740
ASUS43 KLOT 120801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-120900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 28 19 69 SW8 30.21F WCI 20 TC -2
STERLING* PTCLDY 27 21 78 VRB7 30.22F WCI 19 TC -3
SAVANNA* MOCLDY 25 20 81 S6 30.20F WCI 18 TC -4
ILZ003-004-008-010-011-017-018-120900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 26 21 81 S10 30.20F WCI 16 TC -3
FREEPORT* MOCLDY N/A N/A N/A SW14G21 30.19F
ILZ005-006-012>014-019>023-120900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 27 19 72 SW10G21 30.21F WCI 17 TC -3
CHICAGO-MIDWAY PTCLDY 27 20 75 SW16 30.24F WCI 15 TC -3
AURORA PTCLDY 24 21 88 SW13 30.23F WCI 12 TC -4
JOLIET* PTCLDY 27 23 82 S9 30.27F WCI 18 TC -3
WAUKEGAN CLEAR 27 20 75 SW17 30.17F WCI 14 TC -3
DUPAGE AIRPORT CLEAR 25 21 85 SW12G21 30.21F WCI 14 TC -4
WHEELING CLEAR 27 20 75 SW10G20 30.22F WCI 17 TC -3
MORRIS* CLEAR 27 21 80 SW10 30.26F WCI 17 TC -3
LANSING* PTCLDY 26 20 80 SW12G17 30.27F WCI 15 TC -4
NORTHERLY ISL* N/A 27 21 78 W8 N/A WCI 19 TC -3
LMZ740>746-120900-
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 29 210/ 17/ 22 N/A
NORTHERLY ISL 28 200/ 6/ 12 N/A
CALUMET HARBOR 27 210/ 11/ 17 1023.9F
BURNS HARBOR 28 210/ 7/ 10 1025.4F
MICHIGAN CITY 27 200/ 14/ 16 1025.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-120900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 29 18 63 SW12 30.29F WCI 19 TC -2
MACOMB* CLEAR 27 20 75 SW7 30.30S WCI 20 TC -3
ILZ028>032-037-038-041>044-048-051>054-059>061-120900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 26 20 77 S12 30.29F WCI 16 TC -3
BLOOMINGTON CLEAR 25 21 85 SW15 30.29F WCI 13 TC -4
DECATUR CLEAR 25 20 81 S8 30.36F WCI 16 TC -4
PEORIA CLEAR 24 19 81 SW8 30.30F WCI 15 TC -4
LINCOLN* CLEAR 27 19 71 S5 30.32F WCI 21 TC -3
SPRINGFIELD CLEAR 28 19 69 SW9 30.34F WCI 19 TC -2
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-120900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 23 20 88 S9 30.34F WCI 13 TC -5
DANVILLE* CLEAR 24 20 84 SW12 30.37F WCI 13 TC -4
RANTOUL* CLEAR 24 20 83 S7 30.34F WCI 16 TC -4
MATTOON CLEAR 24 20 84 S8 30.36F WCI 15 TC -4
PARIS* CLEAR 23 19 83 CALM 30.39S TC -5
ILZ079-100>102-120900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 26 20 76 S5 30.39F WCI 20 TC -3
CAHOKIA* CLEAR 22 18 85 S6 30.39F WCI 14 TC -6
SPARTA* CLEAR 30 16 55 S8 30.44S WCI 23 TC -1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-120900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 22 19 89 S6 30.44F WCI 14 TC -6
EFFINGHAM* CLEAR 25 20 83 S5 30.42R WCI 19 TC -4
MT. VERNON CLEAR 22 20 92 CALM 30.43F TC -6
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 29 20 70 CALM 30.40F TC -2
METROPOLIS* CLEAR 22 19 90 CALM 30.48S TC -6
ILZ067-068-072-073-078-083-087-091-120900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 23 18 81 S10 30.42F WCI 12 TC -5
FLORA* CLEAR 23 19 86 S6 30.42F WCI 16 TC -5
FAIRFIELD* CLEAR 24 19 81 S6 30.44F WCI 17 TC -4
HARRISBURG* CLEAR 22 19 87 CALM 30.46F TC -5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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