Cobb County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026
Has it hailed in Cobb County, Georgia recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 34 hail reports with hail up to 0.75", among 46 severe weather events logged here in the last 12 months, together with 12 high-wind reports with gusts up to 50 mph. The most recent recorded storm activity was in September 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
Last 30 days in Cobb County
Recent storms — full detail available in the app
Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.
See the specifics — free →Storm log — the official record, day by day
Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.
Sunday, August 9, 2026
1 NWS warning — hail up to 0.25"
“At 538 PM EDT, a strong thunderstorm was over Jim R Miller Park, or near Marietta, moving northeast at 10 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Saturday, August 8, 2026
1 NWS warning — hail up to 0.25"
“At 924 PM EDT, a strong thunderstorm was near Mount Bethel, or near Mountain Park, moving north at 10 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Wednesday, August 5, 2026
1 NWS warning — hail up to 0.25"
“At 231 PM EDT, a strong thunderstorm was over Dobbins Air Reserve Base, or near Marietta, moving northeast at 10 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Wednesday, July 29, 2026
1 NWS warning — hail up to 0.25"
“At 1217 AM EDT, a line of strong thunderstorms was along a line extending from near New Hope to near Panola Mountain State Park, and moving south at 30 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Tuesday, July 28, 2026
1 SPC verified storm report · 1 NWS warning — hail up to 0.25"
“At 1150 PM EDT, a line of strong thunderstorms was along a line extending from Hobgood Park to near Snellville, and moving southwest at 20 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
“Multiple trees down... Chimney blown off home... Deck damaged... Windows blown out on back of home. (FFC)”
- Hail 0.25" Cobb County NWS severe weather mention
- Wind Unknown 2 SSW Kennesaw SPC verified report
Thursday, July 16, 2026
1 NWS warning — hail up to 0.25"
“At 427 PM EDT, a strong thunderstorm was over Powder Springs, or 8 miles southeast of Dallas, moving southeast at 10 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Sunday, July 12, 2026
1 NWS warning — hail up to 0.25"
“At 810 PM EDT, a strong thunderstorm was over Sandtown, or near City of South Fulton, moving northeast at 20 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Saturday, July 11, 2026
2 NWS warnings — hail up to 0.25"
“At 429 PM EDT, a strong thunderstorm was over Euharlee, or near Cartersville, moving east at 25 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
“At 314 PM EDT, a strong thunderstorm was over Dallas, moving east at 10 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
Friday, July 10, 2026
3 NWS warnings — hail up to 0.75"
“At 731 PM EDT, a strong thunderstorm was over Dallas, moving east at 15 mph. Hazard: 40 to 50 mph wind, up to penny sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include... Dallas, Powder Springs, Hiram, New Hope, and Lost Mountain Park.”
“At 346 PM EDT, a strong thunderstorm was over Vinings, or 7 miles north of Atlanta, moving east at 15 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.75" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
Thursday, July 9, 2026
1 SPC verified storm report · 2 NWS warnings — hail up to 0.75", wind gusts up to 50 mph
“At 319 PM EDT, a strong thunderstorm was over Acworth, or 8 miles southeast of Cartersville, moving east at 25 mph. Hazard: 40 to 50 mph wind, frequent cloud to ground lightning and heavy rain. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include...”
“At 329 PM EDT, a strong thunderstorm was over Marietta, moving east at 25 mph. Hazard: 40 to 50 mph wind, up to penny sized hail, frequent cloud to ground lightning and heavy rain. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include...”
- Wind 50 mph Cobb County NWS severe weather mention
- Hail 0.75" Cobb County NWS severe weather mention
- Wind Unknown 2 SSW Oak Grove SPC verified report
Sunday, July 5, 2026
1 SPC verified storm report · 1 NWS warning — hail up to 0.25"
“At 617 PM EDT, a strong thunderstorm was over Bill Arp, or 7 miles southwest of Douglasville, moving northeast at 5 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
“2 INJ Tree limb fell at Six Flags over Georgia seriously injuring 2 people. (FFC)”
- Hail 0.25" Cobb County NWS severe weather mention
- Wind Unknown Six Flags Over Georgia SPC verified report
Saturday, July 4, 2026
1 NWS warning — hail up to 0.75"
“At 600 PM EDT, a strong thunderstorm was over Sandtown, or near Atlanta. This storm was nearly stationary. Hazard: 40 to 50 mph wind, up to penny sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.75" Cobb County NWS severe weather mention
Friday, July 3, 2026
1 SPC verified storm report · 4 NWS warnings — hail up to 0.25"
“At 311 PM EDT, a strong thunderstorm was over Kennesaw, or 8 miles northwest of Marietta, moving northwest at 10 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
“At 254 PM EDT, a strong thunderstorm was over Roswell, or near Mountain Park, moving northwest at 15 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
- Wind Unknown 3 ESE Cross Roads SPC verified report
Thursday, July 2, 2026
2 NWS warnings — hail up to 0.25"
“At 717 PM EDT, a strong thunderstorm was over Brownsville, or near Douglasville, moving west at 10 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
“At 556 PM EDT, a strong thunderstorm was near New Georgia, or near Dallas, moving southwest at 10 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include... Douglasville, Dallas, Villa Rica, Powder Springs, Austell, Hiram, Brownsville, and New Georgia.”
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
Sunday, June 14, 2026
2 NWS warnings — wind gusts up to 50 mph
“At 800 PM EDT, a line of strong thunderstorms was along a line extending from Lake Lanier Islands to near Austell to near I 20 Welcome Center, and moving east at 35 mph. Hazard: 40 to 50 mph wind and heavy rain. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Heavy rain may cause temporary street flooding especially in poor drainage areas.”
“At 734 PM EDT, a line of strong thunderstorms was along a line extending from Union Hill to New Hope, and moving southeast at 35 mph. Hazard: 40 to 50 mph wind, frequent cloud to ground lightning and heavy rain. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Heavy rain may cause temporary street flooding especially in poor drainage areas.”
- Wind 50 mph Cobb County NWS severe weather mention
- Wind 50 mph Cobb County NWS severe weather mention
Sunday, May 24, 2026
1 NWS warning — wind gusts up to 50 mph
“At 521 PM EDT, a strong thunderstorm was over Lost Mountain Park, or near Marietta, moving north at 20 mph. Hazard: 40 to 50 mph wind, frequent cloud to ground lightning and heavy rain. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include...”
- Wind 50 mph Cobb County NWS severe weather mention
Saturday, May 23, 2026
2 NWS warnings — hail up to 0.25"
“At 426 PM EDT, a strong thunderstorm was over Bolton, or near Atlanta, moving northeast at 15 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
“At 359 PM EDT, a strong thunderstorm was over Sweetwater Creek State Park, or near City of South Fulton, moving north at 15 mph. Hazard: 40 to 50 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
Thursday, May 21, 2026
2 NWS warnings — hail up to 0.25"
“At 230 PM EDT, a strong thunderstorm was over Sweat Mountain, or near Mountain Park, moving northeast at 20 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include... Mountain Park, Roswell, Alpharetta, Woodstock, Sweat Mountain, and Sandy Plains.”
“At 212 PM EDT, a strong thunderstorm was over Cross Roads, or 7 miles northeast of Dallas, moving northeast at 10 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include... Kennesaw, Acworth, Cross Roads, New Hope, Due West, and Lost Mountain Park.”
- Hail 0.25" Cobb County NWS severe weather mention
- Hail 0.25" Cobb County NWS severe weather mention
Sunday, May 17, 2026
1 NWS warning — hail up to 0.25"
“At 358 PM EDT, a strong thunderstorm was over Cascade Heights, or near Atlanta, moving north at 10 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Wednesday, May 6, 2026
1 NWS warning — hail up to 0.25"
“At 605 PM EDT, a strong thunderstorm was over I 20 Welcome Center, or 12 miles east of Heflin, moving northeast at 55 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Saturday, April 25, 2026
1 NWS warning — hail up to 0.25"
“At 845 PM EDT, a strong thunderstorm was over Cartersville, moving southeast at 10 mph. Hazard: Up to 40 mph wind, pea sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.25" Cobb County NWS severe weather mention
Friday, March 6, 2026
1 NWS warning — hail up to 0.75"
“At 704 PM EST, a strong thunderstorm was over Smyrna, or near Atlanta, moving north at 20 mph. Hazard: 40 to 50 mph wind, up to penny sized hail and frequent cloud to ground lightning. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Locations impacted include...”
- Hail 0.75" Cobb County NWS severe weather mention
Friday, December 19, 2025
1 NWS warning — wind gusts up to 50 mph
“At 1243 AM EST, a line of strong thunderstorms was along a line extending from Hightower to Austell, and moving east at 50 mph. Hazard: 40 to 50 mph wind and heavy rain. Impact: Expect minor damage to tree limbs and blowing around of light, unsecured objects. Heavy rain may cause temporary street flooding especially in poor drainage areas. Locations impacted include...”
- Wind 50 mph Cobb County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Cobb County, GA?
The most recent recorded event was in September 2026. Official NWS and SPC records show 46 severe weather events in Cobb County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Cobb County recently?
Yes — 34 hail reports in the last 12 months, with hail up to 0.75" recorded.
How do I check whether a specific address was affected?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.