443
ASUS43 KLOT 150903
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-151000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 5 -4 66 S6 30.37F WCI -6 TC -15
STERLING* MOCLDY 3 -4 72 VRB3 30.41F TC -16
SAVANNA* MOCLDY 5 -4 68 S12 30.37F WCI -11 TC -15
ILZ003-004-008-010-011-017-018-151000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 4 -4 69 S10 30.40F WCI -11 TC -16
FREEPORT* MOCLDY 6 -2 68 SW12 30.38R WCI -9 TC -14
DE KALB* MOCLDY 1 -5 77 S13 30.40F WCI -17 TC -17
PERU* PTCLDY 1 -6 72 S10 30.44F WCI -15 TC -17
ILZ005-006-012>014-019>023-151000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 4 -7 60 SW10 30.43F WCI -11 TC -16
CHICAGO-MIDWAY MOCLDY 4 -6 63 SW10 30.45F WCI -11 TC -16
AURORA MOCLDY 1 -5 75 S10 30.43F WCI -15 TC -17
JOLIET* PTCLDY 5 -4 66 S7 30.48F WCI -7 TC -15
WAUKEGAN CLOUDY 6 -5 60 SW13 30.37F WCI -10 TC -14
DUPAGE AIRPORT MOCLDY 3 -5 69 S8 30.41F WCI -10 TC -16
WHEELING CLOUDY 5 -6 60 MISG 30.44F TC -15
MORRIS* PTCLDY 1 -5 76 S8 30.47S WCI -13 TC -17
LANSING* PTCLDY 1 -9 60 S8 30.49S WCI -12 TC -17
NORTHERLY ISL* N/A 5 -5 63 S9 N/A WCI -9 TC -15
LMZ740>746-151000-
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 6 210/ 19/ 22 N/A
NORTHERLY ISL 4 240/ 7/ 12 N/A
CALUMET HARBOR 4 210/ 7/ 14 1031.2
BURNS HARBOR 4 190/ 8/ 10 1032.2F
MICHIGAN CITY 3 200/ 9/ 12 1033.9F
ILZ025>027-034>036-040-047-049-050-058-095>099-151000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 10 2 69 S9 30.42F WCI -3 TC -12
GALESBURG* CLEAR 1 -2 88 S12G17 30.40F WCI -16 TC -17
MACOMB* CLEAR 2 -3 78 S13 30.44F WCI -15 TC -16
ILZ028>032-037-038-041>044-048-051>054-059>061-151000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY -2 -8 75 S5 30.49R WCI -12 TC -19
BLOOMINGTON PTCLDY -4 -9 79 S12 30.46F WCI -22 TC -20
DECATUR CLEAR -2 -8 76 S8 30.52F WCI -17 TC -19
PEORIA CLEAR -2 -8 76 S10 30.45F WCI -19 TC -19
LINCOLN* CLEAR -2 -11 66 S9 30.50F WCI -18 TC -19
SPRINGFIELD CLEAR 1 -4 79 S12 30.49F WCI -16 TC -17
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR -6 -12 75 S8 30.51S WCI -21 TC -21
DANVILLE* MOCLDY -8 -13 78 SE6 30.52F WCI -21 TC -22
RANTOUL* CLEAR -9 -15 77 S7 30.50F WCI -24 TC -23
MATTOON CLEAR -2 -8 76 S7 30.52S WCI -15 TC -19
PARIS* CLEAR -9 -14 77 SE5 30.55S WCI -20 TC -23
ILZ079-100>102-151000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 10 4 75 SE6 30.53F WCI 1 TC -12
BELLEVILLE CLEAR 10 4 76 SE5 30.54F WCI 2 TC -12
CAHOKIA* CLEAR 11 3 70 SE5 30.54F WCI 3 TC -12
SPARTA* CLEAR 10 3 73 SE5 30.56F WCI 2 TC -12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 10 4 76 S5 30.59F WCI 2 TC -12
CAIRO* CLEAR 12 6 78 CALM 30.61F TC -11
EFFINGHAM* CLEAR 3 -2 80 CALM 30.57F TC -16
MT. VERNON CLEAR N/A N/A N/A S5 30.58F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 9 1 69 S5 30.56S WCI 0 TC -13
METROPOLIS* CLEAR 10 4 77 CALM 30.62R TC -12
ILZ067-068-072-073-078-083-087-091-151000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 0 -6 76 SE3 30.59S TC -18
FLORA* CLEAR 5 1 85 S5 30.58F WCI -4 TC -15
FAIRFIELD* CLEAR 7 1 75 S3 30.59F TC -14
HARRISBURG* CLEAR 10 4 78 S3 30.60F TC -12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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