593
ASUS43 KLOT 121010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CST MON JAN 12 2026
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.
ILZ001-002-007-009-015-016-024-121100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 29 19 66 SW8 30.18F WCI 21 TC -2
STERLING* MOCLDY 28 21 75 SW10 30.19F WCI 19 TC -2
SAVANNA* MOCLDY 29 19 66 SW7 30.17F WCI 22 TC -2
ILZ003-004-008-010-011-017-018-121100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 28 19 69 SW13 30.16F WCI 17 TC -2
FREEPORT* PTCLDY N/A N/A N/A SW14 30.15F
DE KALB* PTCLDY 25 21 83 MISG 30.16F TC -4
PERU* PTCLDY 30 19 64 SW13G20 30.20F WCI 20 TC -1
ILZ005-006-012>014-019>023-121100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 27 19 72 SW12G22 30.16F WCI 17 TC -3
CHICAGO-MIDWAY MOCLDY 28 19 69 SW14 30.18F WCI 17 TC -2
AURORA PTCLDY 25 21 85 SW9 30.17F WCI 15 TC -4
JOLIET* PTCLDY 29 22 76 SW10 30.20F WCI 20 TC -2
WAUKEGAN PTCLDY 28 18 66 SW15G24 30.12F WCI 16 TC -2
DUPAGE AIRPORT PTCLDY 27 20 75 SW14 30.16F WCI 16 TC -3
KANKAKEE* CLEAR 26 19 77 SW15G21 30.26F WCI 13 TC -3
WHEELING PTCLDY 28 19 69 SW8 30.17F WCI 20 TC -2
MORRIS* PTCLDY 28 21 76 SW13 30.19F WCI 17 TC -2
ROMEOVILLE* PTCLDY 27 21 80 S16 30.19F WCI 14 TC -3
LANSING* PTCLDY 26 20 78 SW13 30.21F WCI 15 TC -3
NORTHERLY ISL* N/A 29 20 69 S12 N/A WCI 19 TC -2
LMZ740>746-121100-
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 30 220/ 21/ 25 N/A
NORTHERLY ISL 28 260/ 6/ 12 N/A
CALUMET HARBOR 28 200/ 12/ 15 1022.1F
BURNS HARBOR 28 200/ 8/ 11 1023.4F
MICHIGAN CITY 27 180/ 12/ 16 1023.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-121100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 29 17 61 SW13 30.25F WCI 19 TC -2
GALESBURG* CLEAR 25 23 92 S7 30.22F WCI 17 TC -4
MACOMB* CLEAR 29 19 68 SW12 30.25F WCI 19 TC -2
JACKSONVILLE* CLEAR 28 18 66 S9 30.29F WCI 19 TC -2
ILZ028>032-037-038-041>044-048-051>054-059>061-121100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 27 20 74 S13 30.24F WCI 16 TC -3
BLOOMINGTON CLEAR 26 20 77 SW15 30.26F WCI 14 TC -3
DECATUR CLEAR 26 19 74 SW12 30.31F WCI 16 TC -3
PEORIA CLEAR 25 19 78 S10 30.24F WCI 15 TC -4
LACON* CLEAR 28 19 70 S7 30.21F WCI 21 TC -2
LINCOLN* CLEAR 27 18 68 S5 30.29F WCI 22 TC -3
SPRINGFIELD CLEAR 27 19 72 S12 30.30F WCI 17 TC -3
TAYLORVILLE CLEAR 28 20 73 S12 30.32F WCI 17 TC -2
ILZ033-039-045-046-055>057-062-063-121100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 24 20 84 S14 30.30F WCI 12 TC -4
DANVILLE* CLEAR 24 20 83 SW13 30.31F WCI 13 TC -4
RANTOUL* CLEAR 26 19 76 SW9 30.28F WCI 17 TC -3
MATTOON CLEAR 25 20 81 S10 30.32F WCI 15 TC -4
PARIS* CLEAR 25 19 78 SW14 30.34F WCI 13 TC -4
ILZ079-100>102-121100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 27 19 72 S8 30.35F WCI 19 TC -3
BELLEVILLE CLEAR 24 17 74 CALM 30.37F TC -5
CAHOKIA* CLEAR 25 16 68 CALM 30.37F TC -4
SPARTA* CLEAR 29 17 59 S8 30.39F WCI 21 TC -2
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 29 20 69 SW9 30.41F WCI 20 TC -2
CAIRO* CLEAR 30 22 70 CALM 30.45F TC -1
EFFINGHAM* CLEAR 25 20 83 S7 30.38F WCI 17 TC -4
MARION CLEAR 26 18 72 S7 30.42F WCI 18 TC -4
MT. VERNON CLEAR 19 17 92 CALM 30.40F TC -7
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 29 20 68 S6 30.38F WCI 23 TC -2
METROPOLIS* CLEAR 23 18 82 CALM 30.45F TC -5
ILZ067-068-072-073-078-083-087-091-121100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 22 18 85 S7 30.41F WCI 13 TC -6
FLORA* CLEAR 23 19 86 S6 30.40F WCI 16 TC -5
FAIRFIELD* CLEAR 24 19 83 S5 30.41F WCI 18 TC -4
HARRISBURG* CLEAR 22 19 88 CALM 30.43S TC -6
ROBINSON* CLEAR 23 21 93 S8 30.38F WCI 14 TC -5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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