187
ASUS43 KLOT 302301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM 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.
ILZ001-002-007-009-015-016-024-310000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 80 66 62 SE6 30.01F HX 82 TC 27
STERLING* PTSUNNY 80 65 59 E5 30.04F HX 82 TC 27
SAVANNA* PTSUNNY 82 63 51 SE7 30.03S HX 83 TC 28
ILZ003-004-008-010-011-017-018-310000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 62 52 S9 30.05F HX 82 TC 27
FREEPORT* PTSUNNY 81 64 57 S6 30.06S HX 82 TC 27
DE KALB* PTSUNNY 81 62 53 S5 30.06F HX 82 TC 27
ILZ005-006-012>014-019>023-310000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 85 58 39 SW5 30.02F HX 84 TC 29
CHICAGO-MIDWAY PTSUNNY 85 59 41 SW10 30.03S HX 84 TC 29
AURORA PTSUNNY 81 64 56 CALM 30.04F HX 82 TC 27
JOLIET* PTSUNNY 84 63 48 SW3 30.05S HX 85 TC 29
WAUKEGAN MOSUNNY 79 59 50 S10 30.03F HX 80 TC 26
DUPAGE AIRPORT PTSUNNY 82 61 48 SW8 30.04S HX 83 TC 28
KANKAKEE* PTSUNNY 80 64 57 CALM 30.06F HX 81 TC 27
WHEELING MOSUNNY 84 59 42 SE9 30.04S HX 84 TC 29
LANSING* MOSUNNY 82 60 48 SW6 30.04S HX 82 TC 28
NORTHERLY ISL* N/A 77 66 68 E1 N/A TC 25
LMZ740>746-310000-
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 74 140/ 8/ 10 1016.4F 1
WAUKEGAN HARBOR 74 73 170/ 6/ 6 1017.5F 1
WILMETTE BUOY 75 130/ 8/ 12 1020.3F 1/ 2
CHICAGO BUOY 76 73 1016.0 1/ 2
HARRISON CRIB 77 100/ 11/ 11 N/A
NORTHERLY ISL 77 100/ 3/ 6 N/A
CALUMET HARBOR 77 90/ 9/ 11 1017.3
BURNS HARBOR 1017.9S
MICHIGAN CITY 78 40/ 8/ 8 1016.0F
MICH CITY BUOY 76 74 70/ 8/ 10 N/A 1
ST. JOSEPH BUOY 76 72 80/ 2/ 4 1018.5F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-310000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 81 67 62 SE8 30.00F HX 83 TC 27
MACOMB* MOSUNNY 81 68 64 CALM 30.03F HX 84 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-310000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 82 61 48 SE8 30.05F HX 83 TC 28
DECATUR MOSUNNY 82 62 50 SE6 30.04F HX 83 TC 28
PEORIA MOSUNNY 83 62 49 VRB7 30.02F HX 84 TC 28
LACON* MOSUNNY 83 60 44 S7 30.02F HX 83 TC 29
LINCOLN* MOSUNNY 84 64 50 S5 30.03F HX 86 TC 29
SPRINGFIELD MOSUNNY 81 65 58 SE7 30.02F HX 83 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-310000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 82 61 48 E3 30.05F HX 83 TC 28
MATTOON MOSUNNY 82 58 43 SE3 30.04F HX 82 TC 28
ILZ079-100>102-310000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 82 66 57 E7 30.01F HX 85 TC 28
CAHOKIA* PTSUNNY 86 66 51 SE8 29.99F HX 88 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-310000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOSUNNY 86 69 56 CALM 29.99S HX 91 TC 30
EFFINGHAM* MOSUNNY 83 65 56 NE3 30.04F HX 84 TC 28
MT. VERNON MOSUNNY 86 63 45 NE7 30.02S HX 87 TC 30
CENTRALIA* MOSUNNY 85 64 49 CALM 30.01F HX 87 TC 30
SALEM* MOSUNNY 82 66 57 MISG 30.02F HX 84 TC 28
ILZ067-068-072-073-078-083-087-091-310000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 82 58 43 CALM 30.03S HX 82 TC 28
FAIRFIELD* SUNNY 81 63 53 NE6 30.01F HX 83 TC 27
HARRISBURG* SUNNY 83 66 56 E5 30.02S HX 85 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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