775
ASUS43 KLOT 251501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT MON MAY 25 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.
ILZ001-002-007-009-015-016-024-251600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 77 56 48 SW8 30.12S TC 25
STERLING* SUNNY 78 57 48 SW7 30.14F TC 26
SAVANNA* MOSUNNY 75 55 49 SW3 30.12F TC 24
ILZ003-004-008-010-011-017-018-251600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 76 54 46 W5 30.14S TC 24
FREEPORT* MOSUNNY 77 57 49 W8 30.14F TC 25
DE KALB* SUNNY 73 60 64 S8 30.16F TC 23
PERU* SUNNY 75 54 46 SW10 30.15F TC 24
ILZ005-006-012>014-019>023-251600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 75 52 44 SW10 30.14S TC 24
CHICAGO-MIDWAY MOSUNNY 74 55 51 SW7 30.15S TC 23
AURORA SUNNY 74 55 51 S6 30.15S TC 23
JOLIET* SUNNY 75 58 55 S7 30.17S TC 24
WAUKEGAN SUNNY 75 56 51 S9 30.12F TC 24
DUPAGE AIRPORT SUNNY 73 55 53 SW8 30.15S TC 23
KANKAKEE* SUNNY 73 52 46 S3 30.19R TC 23
WHEELING MOSUNNY 75 54 47 SW8 30.15S TC 24
MORRIS* SUNNY 73 57 56 SW7 30.16S TC 23
ROMEOVILLE* SUNNY 73 59 60 S9 30.17S TC 23
LANSING* SUNNY 73 54 50 W8 30.18S TC 23
NORTHERLY ISL* N/A 73 52 47 S6 N/A TC 23
LMZ740>746-251600-
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 54 1026.5R 1
WAUKEGAN HARBOR 60 55 160/ 6/ 8 1020.0S 0
WILMETTE BUOY 61 180/ 6/ 8 1022.7R 0
CHICAGO BUOY 64 57 210/ 6/ 8 1019.6F 0
HARRISON CRIB 71 200/ 10/ 12 N/A
NORTHERLY ISL 72 250/ 6/ 8 N/A
CALUMET HARBOR 71 200/ 8/ 10 1021.1
BURNS HARBOR 72 200/ 5/ 6 1022.0S
MICHIGAN CITY 69 210/ 6/ 6 1020.2F
ST. JOSEPH BUOY 60 170/ 4/ 6 1022.0F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-251600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 76 55 48 S9 30.15S TC 24
MACOMB* SUNNY 75 54 46 S7 30.17S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-251600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 75 55 49 S3 30.19S TC 24
DECATUR MOSUNNY 73 51 46 E6 30.18S TC 23
PEORIA SUNNY 73 57 57 S7 30.16F TC 23
SPRINGFIELD SUNNY 74 53 48 S7 30.17S TC 23
TAYLORVILLE MOSUNNY 73 50 43 E6 30.19R TC 23
ILZ033-039-045-046-055>057-062-063-251600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 75 50 41 NE6 30.19R TC 24
DANVILLE* N/A 75 46 36 E3 30.19S VSB 3/4 TC 24
MATTOON MOSUNNY 72 52 49 E9 30.16F TC 22
PARIS* MOSUNNY 70 52 52 E7 30.18F TC 21
ILZ079-100>102-251600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 55 53 E9 30.18S TC 23
CAHOKIA* PTSUNNY 75 52 44 E7 30.16S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-251600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 71 62 73 NE8 30.13S TC 22
CAIRO* CLOUDY 73 66 81 NE12 30.12S TC 23
MARION MOSUNNY 70 63 78 NE6 30.14S TC 21
MT. VERNON PTSUNNY 70 59 68 NE6 30.15F TC 21
CENTRALIA* PTSUNNY 73 55 54 CALM 30.16S TC 23
SALEM* PTSUNNY 73 57 55 MISG 30.16S TC 23
ILZ067-068-072-073-078-083-087-091-251600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 70 61 73 NE8 30.15S TC 21
FLORA* PTSUNNY 70 59 68 NE8 30.17S TC 21
FAIRFIELD* PTSUNNY 71 60 67 NE9 30.14F TC 22
HARRISBURG* PTSUNNY 71 64 77 N3 30.14S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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