952
ASUS43 KLOT 220510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-220600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 57 43 59 E16G22 30.13S TC 14
STERLING* MOCLDY 53 37 54 E14 30.17S TC 12
SAVANNA* PTCLDY 51 38 61 NE9 30.17S TC 11
ILZ003-004-008-010-011-017-018-220600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 36 58 NE8 30.20F TC 10
FREEPORT* MOCLDY 49 38 66 E7 30.21S TC 10
ROCHELLE* MOCLDY 51 34 52 E12 30.18S TC 11
DE KALB* CLOUDY 51 38 61 NE12 30.20S TC 11
PERU* CLOUDY 55 37 50 NE14 30.15F TC 13
ILZ005-006-012>014-019>023-220600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 52 42 69 NE8 30.19F TC 11
CHICAGO-MIDWAY CLOUDY 53 43 68 NE6 30.19F TC 12
AURORA MOCLDY 52 39 61 NE9 30.17F TC 11
JOLIET* CLOUDY 55 42 63 NE6 30.18S TC 13
WAUKEGAN MOCLDY 49 40 71 NE10G23 30.20F TC 9
DUPAGE AIRPORT CLOUDY 51 41 68 NE9 30.18F TC 11
KANKAKEE* MOCLDY 54 43 66 E10 30.17S TC 12
WHEELING CLOUDY 53 43 68 E6 30.20F TC 12
MORRIS* CLOUDY 54 39 58 E8 30.16F TC 12
ROMEOVILLE* CLOUDY 52 41 66 NE7G14 30.19S TC 11
LANSING* CLOUDY 53 44 72 NE5 30.19F TC 12
NORTHERLY ISL* N/A 52 45 77 NE3 N/A TC 11
LMZ740>746-220600-
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 1022.4 2/ 3
WAUKEGAN HARBOR 50 49 30/ 16/ 19 1021.5 2/ 3
WILMETTE BUOY 52 110/ 17/ 21 1022.8S 3/ 5
CHICAGO BUOY 53 55 110/ 6/ 8 1021.1 3/ 5
HARRISON CRIB 53 100/ 4/ 5 N/A
NORTHERLY ISL 51 10/ 5/ 12 N/A
CALUMET HARBOR 52 10/ 4/ 6 1022.4F
BURNS HARBOR 59 100/ 7/ 10 1022.7F
MICHIGAN CITY 59 100/ 9/ 18 1021.6F
ST. JOSEPH BUOY 57 110/ 10/ 16 1023.3F 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-220600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 61 49 64 E5 30.06F TC 16
GALESBURG* MOCLDY 58 44 60 E8 30.13S TC 15
MACOMB* CLOUDY 61 47 60 E13 30.10F TC 16
JACKSONVILLE* CLOUDY 62 50 64 E8 30.07F TC 17
PITTSFIELD* CLOUDY 62 51 67 NE3 30.07F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-220600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 56 42 59 MISG 30.14F TC 14
BLOOMINGTON CLOUDY 57 44 62 E14 30.12F TC 14
DECATUR MOCLDY 57 48 72 MISG 30.09F TC 14
PEORIA MOCLDY 60 43 53 E10 30.11F TC 16
LACON* CLOUDY 56 40 53 E8 30.13F TC 14
LINCOLN* CLOUDY 64 45 50 E10 30.10S TC 18
SPRINGFIELD CLOUDY 64 46 52 E13 30.08F TC 18
TAYLORVILLE CLOUDY 63 50 63 E6 30.08F TC 17
ILZ033-039-045-046-055>057-062-063-220600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 61 45 55 E15 30.11F TC 16
DANVILLE* MOCLDY 60 41 51 E12G17 30.13F TC 15
RANTOUL* CLOUDY 61 41 47 E14 30.12F TC 16
MATTOON CLOUDY 63 48 58 E7 30.08F TC 17
PARIS* CLOUDY 60 47 62 NE8 30.10F TC 16
ILZ079-100>102-220600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 63 56 79 CALM 30.06F TC 17
CAHOKIA* CLOUDY 64 57 78 CALM 30.05F TC 18
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 64 59 83 NE3 30.03F TC 18
CAIRO* CLOUDY 65 62 87 NE7 30.02F TC 19
EFFINGHAM* CLOUDY 64 55 72 E8 30.09F TC 18
MARION CLOUDY 63 60 90 CALM 30.04F TC 17
MT. VERNON CLOUDY 64 58 80 NE6 30.05F TC 18
CENTRALIA* CLOUDY 64 58 79 CALM 30.05F TC 18
SALEM* CLOUDY 65 58 77 MISG 30.05F TC 19
METROPOLIS* CLOUDY 64 61 90 NE5 30.02F TC 18
ILZ067-068-072-073-078-083-087-091-220600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 63 53 70 NE6 30.07F TC 17
FLORA* CLOUDY 64 55 72 E9 30.07S TC 18
FAIRFIELD* CLOUDY 65 56 73 NE7 30.05F TC 18
HARRISBURG* CLOUDY 64 60 85 NE3 30.04F TC 18
ROBINSON* CLOUDY 63 52 67 E9 30.08S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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