478
ASUS43 KLOT 311110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CST WED DEC 31 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.
ILZ001-002-007-009-015-016-024-311200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 35 29 78 W8 29.98R WCI 29 TC 2
STERLING* MOCLDY 33 30 88 W7 29.96S WCI 27 TC 1
SAVANNA* CLOUDY 33 28 80 NW9 29.95F WCI 26 TC 1
ILZ003-004-008-010-011-017-018-311200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 30 24 78 NW14 29.93F WCI 19 TC -1
FREEPORT* CLOUDY 32 28 84 W10 29.94F WCI 24 TC 0
DE KALB* CLOUDY 29 26 87 MISG 29.92F TC -2
PERU* CLOUDY 33 31 91 W7 29.96S WCI 27 TC 1
ILZ005-006-012>014-019>023-311200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 28 24 85 NW13 29.90F WCI 17 TC -2
CHICAGO-MIDWAY CLOUDY 29 24 82 W10 29.91S WCI 20 TC -2
AURORA CLOUDY 30 25 81 NW16 29.92S WCI 19 TC -1
JOLIET* CLOUDY 32 28 84 NW9 29.94S WCI 24 TC 0
WAUKEGAN CLOUDY 27 23 85 W9 29.88F WCI 18 TC -3
DUPAGE AIRPORT CLOUDY 29 24 82 NW13 29.90F WCI 19 TC -2
KANKAKEE* CLOUDY 32 27 83 NW9 29.95R WCI 24 TC 0
WHEELING CLOUDY 28 24 85 MISG 29.90F TC -2
MORRIS* CLOUDY 32 29 90 NW12 29.93S WCI 23 TC 0
ROMEOVILLE* CLOUDY 30 27 86 W8G14 29.93S WCI 23 TC -1
LANSING* CLOUDY 28 25 86 NW7 29.92S WCI 21 TC -2
NORTHERLY ISL* N/A 29 24 82 W8 N/A WCI 21 TC -2
LMZ740>746-311200-
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 29 290/ 12/ 13 N/A
NORTHERLY ISL 29 280/ 8/ 12 N/A
CALUMET HARBOR 28 260/ 4/ 10 1012.5R
BURNS HARBOR 29 300/ 10/ 12 1013.2R
MICHIGAN CITY 30 290/ 21/ 24 1012.5S
ILZ025>027-034>036-040-047-049-050-058-095>099-311200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 31 27 85 W8 30.04S WCI 23 TC -1
GALESBURG* CLOUDY 33 33 100 W9 30.00S WCI 25 TC 0
MACOMB* CLOUDY 33 31 92 W9 30.03F WCI 25 TC 1
JACKSONVILLE* CLOUDY 31 26 81 W6 30.02F WCI 25 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-311200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 32 29 88 W9 29.96R WCI 24 TC 0
BLOOMINGTON CLOUDY 30 28 92 W13 29.97F WCI 20 TC -1
DECATUR CLOUDY 32 25 75 W7 29.99S WCI 26 TC 0
PEORIA CLOUDY 33 29 85 W8 29.99S WCI 26 TC 1
LACON* CLOUDY 32 28 84 W3 29.97S TC 0
LINCOLN* MOCLDY 33 26 75 W8 30.00S WCI 26 TC 1
SPRINGFIELD CLOUDY 32 26 78 W8 30.01F WCI 25 TC 0
TAYLORVILLE MOCLDY 29 22 76 W8 30.02S WCI 21 TC -2
ILZ033-039-045-046-055>057-062-063-311200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 30 26 85 W9 29.97S WCI 22 TC -1
DANVILLE* CLOUDY 32 26 79 W9 29.96F WCI 24 TC 0
RANTOUL* CLOUDY 30 26 84 W7 29.96S WCI 23 TC -1
MATTOON CLOUDY 31 22 69 W7 29.98S WCI 24 TC -1
PARIS* CLOUDY 31 22 70 CALM 29.98S TC -1
ILZ079-100>102-311200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 27 19 71 W6 30.05F WCI 20 TC -3
BELLEVILLE CLEAR 28 19 67 W7 30.05S WCI 21 TC -2
CAHOKIA* PTCLDY 28 18 66 CALM 30.06F TC -2
SPARTA* CLEAR 31 18 57 W5 30.08S WCI 26 TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 28 17 63 W3 30.08S TC -2
CAIRO* CLEAR 29 24 82 SW3 30.13R TC -2
EFFINGHAM* MOCLDY 30 19 65 W9 30.03F WCI 21 TC -1
MARION CLEAR 27 17 64 SW3 30.09S TC -3
MT. VERNON CLEAR 25 18 74 SW3 30.05F TC -4
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 29 19 67 W8 30.03F WCI 21 TC -2
METROPOLIS* CLEAR 29 20 70 CALM 30.13R TC -2
ILZ067-068-072-073-078-083-087-091-311200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 30 16 56 W6 30.02F WCI 24 TC -1
FLORA* CLEAR 32 19 59 W10 30.03F WCI 24 TC 0
FAIRFIELD* CLEAR 28 17 65 SW3 30.05F TC -2
HARRISBURG* CLEAR 28 18 68 SW3 30.08S TC -2
ROBINSON* CLOUDY 28 19 69 SW10 30.01S WCI 19 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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