253
ASUS43 KLOT 200706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CST TUE JAN 20 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.
ILZ001-002-007-009-015-016-024-200800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 4 -3 73 CALM 30.35S TC -16
STERLING* CLEAR 4 -2 76 SW8 30.35S WCI -9 TC -16
SAVANNA* CLEAR 6 -3 67 SW8 30.33S WCI -7 TC -14
ILZ003-004-008-010-011-017-018-200800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 0 -5 79 SW5 30.32S WCI -10 TC -18
FREEPORT* CLEAR 3 -3 75 SW7 30.32R WCI -9 TC -16
DE KALB* CLEAR 2 -4 74 MISG 30.30S TC -16
PERU* CLEAR 7 -2 66 SW7 30.35S WCI -5 TC -14
ILZ005-006-012>014-019>023-200800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 3 -6 66 W7 30.30F WCI -9 TC -16
CHICAGO-MIDWAY CLEAR 5 -5 63 W10 30.32F WCI -10 TC -15
AURORA CLEAR 0 -5 79 W7 30.31F WCI -13 TC -18
JOLIET* CLEAR 7 -2 68 SW3 30.35S TC -14
WAUKEGAN CLEAR 1 -7 68 W8 30.28F WCI -13 TC -17
DUPAGE AIRPORT CLEAR 3 -4 72 W7 30.30S WCI -9 TC -16
KANKAKEE* CLEAR 6 -3 66 W6 30.37R WCI -5 TC -15
WHEELING CLEAR 3 -6 66 W6 30.32F WCI -8 TC -16
MORRIS* CLEAR 3 -4 72 W5 30.34S WCI -6 TC -16
ROMEOVILLE* CLEAR 3 -4 72 SW7 30.34S WCI -9 TC -16
LANSING* CLEAR 2 -6 67 W5 30.34S WCI -7 TC -16
NORTHERLY ISL* N/A 6 -4 63 W10 N/A WCI -8 TC -14
LMZ740>746-200800-
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 6 270/ 14/ 17 N/A
NORTHERLY ISL 6 290/ 10/ 19 N/A
CALUMET HARBOR 5 240/ 5/ 7 1026.4
BURNS HARBOR 9 280/ 12/ 15 1026.4S
MICHIGAN CITY 10 280/ 20/ 24 1027.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-200800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 10 0 63 S5 30.37S WCI 2 TC -12
GALESBURG* PTCLDY 5 2 90 CALM N/A TC -15
MACOMB* CLOUDY 8 0 68 CALM 30.39S TC -13
JACKSONVILLE* CLOUDY 12 -3 52 SW6 30.39F WCI 2 TC -11
ILZ028>032-037-038-041>044-048-051>054-059>061-200800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 6 -4 61 W6 30.37S WCI -4 TC -14
BLOOMINGTON PTCLDY 6 -3 66 W6 30.36S WCI -4 TC -14
DECATUR MOCLDY 8 -3 61 SW5 30.39F WCI 0 TC -13
PEORIA PTCLDY 7 -3 64 SW5 30.38S WCI -2 TC -14
LACON* PTCLDY 6 -5 61 SW5 30.37S WCI -3 TC -14
LINCOLN* MOCLDY 9 -3 58 CALM 30.40S TC -13
SPRINGFIELD MOCLDY 10 1 67 S3 30.39F TC -12
TAYLORVILLE MOCLDY 13 -1 54 SW6 30.42R WCI 4 TC -10
ILZ033-039-045-046-055>057-062-063-200800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 4 -2 76 SW6 30.38R WCI -7 TC -16
DANVILLE* MOCLDY 9 -3 58 W6 30.39R WCI -1 TC -13
RANTOUL* MOCLDY 7 -2 66 W3 30.37F TC -14
MATTOON MOCLDY 10 -1 61 CALM 30.39R TC -12
PARIS* MOCLDY 9 -4 54 CALM 30.41R TC -13
ILZ079-100>102-200800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 13 2 61 SW3 30.43F TC -11
BELLEVILLE CLEAR 9 1 71 CALM 30.44S TC -13
CAHOKIA* CLEAR 13 0 56 SW3 30.45S TC -11
SPARTA* CLEAR 14 -3 46 SW3 30.47R TC -10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 10 5 80 SW3 30.48R TC -12
CAIRO* CLEAR 14 8 78 CALM 30.49R TC -10
EFFINGHAM* MOCLDY 13 1 58 W5 30.44R WCI 6 TC -10
MARION CLEAR 10 1 67 CALM 30.48R TC -12
MT. VERNON PTCLDY 6 2 83 CALM 30.46R TC -14
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 12 2 65 CALM 30.44R TC -11
ILZ067-068-072-073-078-083-087-091-200800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 12 3 67 S5 30.44S WCI 4 TC -11
FLORA* PTCLDY 12 3 67 SW6 30.45R WCI 3 TC -11
FAIRFIELD* PTCLDY 8 2 76 CALM 30.46R TC -13
HARRISBURG* CLEAR 9 4 79 CALM 30.48R TC -13
ROBINSON* MOCLDY 14 0 52 W5 30.43S WCI 6 TC -10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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