Storms developed across the area. Numerous reports of large hail were received. Also, very heavy rain fell in several locations causing flash flooding.

Hail in WARREN, MISSOURI
From 07-APR-15 07:20:00 to 07-APR-15 07:35:00 (CST-6)
Location: MARTHASVILLE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous reports of large hail in southeastern Warren County.  Most were around an inch, though two inch hail was reported 4 miles east of Marthasville.

Hail in ST. CHARLES, MISSOURI
From 07-APR-15 07:30:00 to 07-APR-15 07:30:00 (CST-6)
Location: NEW MELLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. CHARLES, MISSOURI
From 07-APR-15 07:50:00 to 07-APR-15 07:50:00 (CST-6)
Location: KLONDIKE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, MISSOURI
From 07-APR-15 08:02:00 to 07-APR-15 08:02:00 (CST-6)
Location: ST ALBANS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in FRANKLIN, MISSOURI
From 07-APR-15 08:00:00 to 07-APR-15 08:00:00 (CST-6)
Location: ST ALBANS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several large tree limbs blown down around town.

Flash Flood in WARREN, MISSOURI
From 07-APR-15 08:15:00 to 07-APR-15 16:30:00 (CST-6)
Location: DUTZOW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Between 2 and 4 inches of rain fell in a short amount of time causing flash flooding.  Several roads were flooded including Highway TT just north of Dutzow.

Hail in BOONE, MISSOURI
From 07-APR-15 04:25:00 to 07-APR-15 04:25:00 (CST-6)
Location: COU COTTON MEM ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Hail in ST. CHARLES, MISSOURI
From 07-APR-15 08:00:00 to 07-APR-15 08:00:00 (CST-6)
Location: WELDON SPG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 07-APR-15 08:12:00 to 07-APR-15 08:15:00 (CST-6)
Location: POND
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail up to golfball size caused some siding and window damage.

Hail in ST. LOUIS, MISSOURI
From 07-APR-15 08:25:00 to 07-APR-15 08:50:00 (CST-6)
Location: GUMBO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm moved east across St. Louis County. There were numerous reports of large hail between Chesterfield, Des Peres and Frontenac.

Hail in FRANKLIN, MISSOURI
From 07-APR-15 08:40:00 to 07-APR-15 08:55:00 (CST-6)
Location: MOSELLE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail fell east of St. Clair, some of the hail stones were two inches in diameter, but most were an inch in diameter. The large hail caused damage to some vehicles.

Hail in FRANKLIN, MISSOURI
From 07-APR-15 09:15:00 to 07-APR-15 09:15:00 (CST-6)
Location: LONEDELL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STE. GENEVIEVE, MISSOURI
From 07-APR-15 12:43:00 to 07-APR-15 12:43:00 (CST-6)
Location: ZELL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WASHINGTON, MISSOURI
From 07-APR-15 13:00:00 to 07-APR-15 13:00:00 (CST-6)
Location: POTOSI WSHNGTN CO AR
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in FRANKLIN, MISSOURI
From 07-APR-15 09:09:00 to 07-APR-15 16:30:00 (CST-6)
Location: VILLA RIDGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Between 3 and 4 inches of rain fell in a short amount of time causing flash flooding.  At the Sleepy Hollow Mobile Home Park, just southwest of Villa Ridge, 14 water rescues had to be performed as Pin Oak Creek rose quickly, flooding the mobile home park.

Flash Flood in ST. LOUIS, MISSOURI
From 07-APR-15 09:30:00 to 07-APR-15 16:30:00 (CST-6)
Location: FERN GLEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Between 2 and 3 inches of rain fell in a short amount of time causing flash flooding.  Several roads were flooded including Hanna Road just north of Vance Road near Fishpot Creek. Water was up to car bumpers.

Flash Flood in JEFFERSON, MISSOURI
From 07-APR-15 12:10:00 to 07-APR-15 13:30:00 (CST-6)
Location: SULPHUR SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Between 2 and 3 inches of rain fell in a short amount of time causing flash flooding.  Several roads were flooded including Highway M between I-55 and U.S. 67. Glaize Creek rose well above it's banks, flooding Highway M.

Flash Flood in ST. FRANCOIS, MISSOURI
From 07-APR-15 12:30:00 to 07-APR-15 17:00:00 (CST-6)
Location: BONNE TERRE ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Between 2 and 3 inches of rain fell in a short amount of time causing flash flooding. Several roads were flooded including Mineshaft Road on the southwest side of Bonne Terre. Number Seven Creek rose well above it's banks, causing two feet of water to cover Mineshaft Road. Also, several other low water crossings and secondary roads were flooded.

Flash Flood in WASHINGTON, MISSOURI
From 07-APR-15 13:00:00 to 07-APR-15 17:00:00 (CST-6)
Location: HOPEWELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Up to three inches of rain fell in a short amount of time causing flash flooding. Several roads were flooded including Route U near intersection with John Smith Road.

Flash Flood in STE. GENEVIEVE, MISSOURI
From 07-APR-15 15:00:00 to 07-APR-15 17:00:00 (CST-6)
Location: BLOOMSDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Up to three inches of rain fell in a short amount of time causing flash flooding.  Several roads were flooded including Route Y southwest of Bloomsdale.

Hail in WARREN, MISSOURI
From 07-APR-15 06:30:00 to 07-APR-15 06:30:00 (CST-6)
Location: PENDLETON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golfball sized hail caused siding and shingle damage as well as some damage to vehicles.

Hail in CALLAWAY, MISSOURI
From 07-APR-15 05:05:00 to 07-APR-15 05:17:00 (CST-6)
Location: MC CREDIE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CALLAWAY, MISSOURI
From 07-APR-15 05:40:00 to 07-APR-15 05:42:00 (CST-6)
Location: WILLIAMSBURG
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WARREN, MISSOURI
From 07-APR-15 06:50:00 to 07-APR-15 07:05:00 (CST-6)
Location: WARRENTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous reports of large hail between Warrenton and Innsbrook.