WHEN: Until 7 PM CDT Sunday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Sep 18, 11:40 AM Source: NWS Alert