« View county listFlash Flood Watch
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Pike IL-Calhoun IL-Jersey IL-
Madison IL-Saint Clair IL-Monroe IL-Monroe MO-Ralls MO-Pike MO-
Boone MO-Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-
Montgomery MO-Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-
Franklin MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-
Crawford MO-Washington MO-Saint Francois MO-Sainte Genevieve MO-
Iron MO-Madison MO-Reynolds MO-
Including the cities of Litchfield, Vandalia, Centralia, Salem,
Chester, Sparta, Pittsfield, Alton, Edwardsville, Belleville,
Cahokia, Bowling Green, Columbia, Mexico, Jefferson City, Fulton,
Saint Charles, Washington, Union, Sullivan, Saint Louis,
407 PM CDT Sat Apr 29 2017
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY
The Flash Flood Watch continues for
* portions of Illinois and Missouri...including the following
counties...in Illinois...Bond IL...Calhoun IL...Clinton IL...
Fayette IL...Greene IL...Jersey IL...Macoupin IL...Madison
IL...Marion IL...Monroe IL...Montgomery IL...Pike IL...
Randolph IL...Saint Clair IL and Washington IL. In Missouri...
Audrain MO...Boone MO...Callaway MO...Cole MO...Crawford MO...
Franklin MO...Gasconade MO...Iron MO...Jefferson MO...Lincoln
MO...Madison MO...Moniteau MO...Monroe MO...Montgomery MO...
Osage MO...Pike MO...Ralls MO...Reynolds MO...Saint Charles
MO...Saint Francois MO...Saint Louis City MO...Saint Louis
MO...Sainte Genevieve MO...Warren MO and Washington MO.
* through late Sunday night
* Recent rainfall has set the stage for a significant flooding
event this weekend. A slow moving and potent storm system will
continue to interact with a very moist airmass to produce heavy
rainfall through Sunday evening. Rainfall totals of 3 to 5
inches are likely with locally higher amounts possible along and
south of the Interstate 44 corridor in Missouri and Interstate
55 corridor in Illinois.
* Heavy rainfall will result in flooding of low lying or poor
drainage areas...and ultimately dangerous flash flooding on
smaller creeks and streams. Moderate to major flooding is also
possible on larger streams and rivers.
A Flash Flood Watch is advanced notice that conditions are
favorable that may lead to flash flooding. People in the Watch
area, especially in flood prone areas, should use this time to
make preparations just in case. Stay informed, and be ready for
quick action if flooding is observed or if a Flash Flood Warning
1010 AM CDT SAT APR 29 2017
The Flood Warning continues for
the Kaskaskia River at Vandalia
* from this evening to Friday morning.
* At 9:30 AM Saturday the stage was 13.2 feet.
* Flood stage is 18.0 feet.
* Record flooding is forecast.
* The river is forecast to rise above flood stage by this evening and
to crest near 28.3 feet by Monday early afternoon. The river is
forecast to fall below flood stage by Thursday morning.
* Impact: At 27.9 feet...U.S. Highway 51 south of Vandalia begins to
flood near this height.
* Impact: At 27.5 feet...Near this level, the left bank levee just
south of the U.S. Highway 51 bridge is overtopped.
* Impact: At 26.0 feet...The Dively and Vandalia Levees begin to be
* Impact: At 25.8 feet...Along South 4th Street, numerous homes begin
flooding near the St. Clair Street intersection.
* Impact: At 25.5 feet...South 4th Street begins flooding near and
south of Jefferson Street in Vandalia.
* Impact: At 23.0 feet...Agricultural levee begins to be slightly
overtopped. No residences are affected at this level.
* Impact: At 19.2 feet...State Highway J just east of County Road 206
begins to flood near this height.
* Impact: At 18.0 feet...Flood Stage. Minor flooding begins.
Unprotected farmland begins to flood.
Fld Latest 7 a.m. Forecast
LOCATION Stg Obs Stg 04/30 05/01 05/02 05/03 05/04
Vandalia 18.0 13.25 24.8 28.1 27.2 24.5 18.4
LAT...LON 3903 8910 3903 8906 3885 8909 3879 8919
$$Severe Thunderstorm Warning
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
529 PM CDT SAT APR 29 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Northeastern Clinton County in south central Illinois...
Eastern Bond County in south central Illinois...
Marion County in south central Illinois...
Fayette County in south central Illinois...
Southeastern Montgomery County in south central Illinois...
* Until 630 PM CDT.
* At 529 PM CDT, severe thunderstorms were located along a line
extending from near Ramsey to near Mulberry Grove to Beckemeyer,
moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Salem, Vandalia, Greenville, Breese, Carlyle, Centralia, St. Elmo,
Sandoval, Germantown, Odin, Beckemeyer, Ramsey, Kinmundy,
Brownstown, Mulberry Grove, Patoka, Tamalco, Farina, Omega and
This includes the following highways...
Interstate 70 in Illinois between exits 45 and 76.
Interstate 57 in Illinois between exits 116 and 135.
This also includes Ramsey Lake State Park and Carlyle Lake
For your protection move to an interior room on the lowest floor of a
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
LAT...LON 3861 8870 3852 8955 3922 8924 3922 8881
3891 8881 3891 8869
TIME...MOT...LOC 2229Z 248DEG 30KT 3918 8920 3889 8926 3859 8941
$$Severe Thunderstorm Watch
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
174 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING
IN ILLINOIS THIS WATCH INCLUDES 11 COUNTIES
IN SOUTH CENTRAL ILLINOIS
BOND IL CLINTON IL FAYETTE IL
MARION IL MONTGOMERY IL WASHINGTON IL
IN SOUTHWEST ILLINOIS
MACOUPIN IL MADISON IL MONROE IL
RANDOLPH IL SAINT CLAIR IL
IN MISSOURI THIS WATCH INCLUDES 5 COUNTIES
IN SOUTHEAST MISSOURI
IRON MO MADISON MO REYNOLDS MO
SAINT FRANCOIS MO SAINTE GENEVIEVE MO
THIS INCLUDES THE CITIES OF ALTON, BELLEVILLE, CAHOKIA,
CENTRALIA, CHESTER, EDWARDSVILLE, FARMINGTON, LITCHFIELD, SALEM,
SPARTA, AND VANDALIA.