Home Weather 7/21/26: Moderate Flood Watch Issued, Overcast, High 97, Low 85, Winds Up...

7/21/26: Moderate Flood Watch Issued, Overcast, High 97, Low 85, Winds Up to 12, Precipitation Chance 35%

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Heat Advisory

* WHAT…Heat index values up to 110.

* WHERE…A portion of Middle Tennessee.

* WHEN…Until 8 PM CDT Tuesday.

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

From 2026-07-21T00:15:00+00:00 · until 2026-07-22T01:00:00+00:00 · Source: NWS Nashville TN
Flood Watch

* WHAT…Flooding caused by excessive rainfall is 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 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. Some areas could have several inches of rain resulting in 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

A Moderate Flood Watch is in effect for Sumner County from 11:00 PM tonight until 12:00 PM tomorrow.

At 5:50 AM, the current temperature in Sumner County is 77.4°F with a light wind from the southeast at 4.3 mph. The sky is overcast, and there has been no recorded precipitation.

Today’s forecast indicates a high of 96.8°F and a low of 77.4°F. Winds may increase throughout the day, reaching speeds of up to 12.1 mph, with a 35% chance of precipitation. The overcast conditions are expected to persist.

Tonight, temperatures will drop to a low of 85.1°F with winds up to 11.2 mph. The chance of precipitation remains at 35%, and overcast skies will continue. Residents are advised to remain alert for potential flooding, especially overnight.

Today's Details

High
97°F
Low
77°F
Wind
12 mph
Humidity
93%
UV Index
7.8 (High)
Precip
35% chance · 0 in
Now
77°F · feels 87°F
Sunrise
5:44am
Sunset
8:00pm

7-Day Forecast

Day High Low Conditions
Tuesday 97°F 77°F Overcast
Wednesday 92°F 74°F Rain showers: slight
Thursday 82°F 64°F Overcast
Friday 79°F 67°F Overcast
Saturday 87°F 67°F Rain showers: slight
Sunday 97°F 74°F Drizzle: light
Monday 98°F 79°F Overcast

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