Severe Thunderstorm Warning issued August 11 at 9:40AM EDT until August 11 at 10:15AM EDT by NWS Wilmington OHAt 940 AM EDT, a severe thunderstorm was located near Mechanicsburg,
moving east at 50 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to trees and power lines.

Locations impacted include…
Springfield, Dublin, Marysville, London, Jefferson, Plain City, West
Jefferson, South Charleston, Mechanicsburg, North Lewisburg, Choctaw
Lake, New California, Lake Darby, Harmony, Lisbon, Brighton, Milford
Center, Lafayette, South Vienna, and Woodstock.

This includes the following Interstates…
I-70 in Ohio between mile markers 57 and 86.
I-71 in Ohio between mile markers 84 and 87.At 940 AM EDT, a severe thunderstorm was located near Mechanicsburg,
moving east at 50 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to trees and power lines.

Locations impacted include…
Springfield, Dublin, Marysville, London, Jefferson, Plain City, West
Jefferson, South Charleston, Mechanicsburg, North Lewisburg, Choctaw
Lake, New California, Lake Darby, Harmony, Lisbon, Brighton, Milford
Center, Lafayette, South Vienna, and Woodstock.

This includes the following Interstates…
I-70 in Ohio between mile markers 57 and 86.
I-71 in Ohio between mile markers 84 and 87.9:45 AMAugust 11, 2026

Severe Thunderstorm Warning issued August 11 at 9:32AM EDT until August 11 at 10:15AM EDT by NWS Wilmington OHAt 931 AM EDT, a severe thunderstorm was located near Mechanicsburg,
moving east at 45 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to trees and power lines.

Locations impacted include…
Springfield, Dublin, Marysville, Urbana, London, Jefferson,
Northridge, Plain City, West Jefferson, Enon, South Charleston,
Mechanicsburg, North Lewisburg, Choctaw Lake, New California, Lake
Darby, Harmony, Lisbon, Brighton, and Milford Center.

This includes the following Interstates…
I-70 in Ohio between mile markers 50 and 86.
I-71 in Ohio between mile markers 84 and 87.At 931 AM EDT, a severe thunderstorm was located near Mechanicsburg,
moving east at 45 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to trees and power lines.

Locations impacted include…
Springfield, Dublin, Marysville, Urbana, London, Jefferson,
Northridge, Plain City, West Jefferson, Enon, South Charleston,
Mechanicsburg, North Lewisburg, Choctaw Lake, New California, Lake
Darby, Harmony, Lisbon, Brighton, and Milford Center.

This includes the following Interstates…
I-70 in Ohio between mile markers 50 and 86.
I-71 in Ohio between mile markers 84 and 87.9:32 AMAugust 11, 2026

Severe Thunderstorm Warning issued August 11 at 9:22AM EDT until August 11 at 10:15AM EDT by NWS Wilmington OHSVRILN

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for…
Eastern Champaign County in west central Ohio…
Clark County in west central Ohio…
Southern Union County in central Ohio…
Madison County in central Ohio…

* Until 1015 AM EDT.

* At 922 AM EDT, a severe thunderstorm was located over Urbana,
moving east at 50 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to trees and power lines.

* Locations impacted include…
Springfield, Dublin, Marysville, Urbana, London, Jefferson,
Northridge, Plain City, West Jefferson, Enon, South Charleston,
Mechanicsburg, North Lewisburg, Choctaw Lake, New California, Lake
Darby, Harmony, Lisbon, Brighton, and Milford Center.

This includes the following Interstates…
I-70 in Ohio between mile markers 50 and 86.
I-71 in Ohio between mile markers 84 and 87.SVRILN

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for…
Eastern Champaign County in west central Ohio…
Clark County in west central Ohio…
Southern Union County in central Ohio…
Madison County in central Ohio…

* Until 1015 AM EDT.

* At 922 AM EDT, a severe thunderstorm was located over Urbana,
moving east at 50 mph.

HAZARD…60 mph wind gusts.

SOURCE…Radar indicated.

IMPACT…Expect damage to trees and power lines.

* Locations impacted include…
Springfield, Dublin, Marysville, Urbana, London, Jefferson,
Northridge, Plain City, West Jefferson, Enon, South Charleston,
Mechanicsburg, North Lewisburg, Choctaw Lake, New California, Lake
Darby, Harmony, Lisbon, Brighton, and Milford Center.

This includes the following Interstates…
I-70 in Ohio between mile markers 50 and 86.
I-71 in Ohio between mile markers 84 and 87.9:22 AMAugust 11, 2026

Flood Advisory issued August 11 at 9:16AM EDT until August 11 at 12:15PM EDT by NWS Wilmington OH* WHAT…Flooding caused by excessive rainfall is expected.

* WHERE…Delaware County in central Ohio…
Union County in central Ohio…
Champaign County in west central Ohio…
Logan County in west central Ohio…

* WHEN…Until 1215 PM EDT.

* IMPACTS…Minor flooding in low-lying and poor drainage areas.
Water over roadways.

* ADDITIONAL DETAILS…
– At 916 AM EDT, radar indicated heavy rain due to thunderstorms.
Minor flooding is ongoing or expected to begin shortly in the
advisory area. Between 1 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 2 inches are possible.
– Some locations that may experience flooding include…
Dublin, Westerville, Delaware, Marysville, Bellefontaine, Urbana,
Powell, Sunbury, Plain City, Richwood, St. Paris, West Liberty,
Mechanicsburg, North Lewisburg, Russells Point, Ashley, De Graff,
Lakeview and Belle Center.* WHAT…Flooding caused by excessive rainfall is expected.

* WHERE…Delaware County in central Ohio…
Union County in central Ohio…
Champaign County in west central Ohio…
Logan County in west central Ohio…

* WHEN…Until 1215 PM EDT.

* IMPACTS…Minor flooding in low-lying and poor drainage areas.
Water over roadways.

* ADDITIONAL DETAILS…
– At 916 AM EDT, radar indicated heavy rain due to thunderstorms.
Minor flooding is ongoing or expected to begin shortly in the
advisory area. Between 1 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 2 inches are possible.
– Some locations that may experience flooding include…
Dublin, Westerville, Delaware, Marysville, Bellefontaine, Urbana,
Powell, Sunbury, Plain City, Richwood, St. Paris, West Liberty,
Mechanicsburg, North Lewisburg, Russells Point, Ashley, De Graff,
Lakeview and Belle Center.9:16 AMAugust 11, 2026