726
ASUS43 KLOT 151110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-151200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 9 -1 64 S12 30.29F WCI -6 TC -13
STERLING* MOCLDY 5 -2 72 VRB3 30.29F TC -15
SAVANNA* MOCLDY 7 -1 68 S14 30.27F WCI -10 TC -14
ILZ003-004-008-010-011-017-018-151200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 6 -2 69 S14 30.32F WCI -11 TC -14
FREEPORT* MOCLDY 8 0 69 S14G23 30.28F WCI -9 TC -13
DE KALB* MOCLDY 2 -3 79 S21 30.29F WCI -20 TC -17
PERU* MOCLDY 3 -4 71 S14 30.35F WCI -15 TC -16
ILZ005-006-012>014-019>023-151200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 7 -5 57 S12G20 30.33F WCI -8 TC -14
CHICAGO-MIDWAY CLOUDY 6 -7 54 S14 30.37F WCI -11 TC -14
AURORA MOCLDY 3 -4 72 S14 30.33F WCI -15 TC -16
JOLIET* MOCLDY 7 -1 69 S12 30.38F WCI -9 TC -14
WAUKEGAN MOCLDY 7 -5 57 S20G25 30.28F WCI -13 TC -14
DUPAGE AIRPORT MOCLDY 4 -4 69 S15 30.31F WCI -14 TC -16
WHEELING MOCLDY 7 -5 57 MISG 30.34F TC -14
MORRIS* MOCLDY 2 -3 77 S13 30.35F WCI -15 TC -17
ROMEOVILLE* MOCLDY 5 -2 72 S15 30.37F WCI -13 TC -15
LANSING* MOCLDY 4 -9 55 S15 30.40F WCI -15 TC -16
NORTHERLY ISL* N/A 6 -6 57 S13 N/A WCI -10 TC -14
LMZ740>746-151200-
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 8 210/ 19/ 22 N/A
NORTHERLY ISL 6 200/ 7/ 16 N/A
CALUMET HARBOR 6 190/ 9/ 13 1028.5F
BURNS HARBOR 5 190/ 8/ 11 1030.1F
MICHIGAN CITY 4 190/ 12/ 14 1031.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-151200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 12 3 67 S13 30.35F WCI -3 TC -11
GALESBURG* PTCLDY 5 3 91 S17 30.32F WCI -14 TC -15
MACOMB* CLEAR 6 0 76 S12 30.38S WCI -9 TC -14
JACKSONVILLE* CLEAR 8 1 73 S10 30.42F WCI -6 TC -13
ILZ028>032-037-038-041>044-048-051>054-059>061-151200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 0 -7 71 S12 30.41F WCI -17 TC -18
BLOOMINGTON PTCLDY -2 -7 79 S13 30.41F WCI -20 TC -19
DECATUR PTCLDY 0 -5 79 S10 30.47F WCI -16 TC -18
PEORIA PTCLDY 0 -5 79 S12 30.41F WCI -17 TC -18
LACON* MOCLDY 3 -6 66 S8 30.38F WCI -10 TC -16
LINCOLN* PTCLDY 2 -6 69 S9 30.46S WCI -13 TC -17
SPRINGFIELD PTCLDY 5 0 79 S15 30.43F WCI -13 TC -15
TAYLORVILLE CLEAR 4 0 82 S9 30.48S WCI -10 TC -16
ILZ033-039-045-046-055>057-062-063-151200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY -4 -10 75 S8 30.48F WCI -19 TC -20
DANVILLE* MOCLDY -2 -8 72 S8 30.50F WCI -16 TC -19
RANTOUL* PTCLDY -5 -11 76 S9 30.48S WCI -22 TC -21
MATTOON CLEAR -1 -6 79 MISG 30.48S TC -18
PARIS* PTCLDY -4 -10 76 S6 30.52F WCI -17 TC -20
ILZ079-100>102-151200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 12 3 68 S6 30.49S WCI 2 TC -11
BELLEVILLE CLEAR 13 7 76 S6 30.50F WCI 4 TC -10
CAHOKIA* CLEAR 11 3 70 S3 30.50F TC -12
SPARTA* CLEAR 10 4 75 S5 30.52F WCI 2 TC -12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 10 4 76 SE6 30.54F WCI 0 TC -12
CAIRO* CLEAR 13 7 75 SE5 30.57F WCI 6 TC -10
EFFINGHAM* CLEAR 5 0 79 CALM 30.54R TC -15
MT. VERNON CLEAR N/A N/A N/A S6 30.53F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 10 2 72 S6 30.51F WCI 0 TC -12
METROPOLIS* CLEAR 10 4 76 CALM 30.58S TC -12
ILZ067-068-072-073-078-083-087-091-151200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 3 -4 72 SE3 30.56F TC -16
FLORA* CLEAR 7 1 78 S7 30.54F WCI -5 TC -14
FAIRFIELD* CLEAR 8 2 76 S5 30.55F WCI 0 TC -13
HARRISBURG* CLEAR 10 4 76 S5 30.56F WCI 2 TC -12
ROBINSON* CLEAR 1 -4 78 SE5 30.55S WCI -8 TC -17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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