Strong to severe thunderstorms developed during the late evening hours of the 28th over portions of northwestern Arkansas, along and north of a warm front that had moved into the area during the day. These storms produced hail up to golfball size, damaging wind, and locally heavy rainfall through the early morning hours of the 29th.
Another round of severe weather developed during the afternoon hours of the 29th, as a cold front moved into the area from the north. These storms produced a tornado, damaging wind, and locally heavy rainfall.

Hail in WASHINGTON, ARKANSAS
From 28-APR-17 21:30:00 to 28-APR-17 21:30:00 (CST-6)
Location: FAYETTEVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in WASHINGTON, ARKANSAS
From 29-APR-17 17:13:00 to 29-APR-17 18:00:00 (CST-6)
Location: PRAIRIE GROVE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Many roads were flooded from Savoy to Prairie Grove to Farmington. A man was swept off off Highway 16 by flood waters, and was drowned.

Flash Flood in WASHINGTON, ARKANSAS
From 29-APR-17 17:00:00 to 29-APR-17 20:00:00 (CST-6)
Location: SPRINGDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several roads were flooded and impassable. Two young children were playing near a flooded creek. One of the children fell into the water, was swept downstream, and was drowned.

Flash Flood in MADISON, ARKANSAS
From 29-APR-17 14:00:00 to 29-APR-17 23:15:00 (CST-6)
Location: FORUM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

War Eagle Creek flooded portions of several roads north and east of Hindsville. A woman drove a vehicle into flood water and was swept downstream. She exited the vehicle and survived, but her two young children drowned.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 12:34:00 to 29-APR-17 13:30:00 (CST-6)
Location: BENTONVILLE BRANCH J
Flood cause: Heavy Rain
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Public

Portions of Oak Hill Drive were severely flooded. Flood water entered some homes.

Flash Flood in BENTON, ARKANSAS
From 28-APR-17 11:54:00 to 29-APR-17 04:30:00 (CST-6)
Location: BENTONVILLE BRANCH J
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Streets were flooded and closed in Rogers.

Hail in SEBASTIAN, ARKANSAS
From 28-APR-17 21:50:00 to 28-APR-17 21:50:00 (CST-6)
Location: RYE HILL
Magnitude: 2.00 
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

Hail in SEBASTIAN, ARKANSAS
From 28-APR-17 21:58:00 to 28-APR-17 21:58:00 (CST-6)
Location: FT SMITH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in BENTON, ARKANSAS
From 28-APR-17 22:00:00 to 28-APR-17 22:00:00 (CST-6)
Location: PEA RIDGE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Strong thunderstorm wind blew down trees at the Pea Ridge National Military Park.

Thunderstorm Wind in CARROLL, ARKANSAS
From 28-APR-17 22:40:00 to 28-APR-17 22:40:00 (CST-6)
Location: BERRYVILLE
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind blew down trees and power lines in Berryville.

Hail in WASHINGTON, ARKANSAS
From 28-APR-17 22:45:00 to 28-APR-17 22:45:00 (CST-6)
Location: EFAY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BENTON, ARKANSAS
From 28-APR-17 23:59:00 to 28-APR-17 23:59:00 (CST-6)
Location: CAVE SPGS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Hail in BENTON, ARKANSAS
From 29-APR-17 00:04:00 to 29-APR-17 00:04:00 (CST-6)
Location: CAVE SPGS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Hail in BENTON, ARKANSAS
From 29-APR-17 01:05:00 to 29-APR-17 01:05:00 (CST-6)
Location: ROGERS MUNI ARPT
Magnitude: 1.75 
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm Wind in BENTON, ARKANSAS
From 29-APR-17 01:28:00 to 29-APR-17 01:28:00 (CST-6)
Location: HIGHFILL
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind blew down trees, and damaged the roof of a barn.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 11:54:00 to 29-APR-17 13:30:00 (CST-6)
Location: BENTONVILLE BRANCH J
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Heavy rainfall resulted in numerous streets to be flooded in Rogers.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 12:00:00 to 29-APR-17 13:30:00 (CST-6)
Location: CHEROKEE CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A portion of Highway 112 was closed due to flooding.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 12:02:00 to 29-APR-17 13:30:00 (CST-6)
Location: BENTONVILLE MUNI ARP
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A road near the Bentonville Municipal Airport was flooded.

Flash Flood in WASHINGTON, ARKANSAS
From 29-APR-17 12:34:00 to 29-APR-17 18:00:00 (CST-6)
Location: FAYETTEVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous streets were flooded in downtown Fayetteville.

Flash Flood in WASHINGTON, ARKANSAS
From 29-APR-17 13:00:00 to 29-APR-17 18:00:00 (CST-6)
Location: WYMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Portions of Mally Wagnon Road east of Fayetteville were flooded.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 13:50:00 to 29-APR-17 17:30:00 (CST-6)
Location: BENTONVILLE BRANCH J
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Areas of the Prairie Creek Golf Course were severely flooded.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 13:20:00 to 29-APR-17 17:30:00 (CST-6)
Location: SULPHUR SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Rural roads near Sulphur Springs were flooded.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 14:07:00 to 29-APR-17 17:30:00 (CST-6)
Location: SILOAM SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Roads were flooded and impassable in Siloam Springs.

Thunderstorm Wind in CRAWFORD, ARKANSAS
From 29-APR-17 16:05:00 to 29-APR-17 16:05:00 (CST-6)
Location: NATURAL DAM
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew down power lines, and damaged buildings.

Tornado in CRAWFORD, ARKANSAS
From 29-APR-17 15:57:00 to 29-APR-17 16:05:00 (CST-6)
Location: DAVIDSON
Tornado F-scale: EF1
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado developed northwest of Natural Dam and moved northeast. It destroyed a mobile home, uprooted numerous trees, and damaged a permanent home along Highway 59. The tornado uprooted more trees as it crossed Liberty Hill Road, and then dissipated over wooded terrain south of Cove Creek Crossing. Based on this damage, maximum estimated wind in the tornado was 90 to 100 mph.

Flash Flood in WASHINGTON, ARKANSAS
From 29-APR-17 17:57:00 to 29-APR-17 23:15:00 (CST-6)
Location: EFAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Portions of Poplar Street were flooded and impassable. Cars were stranded with people trapped by high water.

Flash Flood in BENTON, ARKANSAS
From 29-APR-17 23:23:00 to 30-APR-17 03:15:00 (CST-6)
Location: GALLITIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Portions of Highway 412 east of Siloam Springs were flooded with briskly flowing water across all four lanes of traffic.

Flash Flood in CARROLL, ARKANSAS
From 29-APR-17 19:00:00 to 29-APR-17 23:00:00 (CST-6)
Location: EUREKA SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Leatherwood Creek flooded several roads north and northeast of town. People were playing in and near the creek.  One of them was swept downstream and drowned.