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Weather Alert

Weather Alert

.Historically high forecast rainfall amounts will heighten the risk
of flash flooding and flooding Wednesday through Sunday.

...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SUNDAY
MORNING...

* WHAT...Flash flooding and flooding caused by excessive rainfall is
expected. Preliminary projections of up to 1 foot of total
rainfall over parts of the area is not out of the question.

* WHERE...All of southeast Missouri, southern Illinois, western
Kentucky, and southwest Indiana.

* WHEN...From Wednesday afternoon through Sunday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and especially low-lying and flood-prone
locations. Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS...
- Multiple rounds of locally heavy rainfall over several days
will result in extreme forecast amounts of up to 1 foot of
rain that will cause the risk of flash flooding and flooding
to rise markedly.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flash
Flood and Flood Warnings. Those living in areas prone to flooding
should be prepared to take action should flooding develop.

&&

Rain moving through area, severe weather on Sunday

  • Updated
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Sunday storms expected

CARTERVILLE, Ill. (WSIL) -- Rain will be with us throughout this weekend with the potential for strong storms developing on Sunday.

Rain chances for today will be scattered to widespread. Widespread rain will be with us though most of the day and will likely not wind down until after 6 or 7 in the evening. There could be a lull in the shower activity overnight through Sunday morning. Sunday is definitely a day to remain weather aware. 

The entire region is in an enhanced level 3 out of 5 severe weather risk for Sunday afternoon. We are monitoring the potential for strong to severe storms to form between 4 p.m. and 2 a.m. We expect supercell thunderstorms to form in the afternoon and evening, with the primary hazards being extremely large hail and tornadoes. One thing that may end up being a limiting factor for these supercells will be a strong cap in the atmosphere. 

We expect the cap to break down as we head into the late evening. This will be associated with a cold front, and along it, we expect a line of storms form and track through the region. Damaging winds and a few tornadoes are possible with the line.

Temperatures will remain fairly constant through the day on Saturday. Sunday will be much warmer, with highs expected to be in the upper 70s, perhaps even warmer if we can get more sunshine. 

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