Regional Weather Summary
Issued by NWS Central Illinois

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AWUS83 KILX 220159
RWSILX
ILZ027>031-036>038-040>057-061>063-066>068-071>073-221000-

Weather Summary For Central And Southeast Illinois
National Weather Service Lincoln IL
859 PM CDT Fri Jul 21 2017

Mostly clear skies and muggy conditions persisted across central
and southeast Illinois this evening. Isolated thunderstorms
developed over portions of the area. Temperatures around the area
at 8 PM, ranged from 80 degrees at Paris, to 91 degrees a Flora.

A low pressure system over northwest Illinois had a warm front
that stretched east across northern portions of Illinois and
Indiana late this evening. Thunderstorms are expected to continue
developing and track east- southeast along this frontal boundary
into northern Illinois later tonight. These storms are expected to
be strong to severe. A trailing line of showers and thunderstorms
is then expected overnight, tracking south into central Illinois.
Storms may linger into Saturday morning. As the associated cold
front moves through Illinois on Saturday, widespread showers and
thunderstorms are not expected, until the front reaches further
south into Illinois. The front will reach the Ohio Valley on
Sunday, although a weak system may trigger some isolated
thunderstorms. The hot and muggy conditions will continue into
Saturday. Canadian high pressure will move into the area early
next week, with cooler and less humid conditions across the area.

Overnight low temperatures, will drop into the 70s for much of
the Midwest, with 60s noted for parts of Wisconsin.

High temperatures on Saturday, will range from the middle 80s
across southern Wisconsin, northern Illinois, and northern
Indiana, to the low 100s across central and east central
Missouri.

$$

EJL



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