927
ASUS43 KLOT 041701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT FRI SEP 04 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.
ILZ001-002-007-009-015-016-024-041800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 93 72 50 W7 29.95S HX 101 TC 34
STERLING* PTSUNNY 91 75 59 NE14 29.98R HX 101 TC 33
SAVANNA* CLOUDY 92 72 51 SW3 29.95S HX 99 TC 33
ILZ003-004-008-010-011-017-018-041800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 82 72 71 E12G21 29.99F HX 87 TC 28
ILZ005-006-012>014-019>023-041800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 82 70 66 E14 30.01F HX 86 TC 28
CHICAGO-MIDWAY MOSUNNY 82 69 64 E18G29 30.02R HX 85 TC 28
AURORA MOSUNNY 85 73 67 E17 30.00S HX 91 TC 29
JOLIET* MOSUNNY 88 77 69 NE15 30.00R HX 100 TC 31
WAUKEGAN TSTM 73 70 90 SE10 30.00F TC 23
DUPAGE AIRPORT MOSUNNY 82 71 69 E15G25 30.02S HX 86 TC 28
WHEELING PTSUNNY 79 70 74 NE7G20 30.03F HX 82 TC 26
LANSING* PTSUNNY 84 73 69 N9 30.02R HX 90 TC 29
NORTHERLY ISL* N/A 79 68 69 E14 N/A HX 81 TC 26
LMZ740>746-041800-
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 73 71 130/ 12/ 19 1013.4R 3/ 5
WAUKEGAN HARBOR 72 70 160/ 6/ 10 1016.8S 3/ 5
WILMETTE BUOY 74 110/ 14/ 17 1019.3F 3/ 4
NORTHERLY ISL 77 30/ 14/ 14 N/A
CALUMET HARBOR 77 10/ 10/ 14 1017.0R
MICH CITY BUOY 76 73 50/ 17/ 25 N/A 2/ 3
ST. JOSEPH BUOY 72 73 70/ 10/ 14 1018.2R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-041800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 93 71 48 W6 30.00R HX 100 TC 34
MACOMB* SUNNY 91 78 66 W7 30.01S HX 105 TC 33
ILZ028>032-037-038-041>044-048-051>054-059>061-041800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 93 75 55 W10 30.01S HX 104 TC 34
DECATUR SUNNY 94 71 47 SW9 30.00F HX 101 TC 34
PEORIA SUNNY 92 73 53 W7 29.98S HX 100 TC 33
LINCOLN* SUNNY 94 74 51 SW6 29.99S HX 105 TC 35
SPRINGFIELD SUNNY 95 71 45 NW9 29.99S HX 102 TC 35
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-041800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 92 75 57 SW7 30.01S HX 103 TC 33
MATTOON SUNNY 94 70 45 W8 30.01S HX 100 TC 34
ILZ079-100>102-041800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 93 73 52 W6 30.00S HX 102 TC 34
CAHOKIA* SUNNY 97 70 41 VRB7 29.99F HX 103 TC 36
SPARTA* SUNNY 95 69 41 W3 30.02F HX 100 TC 35
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-041800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* SUNNY 96 65 35 SW9G17 30.03S HX 98 TC 36
MT. VERNON SUNNY 98 71 41 S6 30.01F HX 106 TC 37
CENTRALIA* SUNNY 97 68 38 SW9 30.01F HX 102 TC 36
SALEM* SUNNY 98 69 39 MISG 30.01S HX 104 TC 37
ILZ067-068-072-073-078-083-087-091-041800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 99 68 36 W8 30.01S HX 104 TC 37
FAIRFIELD* SUNNY 96 67 37 SW8 30.00F HX 100 TC 36
HARRISBURG* SUNNY 97 72 45 SW7 30.02S HX 106 TC 36
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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