504
ASUS43 KLOT 300710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT TUE JUN 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 80 75 84 S9 29.86S HX 85 TC 27
STERLING* CLEAR 79 78 97 CALM 29.90S HX 83 TC 26
SAVANNA* CLEAR 78 75 90 S7 29.87F HX 80 TC 26
ILZ003-004-008-010-011-017-018-300800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 78 76 93 S8 29.90S HX 81 TC 26
FREEPORT* CLEAR 80 78 95 S12 29.90S HX 85 TC 27
ROCHELLE* CLEAR 77 75 94 S8 29.92R TC 25
DE KALB* CLEAR 77 77 99 SW12 29.93R TC 25
PERU* CLEAR 79 75 89 S7 29.91F HX 82 TC 26
ILZ005-006-012>014-019>023-300800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 82 75 79 SW10 29.90R HX 89 TC 28
CHICAGO-MIDWAY CLEAR 81 76 84 SW13 29.91R HX 87 TC 27
AURORA CLEAR 79 75 87 SW9 29.91R HX 83 TC 26
JOLIET* CLEAR 81 78 90 SW7 29.92S HX 89 TC 27
WAUKEGAN CLEAR 81 76 84 SW12 29.89R HX 87 TC 27
DUPAGE AIRPORT CLEAR 79 75 87 SW13 29.91R HX 83 TC 26
KANKAKEE* CLEAR 77 76 95 S6 29.95S TC 25
WHEELING PTCLDY 82 75 79 SW8 29.91R HX 89 TC 28
ROMEOVILLE* CLEAR 81 79 94 S9 29.93R HX 89 TC 27
LANSING* CLEAR 78 74 89 S10 29.94R HX 80 TC 25
NORTHERLY ISL* N/A 81 73 76 S10 N/A HX 86 TC 27
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 74 61 1012.5 1/ 3
WAUKEGAN HARBOR 76 63 220/ 8/ 10 1013.4 1/ 3
WILMETTE BUOY 76 220/ 12/ 16 1015.5R 1/ 3
CHICAGO BUOY 76 66 210/ 12/ 17 1011.8 1
HARRISON CRIB 82 210/ 17/ 17 N/A
NORTHERLY ISL 82 210/ 8/ 15 N/A
CALUMET HARBOR 81 200/ 12/ 16 1013.0R
BURNS HARBOR 200/ 8/ 10 1014.2R
MICHIGAN CITY 81 180/ 12/ 14 1011.9S
MICH CITY BUOY 75 67 190/ 8/ 12 N/A 1/ 3
ST. JOSEPH BUOY 73 65 170/ 8/ 10 1014.5S 1/ 3
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 79 74 84 S12 29.92R HX 82 TC 26
GALESBURG* PTCLDY 78 74 88 S7 29.92R HX 80 TC 26
MACOMB* PTCLDY 77 77 100 CALM 29.93S TC 25
JACKSONVILLE* CLEAR 77 77 100 S8 29.94R TC 25
PITTSFIELD* CLEAR 78 78 99 S6 29.95R HX 81 TC 26
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 78 77 96 MISG 29.94S HX 81 TC 26
BLOOMINGTON CLEAR 77 77 100 SW12 29.97S TC 25
DECATUR CLEAR 78 74 87 SW9 29.97R HX 81 TC 26
PEORIA CLEAR 78 75 90 S10 29.93R HX 81 TC 26
LACON* CLEAR 79 73 83 S6 29.91S HX 82 TC 26
SPRINGFIELD CLEAR 78 75 90 S6 29.95R HX 81 TC 26
TAYLORVILLE CLEAR 75 75 100 S8 29.97S TC 24
ILZ033-039-045-046-055>057-062-063-300800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 75 75 100 S8 29.98S TC 24
DANVILLE* CLEAR 77 75 93 S8 29.99F TC 25
MATTOON CLEAR 77 74 90 S8 29.98S TC 25
PARIS* CLEAR 75 75 98 S7 30.00S TC 24
ILZ079-100>102-300800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 78 75 90 S8 29.97R HX 80 TC 26
BELLEVILLE CLEAR 79 77 94 SW8 29.95S HX 84 TC 26
CAHOKIA* CLEAR 78 74 87 S5 29.96S HX 81 TC 26
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 CLEAR 80 75 84 SW12G21 29.99F HX 85 TC 27
CAIRO* CLEAR 80 76 89 CALM 30.03S HX 85 TC 27
EFFINGHAM* CLEAR 75 75 99 SE5 30.00F TC 24
MARION CLEAR 78 76 94 SW6 30.02S HX 81 TC 26
MT. VERNON CLEAR 78 75 90 SW9 30.00S HX 81 TC 26
CENTRALIA* CLEAR 78 75 92 CALM 29.99S HX 80 TC 25
SALEM* CLEAR 79 77 93 MISG 29.99S HX 83 TC 26
METROPOLIS* CLEAR 76 76 100 CALM 30.04S TC 25
ILZ067-068-072-073-078-083-087-091-300800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* CLEAR 75 N/A N/A S5 30.00S TC 24
FAIRFIELD* CLEAR 76 74 92 S5 30.00S TC 25
HARRISBURG* CLEAR 72 72 100 S3 30.02S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page