Alertes en vigueur Alworth, IL
A Flood Watch for flash flooding means rapid-onset flooding ispossible, but not yet certain, based upon the latest forecasts.Flash flooding is a dangerous situation. Persons with interestsalong area rivers, creeks, and other waterways should monitor thelatest forecasts and be prepared to take action should floodingdevelop.
* WHAT...Flash flooding caused by excessive rainfall is possible.* WHERE...Portions of north central and northeast Illinois,including the following areas, in north central Illinois, Boone,De Kalb, La Salle, Lee, Ogle and Winnebago. In northeast Illinois,Central Cook, DuPage, Eastern Will, Grundy, Kane, Kendall, LakeIL, McHenry, Northern Cook, Northern Will, Southern Cook andSouthern Will.* WHEN...Until 1 AM CDT Sunday.* IMPACTS...Creeks and streams may rise out of their banks. Floodingmay occur in poor drainage and urban areas.* ADDITIONAL DETAILS...- Thunderstorms will develop into Northern Illinois thisevening with locally heavy rainfall possible. The potentialfor slow movement or training of thunderstorm cells mayproduce rainfall amounts in excess of 2 inches with localizedamounts in excess of 4 inches possible.- http://www.weather.gov/safety/flood
Residents and those with interests near the river should monitorrising water levels and be prepared for possible flood warnings.Additional information is available at www.weather.gov.The next statement will be issued late tonight at 1215 AM CDT.
...The Flood Watch continues for the following rivers in Wisconsin...Illinois...Baraboo River At Reedsburg affecting Sauk County.Sugar River At Brodhead affecting Green, Winnebago and RockCounties.Wisconsin River At Portage affecting Columbia County.* WHAT...Flooding is possible.* WHERE...Sugar River at Brodhead.* WHEN...From Sunday evening to Tuesday afternoon.* IMPACTS...At 5.5 feet, Some roads are flooded about 6 milesdownstream in Avon Township in Rock County. In the Avon Bottomsarea of Rock County, flooding is occurring in Sugar River Park.* ADDITIONAL DETAILS...- At 3:00 PM CDT Saturday the stage was 2.0 feet.- Forecast...Flood stage may be reached late tomorrow evening.- Flood stage is 5.0 feet.- http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drivecars through flooded areas.Additional information is available at www.weather.gov.The next statement will be issued late tonight at 415 AM CDT.
...The Flood Warning continues for the following rivers inWisconsin...Illinois...Rock River At Afton affecting Winnebago and Rock Counties.* WHAT...Minor flooding is forecast.* WHERE...Rock River at Afton.* WHEN...Until further notice.* IMPACTS...At 10.1 feet, Floodwaters affect the property of a homeon South Christian Road on the east side of the river in the Aftonarea. Minor erosional flood damage occurs to lowland andagricultural land adjacent to the river the Afton and Janesvilleareas. This level is the 20 percent chance flood meaning thatthere is a 20 percent chance in any given year of the riverreaching this level.* ADDITIONAL DETAILS...- At 3:00 PM CDT Saturday the stage was 8.9 feet.- Bankfull stage is 8.0 feet.- Forecast...The river is expected to rise above flood stagethis evening and continue rising to a crest of 9.7 feettomorrow evening.- Flood stage is 9.0 feet.- Flood History...This crest compares to a previous crest of9.7 feet on 04/11/1922.- http://www.weather.gov/safety/flood
A Flood Advisory means minor flooding along waterways and other poordrainage areas is imminent or may already be occurring. Persons inthe advisory area should use caution and avoid flood waters.
* WHAT...Flooding caused by excessive rainfall is expected.* WHERE...Portions of north central and northeast Illinois,including the following counties, in north central Illinois, Booneand southeastern Winnebago Counties and McHenry County innortheast Illinois.* WHEN...Until midnight CDT tonight.* IMPACTS...Creeks and streams may rise out of their banks.* ADDITIONAL DETAILS...- At 854 PM CDT, Doppler radar indicated thunderstormsproducing torrential rainfall. Between 1 and 2 inches of rainhas fallen with these storms.- Additional rainfall amounts up to 2 inches are expected overthe area. This additional rain will result in minor flooding.Multiple automated weather stations have recorded betweenthree quarters of an inch to nearly an inch of rain in just15 minutes!- Some locations that will experience flooding include...Rockford, Crystal Lake, Algonquin, Lake in the Hills,McHenry, Belvidere, Woodstock, Huntley, Loves Park, MachesneyPark, Roscoe, Fox Lake, Harvard, Island Lake, South Beloit,Rockton, Marengo, Poplar Grove, Rockford Airport and Cary.- http://www.weather.gov/safety/flood
ESFLOTShowers and thunderstorms are expected to move across much ofnorthern IL this evening. Heavy rainfall rates of up to two inchesper hour will be possible with these storms as they shift eastsoutheastward across northern Illinois through the evening. Rainfallamounts of this magnitude may cause instances of localized flashflooding, along with significant rises on area streams and rivers,some of which couldreach or exceed flood stage, especially along portions of the Rockriver.This outlook means that elevated water levels and potential impactsare possible, but not yet certain. Persons with interests along areastreams and rivers should closely monitor the latest forecasts.There are currently no updates scheduled for this outlook.
