859
ASUS43 KLOT 300712
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT THU JUL 30 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.
ILZ001-002-007-009-015-016-024-300800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 62 61 96 CALM 30.04S TC 17
STERLING* CLEAR 61 61 100 E5 30.07R TC 16
SAVANNA* CLEAR 63 60 91 NE3 30.06S TC 17
ILZ003-004-008-010-011-017-018-300800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 60 57 89 CALM 30.08R TC 16
FREEPORT* CLEAR 61 59 94 CALM 30.09R TC 16
ROCHELLE* CLEAR 57 54 87 CALM 30.07S TC 14
DE KALB* CLEAR 62 53 72 CALM 30.08S TC 17
PERU* CLEAR 61 57 88 CALM 30.06S TC 16
ILZ005-006-012>014-019>023-300800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 65 55 70 CALM 30.05S TC 18
CHICAGO-MIDWAY CLEAR 66 57 72 CALM 30.05S TC 19
AURORA CLEAR N/A N/A N/A N3 30.06S
JOLIET* CLEAR 60 59 97 CALM 30.06F TC 16
WAUKEGAN CLEAR 60 56 86 SW3 30.05R TC 16
DUPAGE AIRPORT CLEAR 61 57 87 CALM 30.06S TC 16
KANKAKEE* CLEAR 61 59 95 CALM 30.07S TC 16
WHEELING CLEAR 63 59 87 CALM 30.07S TC 17
ROMEOVILLE* CLEAR 64 59 82 CALM 30.06F TC 18
LANSING* CLEAR 60 60 97 CALM 30.06S TC 16
NORTHERLY ISL* N/A 67 63 87 SW1 N/A TC 19
LMZ740>746-300800-
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)
WINTHROP HARBOR 66 1016.7 1
WAUKEGAN HARBOR 67 70 1017.7 1
WILMETTE BUOY 69 250/ 6/ 8 1020.0R 1/ 4
CHICAGO BUOY 72 72 270/ 2 1016.7 1/ 4
NORTHERLY ISL 67 CALM / 2 N/A
CALUMET HARBOR 67 280/ 1/ 1 1017.7
BURNS HARBOR 1017.9S
MICH CITY BUOY 71 72 20/ 2/ 4 N/A 1/ 4
ST. JOSEPH BUOY 70 70 300/ 2/ 4 1018.1R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-300800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 66 64 93 CALM 30.03S TC 19
GALESBURG* CLEAR 61 61 100 CALM 30.06S TC 16
MACOMB* CLEAR 61 61 100 CALM 30.06F TC 16
JACKSONVILLE* CLEAR 62 62 100 CALM 30.03F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-300800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 56 55 99 MISG 30.06S TC 13
BLOOMINGTON CLEAR 62 59 90 E3 30.06F TC 17
DECATUR CLEAR 62 59 90 CALM 30.04S TC 17
PEORIA CLEAR 64 60 87 E3 30.05S TC 18
LACON* CLEAR 61 56 84 CALM 30.04F TC 16
LINCOLN* CLEAR 63 62 97 CALM 30.05S TC 17
SPRINGFIELD CLEAR 64 62 93 NE5 30.03F TC 18
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-300800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 65 61 87 NE6 30.04F TC 18
DANVILLE* CLOUDY 64 62 95 N5 30.05S TC 18
MATTOON CLEAR 64 62 93 NE3 30.02S TC 18
PARIS* CLEAR 64 64 97 NE3 30.04S TC 18
ILZ079-100>102-300800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 66 65 95 CALM 30.02S TC 19
BELLEVILLE CLEAR 71 69 93 CALM 29.98F TC 22
CAHOKIA* CLEAR 70 66 87 CALM 30.00S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-300800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 70 70 99 CALM 29.98S TC 21
EFFINGHAM* CLEAR 66 66 100 CALM 30.04S TC 19
MARION CLEAR 66 66 99 CALM 30.00S TC 19
MT. VERNON FOG 64 63 96 CALM 30.00F VSB 1 TC 18
CENTRALIA* CLEAR 65 64 99 CALM 30.01S FOG TC 18
SALEM* CLEAR 68 65 92 MISG 30.01S TC 20
METROPOLIS* CLEAR 67 67 98 CALM 29.98S TC 20
ILZ067-068-072-073-078-083-087-091-300800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 68 65 90 NE5 30.00F TC 20
FAIRFIELD* CLEAR 68 65 92 CALM 30.00S TC 20
HARRISBURG* CLEAR 70 68 94 N5 29.99S TC 21
ROBINSON* CLEAR 63 63 100 NW2 30.01S FOG TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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