Home Weather 7/21/26: Moderate Flood Watch Issued; Clear Skies with Highs Near 92 and...

7/21/26: Moderate Flood Watch Issued; Clear Skies with Highs Near 92 and Evening Low of 84

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Heat Advisory

* WHAT…Heat index values up to 110.

* WHERE…Middle Tennessee.

* WHEN…Until 8 PM CDT this evening.

* IMPACTS…Hot temperatures and high humidity may cause heat illnesses.

From 2026-07-21T11:42:00+00:00 · until 2026-07-22T01:00:00+00:00 · Source: NWS Nashville TN
Flood Watch

* WHAT…Flooding caused by excessive rainfall continues to be possible.

* WHERE…A portion of Middle Tennessee, including the following counties, Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland, Davidson, De Kalb, Dickson, Fentress, Giles, Hickman, Humphreys, Jackson, Lawrence, Lewis, Macon, Marshall, Maury, Overton, Perry, Pickett, Putnam, Rutherford, Smith, Sumner, Trousdale, Van Buren, Warren, Wayne, White, Williamson and Wilson.

* WHEN…From 6 PM CDT this evening through Wednesday morning.

* IMPACTS…Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS… – Thunderstorms with locally torrential downpours will develop across Middle Tennessee this evening producing rainfall totals greater than 2 inches which could cause flash flooding. – http://www.weather.gov/safety/flood

From 2026-07-21T23:00:00+00:00 · until 2026-07-22T12:00:00+00:00 · Source: NWS Nashville TN
Severe Thunderstorm Watch

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 510 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS

IN TENNESSEE THIS WATCH INCLUDES 27 COUNTIES

IN MIDDLE TENNESSEE

CANNON CHEATHAM CLAY CUMBERLAND DAVIDSON DE KALB DICKSON FENTRESS HICKMAN HOUSTON HUMPHREYS JACKSON MACON MONTGOMERY OVERTON PERRY PICKETT PUTNAM ROBERTSON RUTHERFORD SMITH STEWART SUMNER TROUSDALE WHITE WILLIAMSON WILSON

THIS INCLUDES THE CITIES OF ALLARDT, ASHLAND CITY, BRENTWOOD, BYRDSTOWN, CARTHAGE, CELINA, CENTERVILLE, CLARKSVILLE, COOKEVILLE, CROSSVILLE, DICKSON, DOVER, ERIN, FRANKLIN, GAINESBORO, GALLATIN, GOODLETTSVILLE, GORDONSVILLE, HARTSVILLE, HENDERSONVILLE, JAMESTOWN, KINGSTON SPRINGS, LA VERGNE, LAFAYETTE, LEBANON, LINDEN, LIVINGSTON, LOBELVILLE, MCEWEN, MOUNT JULIET, MURFREESBORO, NASHVILLE, NEW JOHNSONVILLE, PEGRAM, SMITHVILLE, SMYRNA, SOUTH CARTHAGE, SPARTA, SPRINGFIELD, TENNESSEE RIDGE, WAVERLY, AND WOODBURY.

From 2026-07-21T22:10:00+00:00 · until 2026-07-22T05:00:00+00:00 · Source: NWS Nashville TN

A Moderate Flood Watch is currently in effect for Cannon County and surrounding areas, valid from 11:00 PM tonight until 12:00 PM tomorrow.

At 7:00 PM, the temperature in Cannon County stands at 90.5°F with a light wind from the southwest at 9.2 mph. The sky is clear, and there has been no recorded precipitation today.

Earlier today, the high reached 91.9°F, with a low of 75°F. Winds peaked at 11 mph, with a 22% chance of precipitation leading to a light drizzle totaling 0.01 in. Tonight’s low is expected to drop to 83.5°F, accompanied by winds up to 10.5 mph, and a continued 22% chance of precipitation, with mainly clear conditions.

In addition to the Moderate Flood Watch, a Minor Heat Advisory and a Moderate Severe Thunderstorm Watch are also active. Residents should remain vigilant for possible flooding due to excessive rainfall overnight.

Today's Details

High
92°F
Low
75°F
Wind
11 mph
Humidity
54%
UV Index
7.3 (High)
Precip
22% chance · 0.01 in
Now
91°F · feels 95°F
Sunrise
5:44am
Sunset
7:57pm

7-Day Forecast

Day High Low Conditions
Tuesday 92°F 75°F Drizzle: light
Wednesday 87°F 74°F Rain showers: violent
Thursday 84°F 67°F Overcast
Friday 86°F 65°F Drizzle: light
Saturday 85°F 68°F Rain showers: slight
Sunday 94°F 72°F Thunderstorm: slight or moderate
Monday 95°F 75°F Thunderstorm: slight or moderate

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