474
ASUS43 KLOT 121210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-121300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 31 19 61 SW10 30.16F WCI 22 TC -1
6HR MIN TEMP: 26; 6HR MAX TEMP: 31;
STERLING* MOCLDY 28 21 75 SW10 30.18R WCI 19 TC -2
SAVANNA* MOCLDY 28 19 69 SW8 30.15F WCI 20 TC -2
ILZ003-004-008-010-011-017-018-121300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 27 20 75 SW10 30.14S WCI 17 TC -3
6HR MIN TEMP: 24; 6HR MAX TEMP: 28;
FREEPORT* PTCLDY N/A N/A N/A SW14 30.14S
DE KALB* PTCLDY 28 20 75 MISG 30.15R TC -2
PERU* PTCLDY 30 19 64 SW14G20 30.18S WCI 20 TC -1
ILZ005-006-012>014-019>023-121300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 28 18 66 SW12 30.14S WCI 18 TC -2
6HR MIN TEMP: 27; 6HR MAX TEMP: 28;
CHICAGO-MIDWAY MOCLDY 28 19 69 SW10 30.16F WCI 19 TC -2
6HR MIN TEMP: 27; 6HR MAX TEMP: 28;
AURORA PTCLDY 27 20 75 SW10 30.15S WCI 17 TC -3
6HR MIN TEMP: 24; 6HR MAX TEMP: 27;
JOLIET* PTCLDY 30 22 72 SW6 30.19S WCI 24 TC -1
WAUKEGAN PTCLDY 28 19 69 SW16G28 30.09F WCI 16 TC -2
6HR MIN TEMP: 26; 6HR MAX TEMP: 29;
DUPAGE AIRPORT PTCLDY 26 20 77 SW14 30.14S WCI 14 TC -3
6HR MIN TEMP: 25; 6HR MAX TEMP: 27;
KANKAKEE* PTCLDY 27 19 73 SW13G18 30.22S WCI 16 TC -3
WHEELING PTCLDY 28 19 69 SW10G21 30.15S WCI 19 TC -2
6HR MIN TEMP: 27; 6HR MAX TEMP: 29;
MORRIS* PTCLDY 28 21 75 SW7 30.18S WCI 21 TC -2
ROMEOVILLE* CLEAR 27 21 80 SW13G18 30.18S WCI 16 TC -3
LANSING* PTCLDY 27 20 75 SW12 30.19F WCI 16 TC -3
NORTHERLY ISL* N/A 28 20 71 W9 N/A WCI 19 TC -2
LMZ740>746-121300-
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/ 17/ 21 N/A
NORTHERLY ISL 28 250/ 7/ 10 N/A
CALUMET HARBOR 28 200/ 9/ 16 1021.1
BURNS HARBOR 29 220/ 9/ 12 1022.0F
MICHIGAN CITY 28 190/ 13/ 15 1022.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-121300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 29 18 63 SW8 30.24F WCI 21 TC -2
GALESBURG* PTCLDY 26 24 91 SW7 30.20F WCI 18 TC -3
MACOMB* PTCLDY 28 20 71 SW7 30.24F WCI 21 TC -2
JACKSONVILLE* CLEAR 29 17 62 S9 30.26F WCI 20 TC -2
ILZ028>032-037-038-041>044-048-051>054-059>061-121300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 28 19 69 SW10 30.21S WCI 19 TC -2
BLOOMINGTON CLEAR 27 20 75 SW18 30.22F WCI 14 TC -3
DECATUR CLEAR 27 19 72 SW14 30.28F WCI 16 TC -3
PEORIA CLEAR 24 18 77 S8 30.23S WCI 15 TC -4
6HR MIN TEMP: 23; 6HR MAX TEMP: 26;
LACON* PTCLDY 29 19 65 SW10G16 30.20S WCI 20 TC -2
LINCOLN* CLEAR 28 17 64 S7 30.26F WCI 21 TC -2
SPRINGFIELD CLEAR 28 18 66 SW9 30.27F WCI 19 TC -2
6HR MIN TEMP: 27; 6HR MAX TEMP: 28;
TAYLORVILLE CLEAR 27 20 74 S13 30.29F WCI 16 TC -3
6HR MIN TEMP: 26; 6HR MAX TEMP: 28;
ILZ033-039-045-046-055>057-062-063-121300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 25 20 81 S16 30.26F WCI 12 TC -4
DANVILLE* CLEAR 25 20 80 SW12 30.28F WCI 15 TC -4
RANTOUL* CLEAR 27 19 71 S12 30.25F WCI 17 TC -3
MATTOON CLEAR 25 19 78 S9 30.31S WCI 15 TC -4
PARIS* CLEAR 25 19 78 S14 30.32F WCI 13 TC -4
ILZ079-100>102-121300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 28 19 71 S8 30.33F WCI 19 TC -2
BELLEVILLE CLEAR 25 17 71 S6 30.35S WCI 18 TC -4
CAHOKIA* CLEAR 25 16 68 CALM 30.35S TC -4
SPARTA* CLEAR 30 16 55 S10 30.38F WCI 21 TC -1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 24 19 81 S7 30.41R WCI 16 TC -4
6HR MIN TEMP: 21; 6HR MAX TEMP: 29;
CAIRO* CLEAR 30 22 72 CALM 30.45R TC -1
EFFINGHAM* CLEAR 26 19 77 S5 30.37S WCI 20 TC -4
MARION CLEAR 25 18 73 SW5 30.42R WCI 19 TC -4
MT. VERNON CLEAR 22 19 89 SW5 30.39F WCI 16 TC -6
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 29 19 66 S8 30.36S WCI 21 TC -1
METROPOLIS* CLEAR 22 19 87 CALM 30.44S TC -6
ILZ067-068-072-073-078-083-087-091-121300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 23 19 85 S8 30.39S WCI 14 TC -5
FLORA* CLEAR 25 19 80 S8 30.38S WCI 16 TC -4
FAIRFIELD* CLEAR 25 19 80 S6 30.40S WCI 18 TC -4
HARRISBURG* CLEAR 21 16 81 CALM 30.43R TC -6
ROBINSON* CLEAR 25 21 86 S9 30.37S WCI 15 TC -4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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