Mason 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: Mason County, Illinois
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Flash Flood Watch
ILZ031-037-038-041>050-052>057-061>063-066>068-071>073-010145-
/O.CON.KILX.FF.A.0001.000000T0000Z-170501T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Woodford-Tazewell-McLean-Mason-Logan-De Witt-Piatt-Champaign-
Vermilion-Cass-Menard-Scott-Morgan-Christian-Macon-Moultrie-
Douglas-Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-
Crawford-Clay-Richland-Lawrence-
Including the cities of Eureka, Pekin, Bloomington, Normal,
Havana, Lincoln, Clinton, Monticello, Champaign, Urbana,
Danville, Beardstown, Petersburg, Winchester, Jacksonville,
Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon,
Paris, Shelbyville, Greenup, Marshall, Effingham, Newton,
Robinson, Flora, Olney, and Lawrenceville
1245 PM CDT Sun Apr 30 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch continues for

* Portions of central Illinois, east central Illinois, southeast
Illinois, and west central Illinois, including the following
areas, in central Illinois, Christian, De Witt, Logan, Macon,
Mason, McLean, Menard, Piatt, Shelby, Tazewell, and Woodford.
In east central Illinois, Champaign, Clark, Coles, Cumberland,
Douglas, Edgar, Moultrie, and Vermilion. In southeast
Illinois, Clay, Crawford, Effingham, Jasper, Lawrence, and
Richland. In west central Illinois, Cass, Morgan, and Scott.

* Through Monday morning

* Periods of heavy rainfall are expected through this evening.
Around another 1 inch of rain is expected by midnight tonight,
with locally 1 to 2 inch amounts from heavier rains in
stronger thunderstorms. The threat of heavy rain will diminish
with passage of a cold front during mid evening, but runoff
from heavy rains will likely continue through tonight.

* In addition to potential flooding of streets and roads in
flood prone areas, area rivers and streams are also likely to
experience flooding. This would persist for several days after
the rain ends.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION
especially if driving. Never drive across a flooded roadway. You
should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

Flood Warning
ILC017-125-129-010535-
/O.EXT.KILX.FL.W.0027.170502T0142Z-170506T1029Z/
/OKFI2.2.ER.170502T0142Z.170503T1200Z.170506T0429Z.NO/
1035 AM CDT Sun Apr 30 2017

The Flood Warning continues for
The Sangamon River near Oakford.
* From Monday evening until late Friday night.
* At 945 AM Sunday the stage was 465.0 feet.
* Flood stage is 471.0 feet.
* Moderate flooding is forecast.
* Forecast...Rise above flood stage by tomorrow evening and continue
to rise to near 473.0 feet by Wednesday morning.The river will fall
below flood stage by Friday evening.
* Impact...At 471.0 feet...Flooding begins to agricultural areas not
protected by levees.

&&


Fld Observed Forecast 6AM
Location Stg Stg Day Time Mon Tue Wed

Sangamon River
Oakford 471 465.0 Sun 10 AM 468.6 472.0 473.0


&&

LAT...LON 4016 8982 4009 8982 4009 8997 4006 9002
4013 9007 4016 8999

$$

Flood Warning
ILC017-125-010534-
/O.EXT.KILX.FL.W.0028.170501T2000Z-000000T0000Z/
/CDLI2.2.ER.170501T2000Z.170503T1800Z.000000T0000Z.NO/
1035 AM CDT Sun Apr 30 2017

The Flood Warning continues for
The Sangamon River near Chandlerville.
* From Monday afternoon until further notice.
* At 1000 AM Sunday the stage was 454.0 feet.
* Flood stage is 456.6 feet.
* Moderate flooding is forecast.
* Forecast...Rise above flood stage by tomorrow afternoon and
continue to rise to near 459.1 feet by Wednesday afternoon.
* Impact...At 459.9 feet...Flooding begins to impact some residences
in Chandlerville.

&&


Fld Observed Forecast 6AM
Location Stg Stg Day Time Mon Tue Wed

Sangamon River
Chandlerville 457 454.0 Sun 10 AM 455.9 458.0 459.0


&&

LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
4010 9036 4010 9017

$$

Flood Warning
ILC017-057-125-010720-
/O.CON.KILX.FL.W.0011.000000T0000Z-000000T0000Z/
/HAVI2.3.ER.170401T2030Z.170506T0600Z.000000T0000Z.NO/
1220 PM CDT Sun Apr 30 2017

The Flood Warning continues for
The Illinois River at Havana.
* Until further notice.
* At 1145 AM Sunday the stage was 16.7 feet.
* Flood stage is 14.0 feet.
* Minor flooding is occurring and Major flooding is forecast.
* Forecast...The river will continue rising to near 23.6 feet by
early Saturday morning then begin falling.
* Impact...At 25.0 feet...Water reaches the low steel on the IL 78/97
bridges over Lacy Ditch and the Spoon River...just north of the wye
with US 136.

&&


Fld Observed Forecast 6AM
Location Stg Stg Day Time Mon Tue Wed

Illinois River
Havana 14 16.7 Sun 12 PM 18.0 19.8 21.3


&&

LAT...LON 4053 8988 4047 8980 4034 9002 4012 9017
4018 9023 4039 9010

$$

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