754
ASUS43 KLOT 220912
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-221000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 55 40 56 E10 30.09F TC 13
STERLING* MOCLDY 54 40 59 E10 30.14S TC 12
SAVANNA* CLOUDY 51 39 63 NE9 30.14F TC 11
ILZ003-004-008-010-011-017-018-221000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 52 40 63 NE7 30.17S TC 11
FREEPORT* MOCLDY 51 42 71 E8 30.18S TC 11
ROCHELLE* CLOUDY 53 39 60 NE9 30.16R TC 11
DE KALB* CLOUDY 52 43 71 NE8 30.16F TC 11
PERU* CLOUDY 55 43 62 NE9 30.12F TC 13
ILZ005-006-012>014-019>023-221000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 53 44 71 NE12 30.16S TC 12
CHICAGO-MIDWAY CLOUDY 56 42 59 E14 30.16S TC 13
AURORA CLOUDY 55 44 66 E9 30.14S TC 13
JOLIET* CLOUDY 58 42 54 E12 30.15S TC 15
WAUKEGAN CLOUDY 49 41 74 E12G22 30.19S TC 9
DUPAGE AIRPORT CLOUDY 54 46 74 NE8 30.15S TC 12
KANKAKEE* CLOUDY 55 40 56 E10 30.13S TC 13
WHEELING CLOUDY 52 43 71 E7 30.19R TC 11
MORRIS* CLOUDY 57 41 54 E10G16 30.13S TC 14
ROMEOVILLE* CLOUDY 57 41 54 E9G16 30.15S TC 14
LANSING* CLOUDY 54 40 59 E8 30.16R TC 12
NORTHERLY ISL* N/A 52 47 83 NE12 N/A TC 11
LMZ740>746-221000-
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 1021.7 3/ 3
WAUKEGAN HARBOR 49 49 30/ 14/ 17 1021.2 2/ 4
WILMETTE BUOY 51 100/ 17/ 23 1022.4R 3/ 5
CHICAGO BUOY 53 54 60/ 16/ 19 1020.5 2/ 4
HARRISON CRIB 52 60/ 18/ 20 N/A
NORTHERLY ISL 54 40/ 7/ 15 N/A
CALUMET HARBOR 55 60/ 11/ 14 1021.2
BURNS HARBOR 55 90/ 6/ 7 1021.7S
MICHIGAN CITY 54 80/ 7/ 8 1020.6R
ST. JOSEPH BUOY 52 60/ 8/ 10 1022.3F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-221000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 61 49 64 NE9 30.01F TC 16
GALESBURG* MOCLDY 55 42 60 E10 30.08F TC 13
MACOMB* CLOUDY 58 46 63 E12 30.07F TC 15
JACKSONVILLE* CLOUDY 60 48 63 E10 30.02F TC 16
PITTSFIELD* CLOUDY 62 51 67 NE6 30.03S TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-221000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 57 40 53 MISG 30.11S TC 14
BLOOMINGTON CLOUDY 56 43 61 E13 30.09S TC 13
DECATUR MOCLDY 56 46 69 MISG 30.04F TC 13
PEORIA CLOUDY 58 41 53 E13 30.07F TC 14
LACON* CLOUDY 56 41 57 E10 30.09F TC 13
LINCOLN* MOCLDY 57 47 67 NE5 30.05F TC 14
SPRINGFIELD CLOUDY 60 47 61 NE9 30.03S TC 16
TAYLORVILLE MOCLDY 61 50 67 E7 30.02F TC 16
ILZ033-039-045-046-055>057-062-063-221000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 55 45 68 NE15 30.05F TC 13
DANVILLE* CLOUDY 55 42 60 E12 30.08S TC 13
RANTOUL* CLOUDY 54 43 65 E10 30.08S TC 12
MATTOON MOCLDY 57 49 74 NE9 30.02F TC 14
PARIS* MOCLDY 55 46 71 NE8 30.05F TC 13
ILZ079-100>102-221000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 62 55 80 CALM 30.00R TC 17
BELLEVILLE CLOUDY 64 59 84 E6 29.95F TC 18
CAHOKIA* MOCLDY 62 56 80 E5 29.97S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 63 59 87 E5 29.96S TC 17
CAIRO* CLOUDY 64 61 89 NE9 29.94F TC 18
EFFINGHAM* MOCLDY 59 52 77 NE5 30.02F TC 15
MARION CLOUDY 63 59 86 E8 29.97S TC 17
MT. VERNON CLOUDY 61 55 81 NE6 29.98S TC 16
CENTRALIA* MOCLDY 61 54 77 CALM 29.98F HAZE TC 16
SALEM* MOCLDY 62 55 76 MISG 29.98F TC 17
METROPOLIS* CLOUDY 62 62 99 NE5 29.96S TC 17
ILZ067-068-072-073-078-083-087-091-221000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 60 53 77 NE9 30.00F TC 16
FLORA* CLOUDY 61 54 77 E8 30.00S TC 16
FAIRFIELD* CLOUDY 63 55 74 NE7 29.98F TC 17
HARRISBURG* CLOUDY 63 58 84 E5 29.97F TC 17
ROBINSON* CLOUDY 59 54 82 NE8 30.00F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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