Weather Alerts Map

Lewisville weather alerts

There are no active weather alerts for Lewisville, TX right now.

The National Weather Service issues alerts for Lewisville as part of Denton County.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornado history within 25 miles of Lewisville

176 tornadoes have been recorded within 25 miles of Lewisville since 1950, killing 12 people and injuring 430. The most recent was on August 28, 2025 (rated unknown).

EF0: 70EF070EF1: 66EF166EF2: 29EF229EF3: 10EF310EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes within 25 miles of Lewisville

DateRatingCountyPath lengthWidthDeathsInjuries
April 2, 1957F3Dallas County17.2 mi100 yd10200
October 12, 1969F3Dallas County45.9 mi200 yd02
October 20, 2019EF3Dallas County15.8 mi1,300 yd00
December 13, 1984F3Dallas County10 mi500 yd028
March 28, 2000F3Tarrant County8 mi300 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
August 28, 2025?Denton County0 mi20 yd00
April 30, 2025EF0Denton County0.1 mi25 yd00
March 4, 2025EF1Dallas County0.4 mi85 yd00
May 25, 2024EF3Collin County0.7 mi175 yd00
May 25, 2024EF1Collin County8.3 mi800 yd00

Texas tornado history and map →

How often alerts are issued for Denton County

Alert type2016–2025Last issued
Severe Thunderstorm Warning310August 26, 2026
Flood Advisory142September 21, 2026
Flood Warning100June 20, 2026
Severe Thunderstorm Watch95July 5, 2026
Wind Advisory84October 16, 2026
Dense Fog Advisory71November 1, 2026
Heat Advisory59September 12, 2026
Flash Flood Warning55October 1, 2026
Flood Watch43September 30, 2026
Tornado Watch42April 28, 2026

Full Denton County alert history →

About Lewisville

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