McHenry County, Illinois
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: McHenry County, Illinois
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Flood Advisory
ILC089-111-310900-
/O.NEW.KLOT.FL.Y.0044.170330T2100Z-170404T0000Z/
/AFBI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
400 PM CDT THU MAR 30 2017

The National Weather Service in Chicago has issued a
* Flood Advisory for
The Fox River at Algonquin Tailwater.
* until late Friday night.
* At 330 PM Thursday the stage was 8.5 feet.
* Action stage is 9.0 feet.
* Flood stage is 9.5 feet.
* Recent activity...Flood forecasts for Algonquin were moved to this
location on July 5 2011. Gage zero datum is different from the old
gage location. Flood and action stages have changed.
* Forecast...The river will rise to near 9.2 feet by Friday evening.

&&

LAT...LON 4224 8828 4195 8838 4194 8827 4221 8814
4237 8817 4238 8830

$$

Flood Advisory
ILC007-031-037-043-063-089-093-097-099-103-105-111-141-197-201-
310500-
/O.COR.KLOT.FA.Y.0008.170331T0001Z-170331T0500Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kendall IL-La Salle IL-DuPage IL-Cook IL-Boone IL-Livingston IL-
Lake IL-Will IL-Ogle IL-Lee IL-De Kalb IL-Winnebago IL-Grundy IL-
Kane IL-McHenry IL-
707 PM CDT THU MAR 30 2017

The National Weather Service in Chicago has issued a

* Urban and Small Stream Flood Advisory for Rapid Rises for...
Kendall County in northeastern Illinois...
La Salle County in north central Illinois...
DuPage County in northeastern Illinois...
Cook County in northeastern Illinois...
Boone County in north central Illinois...
Livingston County in central Illinois...
Lake County in northeastern Illinois...
Will County in northeastern Illinois...
Ogle County in north central Illinois...
Lee County in north central Illinois...
De Kalb County in north central Illinois...
Winnebago County in north central Illinois...
Grundy County in northeastern Illinois...
Kane County in northeastern Illinois...
McHenry County in northeastern Illinois...

* Until midnight CDT

* At 700 PM CDT, trained weather spotters reported urban and small
stream flooding due to heavy rain associated with thunderstorms
that moved through the area last night and earlier today. Flooding
is most prevalent near streams and rivers and in low lying areas
with poor drainage. Over two inches of rain fell over the area.
Additional light rain is expected this evening, but no additional
heavy rain is likely.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

A Flood Advisory means river or stream flows are elevated, or ponding
of water in urban or other areas is occurring or is imminent.

&&

LAT...LON 4249 8780 4227 8783 4172 8752 4130 8753
4129 8801 4121 8801 4120 8824 4062 8824
4062 8857 4076 8858 4075 8893 4093 8893
4093 8905 4110 8905 4110 8916 4158 8917
4159 8963 4220 8969 4220 8940 4250 8940

$$

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