Home Weather 7/21/26: Moderate Flood Watch Issued; Overcast with High 96 and Low 79,...

7/21/26: Moderate Flood Watch Issued; Overcast with High 96 and Low 79, Chance of Moderate Rain Showers Tonight

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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

Moderate Flood Watch is in effect for a portion of Middle Tennessee, including Sumner County, from July 21, 2026, 11:00 PM until July 22, 2026, 12:00 PM.

At 1:51 PM in Sumner County, the temperature is 95.5°F with a wind speed of 9.9 mph. The conditions are currently overcast and there has been no recorded precipitation.

The forecast for today indicates a high of 96.1°F and a low of 77.4°F, with wind gusts expected to reach up to 13.9 mph. There is a 45% chance of moderate rain showers, with a total precipitation forecast of 0.19 in.

Tonight, the temperature will drop to a low of 79.7°F, with winds continuing up to 13.6 mph. The chance of rain remains at 45%, though conditions are expected to be mainly clear.

In addition to the Flood Watch, a Minor Heat Advisory is also active. Residents are urged to take appropriate precautions to stay safe during this hot and potentially wet weather.

Today's Details

High
96°F
Low
77°F
Wind
14 mph
Humidity
52%
UV Index
7.8 (High)
Precip
45% chance · 0.19 in
Now
96°F · feels 106°F
Sunrise
5:44am
Sunset
8:00pm

7-Day Forecast

Day High Low Conditions
Tuesday 96°F 77°F Rain showers: moderate
Wednesday 90°F 74°F Rain showers: violent
Thursday 81°F 65°F Overcast
Friday 83°F 67°F Overcast
Saturday 84°F 66°F Drizzle: moderate
Sunday 96°F 73°F Drizzle: light
Monday 97°F 78°F Overcast

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