431
ASUS43 KLOT 151010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-151100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 8 -2 63 S5 30.35F WCI 0 TC -13
STERLING* PTCLDY 5 -3 69 VRB7 30.37F WCI -7 TC -15
SAVANNA* PTCLDY 5 -3 68 S10 30.33F WCI -10 TC -15
ILZ003-004-008-010-011-017-018-151100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 5 -3 69 S15 30.33F WCI -13 TC -15
FREEPORT* PTCLDY 7 -1 70 S16 30.32F WCI -12 TC -14
DE KALB* MOCLDY 1 -5 78 S16 30.35F WCI -19 TC -17
PERU* MOCLDY 3 -5 70 S12 30.42F WCI -14 TC -16
ILZ005-006-012>014-019>023-151100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 6 -7 54 S13G23 30.37F WCI -10 TC -14
CHICAGO-MIDWAY MOCLDY 5 -6 60 SW18G25 30.41F WCI -15 TC -15
AURORA MOCLDY 2 -4 76 S13 30.39F WCI -15 TC -17
JOLIET* MOCLDY 6 -2 71 S8 30.45F WCI -7 TC -15
WAUKEGAN MOCLDY 7 -6 55 SW17 30.34F WCI -12 TC -14
DUPAGE AIRPORT MOCLDY 3 -4 72 S15 30.38F WCI -16 TC -16
WHEELING MOCLDY 6 -5 60 MISG 30.38F TC -14
MORRIS* MOCLDY 1 -4 78 S8 30.45F WCI -13 TC -17
ROMEOVILLE* MOCLDY 3 -4 72 S14 30.44F WCI -15 TC -16
LANSING* CLOUDY 3 -8 59 S13 30.45F WCI -14 TC -16
NORTHERLY ISL* N/A 6 -5 60 S9 N/A WCI -8 TC -14
LMZ740>746-151100-
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/ 20/ 23 N/A
NORTHERLY ISL 5 200/ 9/ 13 N/A
CALUMET HARBOR 5 190/ 9/ 13 1030.0F
BURNS HARBOR 3 190/ 8/ 11 1030.8F
MICHIGAN CITY 3 180/ 9/ 11 1032.8F
ILZ025>027-034>036-040-047-049-050-058-095>099-151100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 11 2 67 S14 30.37F WCI -5 TC -12
GALESBURG* PTCLDY 4 1 88 S12 30.36F WCI -12 TC -16
MACOMB* CLEAR 4 -1 79 S13 30.39F WCI -12 TC -15
JACKSONVILLE* CLEAR 6 0 76 S9 30.44F WCI -7 TC -14
ILZ028>032-037-038-041>044-048-051>054-059>061-151100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 0 -7 72 S6 30.46F WCI -11 TC -18
BLOOMINGTON PTCLDY -3 -8 79 S12 30.43F WCI -21 TC -19
DECATUR CLEAR 0 -6 76 S9 30.48F WCI -15 TC -18
PEORIA PTCLDY -1 -7 75 S12 30.43F WCI -18 TC -18
LACON* PTCLDY 1 -8 66 S6 30.43F WCI -10 TC -17
LINCOLN* CLEAR 0 -9 67 S12 30.47F WCI -18 TC -18
SPRINGFIELD CLEAR 3 -2 79 S13 30.46F WCI -14 TC -16
TAYLORVILLE CLEAR 3 -2 80 S12 30.48F WCI -14 TC -16
ILZ033-039-045-046-055>057-062-063-151100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY -5 -11 75 S8 30.49F WCI -20 TC -21
DANVILLE* PTCLDY -4 -10 75 S6 30.52S WCI -17 TC -20
RANTOUL* MOCLDY -7 -13 76 S7 30.48F WCI -21 TC -22
MATTOON FLURRIES -1 -6 79 S9 30.48F WCI -16 TC -18
PARIS* CLEAR -6 -12 77 S7 30.52F WCI -20 TC -21
ILZ079-100>102-151100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 11 3 70 SE6 30.50F WCI 2 TC -12
BELLEVILLE CLEAR 10 4 76 SE6 30.52F WCI 1 TC -12
CAHOKIA* CLEAR 12 3 67 S6 30.52F WCI 3 TC -11
SPARTA* CLEAR 10 3 73 S3 30.55F TC -12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 10 4 76 S5 30.55F WCI 2 TC -12
CAIRO* CLEAR 13 6 73 SE5 30.58F WCI 5 TC -11
EFFINGHAM* CLEAR 4 -1 78 CALM 30.54F TC -15
MT. VERNON CLEAR N/A N/A N/A S5 30.56F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 9 1 70 S5 30.53F WCI 1 TC -13
METROPOLIS* CLEAR 10 4 76 CALM 30.59F TC -12
ILZ067-068-072-073-078-083-087-091-151100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 0 -6 76 SE5 30.57F WCI -10 TC -18
FLORA* CLEAR 7 1 78 S6 30.56F WCI -3 TC -14
FAIRFIELD* CLEAR 7 1 75 CALM 30.58S TC -14
HARRISBURG* CLEAR 10 4 75 SE3 30.57F TC -12
ROBINSON* CLEAR 0 -6 78 S7 30.55F WCI -13 TC -18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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