Weather for Chicago, Illinois
Lat: 41.88N, Lon: 87.63W
Wx Zone: ILZ014
Illinois Drought MonitorThe Illinois Drought monitor is a subset of the United States Monitor, issued every Thursday morning, based on drought conditions the previous Tuesday. The map below shows the current drought level around the state, and the percent of Illinois land area in each drought level compared to the previous week. Read an explanation of the drought intensities and what they mean. |
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Illinois Hydrologic Information StatementNote that if drought conditions are not being experienced, or in the case of river flooding or heavy rain, this statement may be used to indicate river flows or flood potential. 000 FGUS73 KLOT 211923 CCA ESFLOT ILC007-011-031-037-063-075-089-091-093-097-099-105-111-141-197-201- INC073-089-111-127-220722- PROBABILISTIC HYDROLOGIC OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 122 PM CST TUE DEC 21 2010 ...ADVANCED HYDROLOGIC PREDICTION SERVICE...AHPS...ENABLES THE NATIONAL WEATHER SERVICE...NWS...TO PROVIDE LONG-RANGE PROBABILISTIC RIVER OUTLOOKS... THE VALUES IN THE TABLE BELOW FOR THE ROCK RIVER BASIN AND ILLINOIS RIVER TRIBUTARIES ARE VALID DECEMBER 27 2010 TO APRIL 30 2011. THE VALUES IN THE TABLE BELOW FOR THE LITTLE CALUMET RIVER BASIN AND THE MAINSTEM ILLINOIS RIVER ARE VALID DEC 27 2010 TO MARCH 27 2011. IN THE TABLE BELOW...THE 90 THROUGH 10 PERCENT COLUMNS INDICATE THE CHANCE THAT A LOCATION ON A RIVER COULD RISE ABOVE THE LISTED STAGE LEVELS IN THE NEXT 90 DAYS. FOR EXAMPLE: THE ILLINOIS RIVER AT LA SALLE HAS A FLOOD STAGE OF 20 FEET. WITHIN THE NEXT 90 DAYS...THERE IS A 80 PERCENT CHANCE THE RIVER WILL RISE ABOVE 14.4 FEET. LOCATION FS (FT) 90% 80% 70% 60% 50% 40% 30% 20% 10% -------- ------- --- --- --- --- --- --- --- --- --- KANKAKEE RIVER DUNNS BRIDGE 10.0 6.8 7.4 7.8 8.4 8.8 9.3 9.8 10.2 10.6 KOUTS 11.0 7.9 8.6 8.9 9.5 10.0 10.4 11.0 11.4 11.8 SHELBY 9.0 7.8 8.5 9.3 9.7 10.1 10.4 11.0 11.5 12.8 MOMENCE 5.0 3.1 3.4 3.9 4.1 4.3 4.6 4.8 5.5 6.4 WILMINGTON 6.5 2.8 3.8 4.3 4.6 5.0 5.3 5.7 5.9 6.6 SUGAR CREEK MILFORD 18.0 9.0 12.7 16.9 17.4 17.9 18.3 18.8 20.1 21.7 IROQUOIS RIVER RENSSELAER 12.0 8.8 10.4 10.8 11.3 11.4 12.1 12.6 13.3 16.5 FORESMAN 18.0 12.0 14.2 14.9 15.8 16.2 16.8 17.2 17.9 19.8 IROQUOIS 18.0 12.1 15.0 16.9 17.7 19.1 20.0 21.2 22.0 23.2 CHEBANSE 16.0 6.3 8.7 10.0 10.7 11.6 12.3 13.1 14.6 16.5 DES PLAINES RIVER RUSSELL 7.0 5.1 6.0 6.5 6.8 7.0 7.2 7.4 7.7 7.9 GURNEE 7.0 3.6 4.2 4.8 5.2 5.6 6.0 6.6 7.1 7.8 DES PLAINES 5.0 1.6 2.2 2.4 2.7 3.0 3.4 3.9 4.8 6.7 LINCOLNSHIRE 11.0 8.3 9.2 9.6 9.9 10.2 10.6 11.4 12.0 14.9 RIVERSIDE 7.0 4.5 5.2 5.4 5.6 5.9 6.1 6.6 7.1 8.0 FOX RIVER MONTGOMERY 13.0 12.2 12.4 12.6 12.7 12.9 13.0 13.3 13.5 13.8 DAYTON 12.0 8.6 9.7 10.2 10.8 11.0 11.5 12.1 12.7 14.5 EAST BR DU PAGE RIVER BOLINGBROOK 19.5 18.3 18.7 19.0 19.2 19.4 19.7 20.0 20.3 20.9 DU PAGE RIVER SHOREWOOD 6.5 4.4 4.8 5.1 5.2 5.5 5.7 5.9 6.1 6.6 MAZON RIVER COAL CITY 12.0 4.8 6.0 6.9 8.1 8.8 9.5 10.2 10.7 11.2 VERMILION RIVER PONTIAC 14.0 4.8 5.3 6.0 7.2 7.9 8.6 10.2 11.4 13.7 LEONORE 16.0 8.1 9.0 10.7 11.7 13.4 14.7 16.5 17.4 20.0 THORN CREEK THORNTON 10.0 5.5 6.5 7.8 8.3 8.6 9.1 9.5 10.0 10.5 HART DITCH DYER 12.0 3.7 4.0 4.5 4.8 5.3 5.5 6.0 6.7 7.4 LITTLE CALUMET RIVER MUNSTER 12.0 9.3 9.9 10.5 10.9 11.5 12.0 12.6 13.8 14.9 SOUTH HOLLAND 16.5 10.0 10.9 11.7 12.1 12.4 12.8 13.6 14.3 14.7 ILLINOIS RIVER MORRIS 16.0 6.6 7.7 8.8 9.7 11.3 12.9 14.3 16.5 18.2 OTTAWA 463.0 450.7 451.2 452.0 453.4 454.6 456.3 458.0 460.0 461.8 LA SALLE 20.0 12.9 14.4 15.8 17.4 19.2 20.8 21.7 24.6 26.5 KISHWAUKEE RIVER BELVIDERE 9.0 3.8 4.4 5.0 5.6 6.1 6.7 7.4 8.5 9.6 PERRYVILLE 12.0 8.2 9.1 9.6 10.1 10.6 11.6 12.2 12.8 13.9 SOUTH BRANCH KISHWAUKEE RIVER DE KALB 10.0 3.9 4.4 5.0 5.8 6.1 6.4 6.9 7.5 8.8 ROCK RIVER ROCKTON 10.0 7.1 7.9 8.8 9.4 9.8 10.4 11.3 11.9 14.1 LATHAM PARK 10.0 7.0 7.7 8.6 9.0 9.3 9.9 10.7 11.2 13.4 ROCKFORD 9.0 3.4 3.5 3.8 3.9 4.0 4.3 4.8 5.2 6.6 BYRON 13.0 8.8 9.9 10.4 11.0 11.4 11.9 12.3 13.3 14.6 PECATONICA RIVER SHIRLAND 12.0 10.2 11.1 12.2 12.6 12.8 13.3 13.6 14.2 15.3 THE NATIONAL WEATHER SERVICE CHICAGO OFFICE IN ROMEOVILLE ISSUES LONG RANGE AHPS OUTLOOKS FOR ALL RIVER FORECAST LOCATIONS. THIS PRODUCT IS UPDATED MONTHLY AROUND MID-MONTH. THESE OUTLOOKS ARE ISSUED IN ADDITION TO THE 5 DAY RIVER FORECASTS THAT ARE ISSUED WHEN RIVER FORECAST LOCATIONS ARE IN FLOOD OR FORECAST TO RISE ABOVE FLOOD STAGE. THIS LONG-RANGE PROBABILISTIC OUTLOOK CONTAINS FORECAST VALUES THAT ARE CALCULATED USING MULTIPLE SEASON SCENARIOS FROM 30 OR MORE YEARS OF CLIMATOLOGICAL DATA INCLUDING CURRENT CONDITIONS OF THE RIVER... SOIL MOISTURE...AND 30 TO 90 DAY LONG-RANGE OUTLOOKS OF TEMPERATURE AND PRECIPITATION. BY PROVIDING THE COMPLETE RANGE OF PROBABILISTIC NUMBERS...THE LEVEL OF RISK ASSOCIATED WITH LONG-RANGE PLANNING DECISIONS CAN BE DETERMINED. THESE PROBABILISTIC FORECASTS ARE PART OF THE NATIONAL WEATHER SERVICE ADVANCED HYDROLOGIC PREDICTION SERVICE. VISIT OUR WEB PAGE AT WEATHER.GOV/CHICAGO FOR MORE WEATHER AND RIVER INFORMATION INCLUDING GRAPHS OF PROBABILISTIC RIVER OUTLOOKS. $$ |