Saturday, September 14, 2019

Hazardous Weather Outlook for McHenry Co., IL

<pre>FLUS43 KLOT 142020
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
320 PM CDT Sat Sep 14 2019


Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook-
La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-
Lake IN-Porter-Newton-Jasper-Benton-
320 PM CDT Sat Sep 14 2019 /420 PM EDT Sat Sep 14 2019/

This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

Significant Thunderstorm Risk...with an associated:
Limited hail risk...up to quarter size late tonight.
Elevated Flooding Risk late tonight north of I-88.

DISCUSSION...

Showers and thunderstorms are expected to develop late tonight and
persist into Sunday morning. These storms will have the potential
to produce high rainfall rates. This heavy rain falling across
areas which have already received substantial rainfall amounts
over the past week may result in runoff and flash flooding. A
Flash Flood Watch is in effect for locales near and north of I-88
late tonight and into Sunday morning.

Some storms may be strong to marginally severe, primarily with a
threat for nickel to quarter-sized hail north of I-80 late
tonight.

Portions of the Des Plaines, Fox, Rock, Kishwaukee and Pecatonica
Rivers will remain above flood stage for at least the next
several days.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday...
Significant Thunderstorm Risk.
Limited Fog Risk.
Monday and Tuesday...
Limited Fog Risk.
Wednesday through Friday...
Limited Thunderstorm Risk.

DISCUSSION:

Showers and thunderstorms may linger into Sunday morning with a
continued threat for flash flooding, primarily north of I-88.
Additional isolated thunderstorms will be possible Sunday evening
with a cold front.

Fog, some of which may be locally dense, will be possible Sunday
night, and again on Monday and Tuesday nights.

.SPOTTER INFORMATION STATEMENT...

Due to the expected limited nature and coverage of strong to
severe storms tonight, spotter activation is unlikely.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east-southeast at 35 mph.
</pre>


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