434
ASUS43 KLOT 051701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SAT SEP 05 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.
ILZ001-002-007-009-015-016-024-051800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 90 76 63 E8 29.97R HX 101 TC 32
STERLING* PTSUNNY 89 77 67 NE7 29.99S HX 101 TC 32
SAVANNA* MOSUNNY 84 74 70 N8 30.00R HX 91 TC 29
ILZ003-004-008-010-011-017-018-051800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 81 72 74 N8 30.01S HX 85 TC 27
FREEPORT* PTSUNNY 84 78 83 NE7 30.02S HX 94 TC 29
ILZ005-006-012>014-019>023-051800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 70 76 N10 29.99R HX 80 TC 26
CHICAGO-MIDWAY PTSUNNY 82 71 69 NE10 29.97S HX 86 TC 28
AURORA MOSUNNY 83 74 74 NE9 29.98S HX 89 TC 28
JOLIET* MOSUNNY 88 76 68 NE7 29.97S HX 98 TC 31
WAUKEGAN CLOUDY 75 70 84 N8 30.00R TC 24
DUPAGE AIRPORT PTSUNNY 82 74 76 N12 29.98F HX 88 TC 28
WHEELING CLOUDY 76 71 85 NE10 30.01S TC 24
LANSING* MOSUNNY 83 70 64 NE9 29.97S HX 87 TC 28
NORTHERLY ISL* N/A 79 70 74 N12 N/A HX 82 TC 26
LMZ740>746-051800-
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 71 72 320/ 8/ 12 1016.9R 1/ 4
WAUKEGAN HARBOR 71 70 330/ 8/ 10 1016.4R 1/ 3
WILMETTE BUOY 74 50/ 10/ 14 1019.0R 1/ 3
CHICAGO BUOY 75 75 1014.3R 1/ 3
HARRISON CRIB 75 10/ 12/ 13 N/A
NORTHERLY ISL 79 350/ 5/ 11 N/A
CALUMET HARBOR 77 1015.3R
MICHIGAN CITY 78 330/ 4/ 6 1013.3R
MICH CITY BUOY 74 75 340/ 8/ 10 N/A 1
ST. JOSEPH BUOY 74 76 360/ 8/ 10 1015.7R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-051800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 95 73 48 NW6 29.97R HX 104 TC 35
MACOMB* MOSUNNY 92 77 59 W7 29.99S HX 105 TC 34
ILZ028>032-037-038-041>044-048-051>054-059>061-051800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOSUNNY 92 77 61 N10 29.97F HX 105 TC 33
DECATUR MOSUNNY 95 72 47 NW10 29.95F HX 103 TC 35
PEORIA SUNNY 91 76 61 N5 29.96S HX 103 TC 33
LINCOLN* MOSUNNY 94 75 54 N3 29.95F HX 106 TC 35
SPRINGFIELD MOSUNNY 94 73 50 N6 29.95F HX 103 TC 34
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-051800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 90 75 61 NW9 29.95F HX 100 TC 32
MATTOON PTSUNNY 92 72 51 NW8 29.94S HX 99 TC 33
ILZ079-100>102-051800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 93 73 52 NW5 29.95F HX 102 TC 34
CAHOKIA* SUNNY 97 71 42 CALM 29.94F HX 104 TC 36
SPARTA* SUNNY 96 70 42 NW5 29.96F HX 103 TC 36
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-051800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 97 68 38 W8 29.94F HX 101 TC 36
EFFINGHAM* SUNNY 96 69 40 W6 29.96S HX 101 TC 36
MT. VERNON SUNNY 97 72 44 W5 29.94F HX 105 TC 36
SALEM* SUNNY 98 74 44 MISG 29.94F HX 109 TC 37
ILZ067-068-072-073-078-083-087-091-051800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 98 70 40 MISG 29.93F HX 105 TC 37
FAIRFIELD* SUNNY 99 66 34 SW3 29.93F HX 103 TC 37
HARRISBURG* SUNNY 98 70 41 NW5 29.94F HX 104 TC 36
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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