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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Saint Louis MO
351 PM CDT Sat Mar 24 2018

Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-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-
351 PM CDT Sat Mar 24 2018

This hazardous weather outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Tonight

There is a slight chance for thunderstorms through late this

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a slight chance of thunderstorms from late Sunday night
through Tuesday afternoon.

Heavy rainfall is expected Monday through Tuesday with the
potential for flooding. The heaviest rain will be south of a
Columbia Missouri to Pittsfield Illinois line. Between 2 and 3
inches of rain is expected with locally higher amounts possible in
this area.


Spotter activation is not anticipated through tonight.



Hydrologic Outlook

Hydrologic Outlook
National Weather Service Saint Louis MO
249 PM CDT Sat Mar 24 2018

249 PM CDT Sat Mar 24 2018

...Signficant rain this week will bring a threat of flooding...

The bi-state region is bracing for heavy rainfall early this
week, and this will bring with it a potential of flooding. The
heaviest rainfall totals will likely be found south of a line from
Columbia, Missouri to Pittsfield, Illinois, and north of a line
from Fredericktown, Missouri to Vandalia, Illinois. These areas
will likely see between 2 and 3 inches of rainfall between now and
Wednesday. This amount of rainfall will likely bring the
potential of some local flooding of area streams. In particular,
people along the Illinois, Kaskaskia, and Cuivre Rivers could see
minor flooding from this rainfall. Significant rises can also be
expected along the Meramec, the Big, the Bourbeuse, the Maries,
and the Moreau rivers.

In addition, locally heavy rainfall can be expected Monday night
and Tuesday. This could lead to localized flooding of roadways and
poor drainage areas.

People in east central Missouri and southwestern Illinois need to
stay alert to the latest conditions over the next several days
and realize the high flooding potential that will persist
throughout the week. Remember when driving, do not attempt to
cross a flooded roadway. The water depth is often unknown, and the
roadway may be washed out. Play it safe. Turn around, don`t



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