« 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,
500 AM CDT Sun Apr 30 2017
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...
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 tonight
* A slow moving and potent storm system coupled with a slow moving
front will continue to interact with a very moist airmass to
produce additional heavy rainfall through this evening.
Additional rainfall amounts of around one inch with locally
higher amounts on top of the already saturated grounds and
rivers and streams running at bankfull from the heavy rains the
last couple of days will lead to additional flooding concerns
today into tonight.
* 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
906 PM CDT SAT APR 29 2017
The Flood Warning continues for
the Kaskaskia River at Vandalia
* until Friday morning.
* At 8:30 PM Saturday the stage was 17.7 feet.
* Flood stage is 18.0 feet.
* Record flooding is forecast.
* The river is forecast to rise above flood stage by tonight and to
crest near 28.3 feet by Monday early afternoon. The river is
forecast to fall below flood stage by late 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 17.67 22.8 28.1 27.4 24.3 19.1
LAT...LON 3903 8910 3903 8906 3885 8909 3879 8919
Bond IL-Greene IL-Fayette IL-Macoupin IL-Jersey IL-Montgomery IL-
110 AM CDT SUN APR 30 2017
The National Weather Service in St Louis has issued a
* Flood Warning for...
Bond County in south central Illinois...
Greene County in southwestern Illinois...
Fayette County in south central Illinois...
Macoupin County in southwestern Illinois...
Jersey County in southwestern Illinois...
Montgomery County in south central Illinois...
* Until 1000 AM CDT Sunday.
* At 107 AM CDT, numerous roads remain closed due to flooding across
the warned area. Up to three inches of rain have already fallen.
* Some locations that will experience flooding include...
Jerseyville, Vandalia, Greenville, Litchfield, Hillsboro,
Carlinville, Staunton, Virden, Gillespie, White Hall, Nokomis,
Carrollton, Brighton, Girard, Mount Olive, Roodhouse, Bunker Hill,
Benld, St. Elmo and Greenfield.
Additional rainfall amounts of 1 to 2 inches are possible in the
This includes the following highways...
Interstate 70 in Illinois between exits 36 and 76.
Interstate 55 in Illinois between exits 41 and 63.
Interstate 57 in Illinois near exit 135.
This also includes Ramsey Lake State Park, Beaver Dam State Park,
and Lake Lou Yaeger.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
LAT...LON 3882 8913 3874 8914 3874 8959 3900 8964
3900 9027 3892 9030 3896 9041 3896 9053
3904 9058 3926 9061 3943 9062 3952 9058
3952 8953 3935 8953 3935 8914 3922 8914
3922 8881 3891 8881 3892 8869 3883 8870