948
ASUS43 KLOT 121101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-121200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 30 18 60 SW9 30.17F WCI 22 TC -1
STERLING* MOCLDY 28 21 75 SW12 30.16F WCI 18 TC -2
SAVANNA* MOCLDY 29 19 65 SW7 30.16R WCI 22 TC -1
ILZ003-004-008-010-011-017-018-121200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 27 19 72 SW9 30.14F WCI 18 TC -3
FREEPORT* PTCLDY N/A N/A N/A SW14 30.14S
ILZ005-006-012>014-019>023-121200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 28 18 66 SW13G22 30.14F WCI 17 TC -2
CHICAGO-MIDWAY MOCLDY 28 19 69 SW14 30.17F WCI 17 TC -2
AURORA PTCLDY 26 20 77 SW12 30.15F WCI 16 TC -3
JOLIET* PTCLDY 29 22 74 SW7 30.20S WCI 22 TC -1
WAUKEGAN PTCLDY 28 18 66 SW15 30.10F WCI 16 TC -2
DUPAGE AIRPORT PTCLDY 26 20 77 SW15 30.14F WCI 14 TC -3
WHEELING PTCLDY 29 19 66 SW9G23 30.15F WCI 20 TC -2
MORRIS* PTCLDY 28 21 75 SW9 30.19S WCI 19 TC -2
LANSING* PTCLDY 26 19 77 SW14 30.20F WCI 14 TC -3
NORTHERLY ISL* N/A 28 19 69 SW8 N/A WCI 20 TC -2
LMZ740>746-121200-
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 31 220/ 20/ 22 N/A
NORTHERLY ISL 29 220/ 8/ 11 N/A
BURNS HARBOR 29 220/ 9/ 12 1022.7F
MICHIGAN CITY 28 200/ 17/ 20 1022.7F
ILZ025>027-034>036-040-047-049-050-058-095>099-121200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 28 18 66 SW10 30.25S WCI 19 TC -2
MACOMB* CLEAR 30 19 65 SW12 30.24S WCI 20 TC -1
ILZ028>032-037-038-041>044-048-051>054-059>061-121200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 28 19 69 SW13 30.22F WCI 18 TC -2
BLOOMINGTON CLEAR 25 20 81 SW17 30.23F WCI 12 TC -4
DECATUR CLEAR 27 19 72 SW13 30.29F WCI 16 TC -3
PEORIA CLEAR 25 19 78 SW9 30.23F WCI 15 TC -4
LINCOLN* CLEAR 27 18 67 S5 30.27F WCI 22 TC -3
SPRINGFIELD CLEAR 28 19 69 S10 30.28F WCI 19 TC -2
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 24 20 84 S14 30.29F WCI 12 TC -4
DANVILLE* CLEAR 25 20 82 S14 30.31S WCI 13 TC -4
RANTOUL* CLEAR 27 19 73 SW9 30.27F WCI 17 TC -3
MATTOON CLEAR 25 19 78 S9 30.31F WCI 15 TC -4
PARIS* CLEAR 25 19 78 SW10 30.33S WCI 15 TC -4
ILZ079-100>102-121200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 25 18 75 S7 30.35F WCI 17 TC -4
CAHOKIA* CLEAR 27 17 66 S6 30.35F WCI 20 TC -3
SPARTA* CLEAR 29 16 59 S7 30.39S WCI 22 TC -2
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 29 20 69 SW9 30.40F WCI 20 TC -2
EFFINGHAM* CLEAR 25 20 81 S5 30.37S WCI 19 TC -4
MT. VERNON CLEAR 20 17 88 CALM 30.40S TC -7
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 28 19 69 S7 30.36F WCI 21 TC -2
METROPOLIS* CLEAR 22 19 89 CALM 30.43F TC -6
ILZ067-068-072-073-078-083-087-091-121200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 23 19 85 S8 30.39F WCI 14 TC -5
FLORA* CLEAR 23 19 86 S8 30.39S WCI 14 TC -5
FAIRFIELD* CLEAR 24 19 82 S5 30.41R WCI 18 TC -4
HARRISBURG* CLEAR 24 18 78 CALM 30.42F TC -4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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