Alert archive / Tennessee / Grainger County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Grainger County, Tennessee, 2026

16 severe thunderstorm warnings in 2026. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Grainger County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Severe Thunderstorm Warnings
16
Busiest month
March5 severe thunderstorm warnings
Busiest day
March 16, 20264 severe thunderstorm warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Feb 20, 5:50 AM ESTSevere Thunderstorm WarningMRX40 min
Mar 16, 3:21 AM EDTSevere Thunderstorm WarningMRX54 min
Mar 16, 3:47 AM EDTSevere Thunderstorm WarningMRX58 min
Mar 16, 3:50 AM EDTSevere Thunderstorm WarningMRX55 min
Mar 16, 4:40 AM EDTSevere Thunderstorm WarningMRX35 min
Mar 21, 5:08 PM EDTSevere Thunderstorm WarningMRX39 min
May 22, 5:44 PM EDTSevere Thunderstorm WarningMRX61 min
May 22, 6:33 PM EDTSevere Thunderstorm WarningMRX57 min
Jun 18, 6:31 PM EDTSevere Thunderstorm WarningMRX32 min
Jul 28, 9:44 AM EDTSevere Thunderstorm WarningMRX46 min
Aug 11, 8:29 PM EDTSevere Thunderstorm WarningMRX61 min
Aug 17, 4:07 PM EDTSevere Thunderstorm WarningMRX53 min
Aug 17, 4:27 PM EDTSevere Thunderstorm WarningMRX48 min
Aug 17, 4:43 PM EDTSevere Thunderstorm WarningMRX62 min
Aug 17, 4:46 PM EDTSevere Thunderstorm WarningMRX44 min
Sep 18, 7:03 PM EDTSevere Thunderstorm WarningMRX29 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 16, 20264severe thunderstorm warnings
  2. August 17, 20264severe thunderstorm warnings
  3. May 22, 20262severe thunderstorm warnings
  4. February 20, 20261severe thunderstorm warnings
  5. March 21, 20261severe thunderstorm warnings
  6. June 18, 20261severe thunderstorm warnings
  7. July 28, 20261severe thunderstorm warnings
  8. August 12, 20261severe thunderstorm warnings
  9. September 18, 20261severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.