482
ASUS43 KLOT 221110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT FRI MAY 22 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.
ILZ001-002-007-009-015-016-024-221200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 55 41 59 NE10 30.07F TC 13
STERLING* MOCLDY 55 41 59 E9 30.13R TC 13
SAVANNA* CLOUDY 54 40 60 E7 30.13S TC 12
ILZ003-004-008-010-011-017-018-221200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 52 42 69 NE6 30.16F TC 11
FREEPORT* CLOUDY 52 44 73 E10 30.16F TC 11
ROCHELLE* CLOUDY 54 42 64 E9 30.13F TC 12
DE KALB* CLOUDY 53 44 71 E14 30.15S TC 12
PERU* CLOUDY N/A N/A N/A E12G18 30.10S
ILZ005-006-012>014-019>023-221200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 52 41 66 E15 30.15F TC 11
CHICAGO-MIDWAY CLOUDY 53 43 68 E10 30.16S TC 12
AURORA CLOUDY 55 43 63 E13 30.12F TC 13
JOLIET* CLOUDY 57 43 59 E9 30.13F TC 14
WAUKEGAN CLOUDY 48 39 71 E14 30.18F TC 9
DUPAGE AIRPORT CLOUDY 53 43 68 NE10 30.14S TC 12
KANKAKEE* CLOUDY 55 41 59 E13 30.12F TC 13
WHEELING CLOUDY 51 41 68 E10 30.18F TC 11
MORRIS* CLOUDY 55 43 62 E8 30.11S TC 13
ROMEOVILLE* CLOUDY 55 45 67 NE13G18 30.14S TC 13
LANSING* CLOUDY 54 41 62 NE7 30.15F TC 12
NORTHERLY ISL* N/A 51 44 77 NE15 N/A TC 11
LMZ740>746-221200-
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 50 1020.6 3/ 4
WAUKEGAN HARBOR 49 50 30/ 14/ 17 1021.2 3/ 4
WILMETTE BUOY 50 90/ 16/ 21 1022.3S 3/ 4
CHICAGO BUOY 52 54 60/ 17/ 23 1020.1 3/ 5
HARRISON CRIB 51 60/ 21/ 22 N/A
NORTHERLY ISL 51 50/ 15/ 18 N/A
CALUMET HARBOR 52 30/ 9/ 13 1021.4
BURNS HARBOR 54 80/ 6/ 7 1021.7S
MICHIGAN CITY 53 60/ 10/ 11 1020.6R
ST. JOSEPH BUOY 52 80/ 8/ 12 1022.6R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-221200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 48 64 E9 30.00F TC 16
GALESBURG* CLOUDY 55 41 59 E12 30.07F TC 13
MACOMB* CLOUDY 57 46 65 E12 30.06F TC 14
JACKSONVILLE* CLOUDY 59 48 66 E12 30.03R TC 15
PITTSFIELD* CLOUDY 61 50 65 E7 30.02F TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-221200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 56 42 57 MISG 30.10S TC 14
BLOOMINGTON CLOUDY 54 41 61 E16 30.08S TC 12
DECATUR MOCLDY 54 46 74 NE13 30.04S TC 12
PEORIA CLOUDY 57 41 55 E10 30.06F TC 14
LACON* CLOUDY 56 40 53 E9 30.08F TC 14
LINCOLN* CLOUDY 58 46 63 NE10 30.05F TC 15
SPRINGFIELD CLOUDY 58 46 64 NE9 30.03S TC 14
TAYLORVILLE MOCLDY 55 48 76 NE8 30.03R TC 13
ILZ033-039-045-046-055>057-062-063-221200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 54 44 69 NE16 30.06R TC 12
DANVILLE* CLOUDY 55 43 65 NE10 30.08S TC 13
RANTOUL* CLOUDY 54 41 62 NE13 30.08S TC 12
MATTOON PTCLDY 54 48 80 NE8 30.02R TC 12
PARIS* PTCLDY 53 47 79 NE7 30.04F TC 12
ILZ079-100>102-221200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 61 55 81 CALM 30.00R TC 16
BELLEVILLE PTCLDY 60 57 89 NE5 29.96S TC 16
CAHOKIA* CLOUDY 62 56 80 NE6 29.97S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 63 59 87 E8 29.95S TC 17
CAIRO* CLOUDY 64 62 94 E5 29.94S TC 18
EFFINGHAM* CLOUDY 59 52 77 NE5 30.02R TC 15
MARION CLOUDY 62 59 91 E7 29.97S TC 17
MT. VERNON CLOUDY 62 56 80 NE3 29.98R TC 17
CENTRALIA* CLOUDY 61 55 79 CALM 29.98S HAZE TC 16
SALEM* CLOUDY 61 55 78 MISG 29.98S TC 16
METROPOLIS* CLOUDY 62 62 100 NE3 29.95R TC 17
ILZ067-068-072-073-078-083-087-091-221200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 59 54 83 N7 29.99R TC 15
FLORA* CLOUDY 61 54 77 NE6 30.00R TC 16
FAIRFIELD* CLOUDY 62 55 77 N3 29.99R TC 17
HARRISBURG* CLOUDY 62 58 87 CALM 29.98R TC 17
ROBINSON* CLOUDY 59 54 82 NE7 30.00R TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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