696
ASUS43 KLOT 220801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-220900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 55 39 54 E10 30.10F TC 13
STERLING* MOCLDY 54 39 57 E14 30.14F TC 12
SAVANNA* MOCLDY 51 38 61 NE9 30.15F TC 10
ILZ003-004-008-010-011-017-018-220900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 51 40 65 NE6 30.17F TC 11
FREEPORT* MOCLDY 50 42 72 E6 30.18S TC 10
DE KALB* CLOUDY 51 41 69 NE7 30.17R TC 11
PERU* CLOUDY 55 43 62 NE10 30.13R TC 13
ILZ005-006-012>014-019>023-220900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 54 45 71 NE13 30.16F TC 12
CHICAGO-MIDWAY CLOUDY 57 42 57 E16G23 30.16S TC 14
AURORA CLOUDY 54 43 66 E8 30.14F TC 12
JOLIET* CLOUDY 58 41 53 E10G18 30.14S TC 15
WAUKEGAN CLOUDY 49 41 74 E8 30.19S TC 9
DUPAGE AIRPORT CLOUDY 52 44 74 NE7 30.15F TC 11
KANKAKEE* MOCLDY 55 40 55 E12 30.13S TC 13
WHEELING CLOUDY 52 43 71 E8 30.18F TC 11
MORRIS* CLOUDY 55 41 58 E8 30.13S TC 13
LANSING* MOCLDY 55 40 58 E7 30.16S TC 13
NORTHERLY ISL* N/A 55 44 66 E16 N/A TC 13
LMZ740>746-220900-
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 1021.5F 2/ 4
WAUKEGAN HARBOR 50 49 40/ 14/ 17 1021.1F 2/ 3
WILMETTE BUOY 51 100/ 17/ 21 1022.3F 3/ 5
CHICAGO BUOY 55 54 70/ 10/ 14 1020.3S 2/ 5
HARRISON CRIB 53 60/ 10/ 11 N/A
NORTHERLY ISL 56 80/ 9/ 10 N/A
CALUMET HARBOR 56 80/ 12/ 16 1021.5
BURNS HARBOR 55 90/ 5/ 7 1021.7F
MICHIGAN CITY 55 80/ 13/ 16 1020.2F
ST. JOSEPH BUOY 54 80/ 8/ 10 1022.6F 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-220900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 60 50 69 NE6 30.02F TC 16
MACOMB* CLOUDY 59 46 61 NE9 30.08F TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-220900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 57 42 57 E15 30.09F TC 14
DECATUR CLOUDY 58 47 66 MISG 30.05F TC 14
PEORIA CLOUDY 58 42 55 E13 30.08S TC 14
SPRINGFIELD CLOUDY 60 47 61 NE8 30.03F TC 16
TAYLORVILLE MOCLDY 61 50 67 E7 30.03S TC 16
ILZ033-039-045-046-055>057-062-063-220900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 56 44 64 E13 30.06F TC 13
DANVILLE* MOCLDY 56 43 62 E12 30.08F TC 13
MATTOON MOCLDY 59 50 72 E7 30.03F TC 15
PARIS* MOCLDY 55 46 69 E9 30.06F TC 13
ILZ079-100>102-220900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 63 57 81 E8 29.97F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 63 59 87 E6 29.96F TC 17
CAIRO* CLOUDY 65 61 88 NE7 29.96F TC 18
EFFINGHAM* MOCLDY 60 51 70 NE5 30.04F TC 16
MT. VERNON CLOUDY 61 55 81 NE5 29.99F TC 16
CENTRALIA* MOCLDY 62 54 75 CALM 29.99F HAZE TC 17
SALEM* MOCLDY 63 56 77 MISG 29.99F TC 17
ILZ067-068-072-073-078-083-087-091-220900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 60 53 77 NE6 30.01F TC 16
FLORA* MOCLDY 63 54 72 E8 30.01F TC 17
FAIRFIELD* CLOUDY 63 54 72 NE7 30.00S TC 17
HARRISBURG* CLOUDY 64 59 84 E8 29.98F TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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