667
ASUS43 KLOT 150601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CST MON DEC 15 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-150700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 1 -7 68 S6 30.47F WCI -10 TC -17
6HR MIN TEMP: -3; 6HR MAX TEMP: 3;
STERLING* MOCLDY 2 -5 72 SW8 30.51F WCI -12 TC -17
SAVANNA* PTCLDY 3 -5 70 S7 30.46F WCI -10 TC -16
ILZ003-004-008-010-011-017-018-150700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 0 -7 72 S8 30.49F WCI -14 TC -18
6HR MIN TEMP: 0; 6HR MAX TEMP: 4;
FREEPORT* CLOUDY 4 -5 68 SW13 30.46F WCI -13 TC -16
DE KALB* PTCLDY -3 -8 79 S13 30.46F WCI -22 TC -19
PERU* CLOUDY -1 -7 76 S7 30.50F WCI -14 TC -18
ILZ005-006-012>014-019>023-150700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 3 -7 63 SW13 30.47F WCI -14 TC -16
6HR MIN TEMP: 3; 6HR MAX TEMP: 5;
CHICAGO-MIDWAY MOCLDY 3 -5 69 SW9 30.51F WCI -12 TC -16
6HR MIN TEMP: 3; 6HR MAX TEMP: 6;
AURORA PTCLDY -1 -7 75 S9 30.48F WCI -16 TC -18
6HR MIN TEMP: -1; 6HR MAX TEMP: 2;
JOLIET* CLEAR 2 -6 69 SW6 30.54F WCI -9 TC -16
WAUKEGAN PTCLDY 3 -6 66 SW12 30.44F WCI -13 TC -16
6HR MIN TEMP: 3; 6HR MAX TEMP: 6;
DUPAGE AIRPORT CLEAR 1 -6 72 S14 30.47F WCI -17 TC -17
6HR MIN TEMP: 1; 6HR MAX TEMP: 3;
WHEELING CLEAR 3 -6 66 MISG 30.48F TC -16
6HR MIN TEMP: 3; 6HR MAX TEMP: 6;
MORRIS* CLEAR -2 -7 80 S3 30.53F TC -19
LANSING* CLEAR 1 -10 58 SW9 30.54F WCI -14 TC -17
NORTHERLY ISL* N/A 5 -2 72 W13 N/A WCI -11 TC -15
LMZ740>746-150700-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 7 210/ 17/ 20 N/A
NORTHERLY ISL 5 260/ 8/ 12 N/A
CALUMET HARBOR 4 210/ 8/ 15 1033.2
BURNS HARBOR 6 210/ 8/ 10 1033.9F
MICHIGAN CITY 4 200/ 9/ 11 1036.0F
ILZ025>027-034>036-040-047-049-050-058-095>099-150700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 6 -2 69 S5 30.51F WCI -3 TC -14
GALESBURG* CLEAR -1 -4 87 S5 30.51F WCI -11 TC -18
MACOMB* CLEAR -3 -9 78 S7 30.53F WCI -17 TC -20
JACKSONVILLE* CLEAR 0 -7 72 S5 30.54S WCI -10 TC -18
ILZ028>032-037-038-041>044-048-051>054-059>061-150700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR -8 -14 74 S5 30.54F WCI -19 TC -22
BLOOMINGTON PTCLDY -7 -12 79 S12 30.52F WCI -26 TC -22
DECATUR CLEAR -9 -13 83 SE3 30.57F TC -23
PEORIA MOCLDY -1 -7 75 SW6 30.54F WCI -13 TC -18
6HR MIN TEMP: -4; 6HR MAX TEMP: 0;
LACON* CLOUDY 0 -9 65 S6 30.53F WCI -12 TC -18
LINCOLN* MOCLDY -7 -14 71 SE3 30.56F TC -22
SPRINGFIELD PTCLDY -1 -9 68 S7 30.55F WCI -14 TC -18
6HR MIN TEMP: -8; 6HR MAX TEMP: -1;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-150700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR -10 -15 78 S9 30.56F WCI -27 TC -23
DANVILLE* CLEAR -9 -13 81 CALM 30.60S TC -23
RANTOUL* CLEAR -7 -12 79 CALM 30.56F TC -22
MATTOON CLEAR -6 -10 83 S7 30.56F WCI -20 TC -21
PARIS* CLEAR -9 -14 78 S3 30.59F TC -23
ILZ079-100>102-150700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 9 3 75 SE5 30.58F WCI 1 TC -13
BELLEVILLE CLEAR 9 2 76 S3 30.59F TC -13
CAHOKIA* CLEAR 10 2 69 SE6 30.59F WCI 0 TC -12
SPARTA* CLEAR 10 2 72 SE3 30.61F TC -12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 11 3 70 SE3 30.61F TC -12
6HR MIN TEMP: 11; 6HR MAX TEMP: 14;
CAIRO* CLEAR 14 6 70 SE6 30.63F WCI 5 TC -10
EFFINGHAM* CLEAR 2 -4 78 CALM 30.60F TC -17
MT. VERNON CLEAR N/A N/A N/A CALM 30.62F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 7 0 72 SE3 30.60F TC -14
METROPOLIS* CLEAR 11 2 66 CALM 30.63F TC -11
ILZ067-068-072-073-078-083-087-091-150700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 0 -6 76 NE3 30.64F TC -18
FLORA* CLEAR 5 0 78 SE6 30.63S WCI -6 TC -15
FAIRFIELD* CLEAR 6 -1 72 CALM 30.63F TC -14
HARRISBURG* CLEAR 9 2 71 SE3 30.63F TC -13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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