Strong to severe thunderstorms moved into northwestern Arkansas during the morning of the 28th. These storms produced widespread heavy rainfall that resulted in flash flooding, as well as damaging wind gusts. Another round of thunderstorms developed across northwestern Arkansas during the evening of the 28th, as a cold front moved into the area. The strongest storms produced large hail up to golf ball size and damaging wind.
Widespread heavy rainfall of four to six inches, with isolated amounts to eight inches, resulted in significant rises on rivers in northwestern Arkansas. Major flooding occurred along the Arkansas River.

Flash Flood in BENTON, ARKANSAS
From 28-APR-21 07:00:00 to 28-APR-21 11:45:00 (CST-6)
Location: LAKE FRANCES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Portions of Highway 16 were impassable due to flood waters and debris.

Flash Flood in WASHINGTON, ARKANSAS
From 28-APR-21 07:20:00 to 28-APR-21 11:45:00 (CST-6)
Location: ELM SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous roads were flooded in and around Elm Springs. Some vehicles were stranded in the flood water.

Flash Flood in BENTON, ARKANSAS
From 28-APR-21 07:30:00 to 28-APR-21 11:45:00 (CST-6)
Location: ROGERS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous roads were flooded in and around Rogers.

Flash Flood in WASHINGTON, ARKANSAS
From 28-APR-21 07:35:00 to 28-APR-21 11:45:00 (CST-6)
Location: TONTITOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous roads were flooded in and around Tontitown.

Flash Flood in BENTON, ARKANSAS
From 28-APR-21 07:46:00 to 28-APR-21 11:45:00 (CST-6)
Location: BENTONVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Extensive flooding was reported on the southwest side of town, with cars stranded in the high water.

Flash Flood in BENTON, ARKANSAS
From 28-APR-21 08:16:00 to 28-APR-21 11:45:00 (CST-6)
Location: BENTONVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Widespread flooding was reported across Bentonville, with cars stranded in the high water.

Flash Flood in BENTON, ARKANSAS
From 28-APR-21 08:38:00 to 28-APR-21 11:45:00 (CST-6)
Location: SILOAM SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Portions of Main Street were flooded east of Hico Street.

Flash Flood in BENTON, ARKANSAS
From 28-APR-21 08:40:00 to 28-APR-21 11:45:00 (CST-6)
Location: GARFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Portions of Highway 127 in Garfield were closed due to flooding.

Flash Flood in BENTON, ARKANSAS
From 28-APR-21 09:00:00 to 28-APR-21 11:45:00 (CST-6)
Location: CAVE SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Portions Highway 264 were closed due to flooding.

Flash Flood in CRAWFORD, ARKANSAS
From 28-APR-21 12:46:00 to 28-APR-21 18:45:00 (CST-6)
Location: MOUNTAINBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Portions Highway 282 were closed due to flooding.

Flash Flood in SEBASTIAN, ARKANSAS
From 28-APR-21 21:04:00 to 28-APR-21 23:30:00 (CST-6)
Location: JENSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Portions of Highway 45 were flooded north of Hackett.

Flash Flood in FRANKLIN, ARKANSAS
From 28-APR-21 21:55:00 to 28-APR-21 23:30:00 (CST-6)
Location: CHARLESTON
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Portions of Highway 22 were flooded. A home in Charleston was flooded, requiring the resident to be rescued.

Flash Flood in FRANKLIN, ARKANSAS
From 28-APR-21 22:30:00 to 28-APR-21 23:30:00 (CST-6)
Location: BRANCH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highway 41 was flooded at Gammill Street near Branch.

Flash Flood in FRANKLIN, ARKANSAS
From 29-APR-21 03:00:00 to 29-APR-21 05:15:00 (CST-6)
Location: SUTHERLAND XRDS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding was reported across the northern half of Franklin County, with a couple of bridges washed out. Several water rescues also occurred.

Flash Flood in CRAWFORD, ARKANSAS
From 29-APR-21 05:06:00 to 29-APR-21 05:15:00 (CST-6)
Location: STATTLER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several residents of an apartment complex in Alma were trapped by flood water, and had to be rescued. Numerous roads were flooded across the county.

Thunderstorm Wind in BENTON, ARKANSAS
From 28-APR-21 06:44:00 to 28-APR-21 06:44:00 (CST-6)
Location: LOWELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong thunderstorm wind snapped large tree limbs.

Thunderstorm Wind in CARROLL, ARKANSAS
From 28-APR-21 08:15:00 to 28-APR-21 08:15:00 (CST-6)
Location: OAK GROVE
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Strong thunderstorm wind damaged a barn and a couple chicken houses.

Hail in FRANKLIN, ARKANSAS
From 28-APR-21 18:42:00 to 28-APR-21 18:42:00 (CST-6)
Location: ALTUS
Magnitude: 1.75 
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail damaged vehicles and homes in Denning.

Hail in SEBASTIAN, ARKANSAS
From 28-APR-21 20:25:00 to 28-APR-21 20:25:00 (CST-6)
Location: ENTERPRISE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Quarter size hail was reported in Bonanza.

Thunderstorm Wind in SEBASTIAN, ARKANSAS
From 28-APR-21 20:38:00 to 28-APR-21 20:38:00 (CST-6)
Location: DAYTON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong thunderstorm wind blew down trees onto Highway 252 north and northeast of Dayton.

Thunderstorm Wind in BENTON, ARKANSAS
From 28-APR-21 07:00:00 to 28-APR-21 07:00:00 (CST-6)
Location: ROGERS
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind blew down a tree onto a home.

Thunderstorm Wind in WASHINGTON, ARKANSAS
From 28-APR-21 06:00:00 to 28-APR-21 06:00:00 (CST-6)
Location: ELM SPGS
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind damaged the roof of a home.

Flood in CRAWFORD, ARKANSAS
From 29-APR-21 00:15:00 to 30-APR-21 00:00:00 (CST-6)
Location: VAN BUREN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The Arkansas River near Van Buren rose above its flood stage of 22 feet at 1:15 am CDT on April 29th. The river crested at 26.88 feet at 1:30 pm CDT on the 29th, resulting in moderate flooding. Extensive lowland flooding occurred east of the I-540 bridge, and businesses in the floodplain were flooded. Monetary damage from this flood is unknown. The river fell below flood stage at 1:00 am CDT on the 30th.

Flood in CRAWFORD, ARKANSAS
From 28-APR-21 21:45:00 to 29-APR-21 17:00:00 (CST-6)
Location: STATTLER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Lee Creek near Van Buren rose above its flood stage of 401 feet at 10:45 pm CDT on April 28th. The river crested at 409.70 feet at 10:45 am CDT on the 29th, resulting in major flooding. Several homes were flooded, and roads and campgrounds near the river were closed. Monetary damage from this flood is unknown. The river fell below flood stage at 6:00 pm CDT on the 29th.