500
ASUS43 KLOT 191101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT TUE MAY 19 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.
ILZ001-002-007-009-015-016-024-191200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 65 63 93 SW13G23 29.85R TC 18
STERLING* CLOUDY 65 65 100 SW14G21 29.86R TC 18
SAVANNA* MOCLDY 65 64 96 SW9 29.85R TC 19
ILZ003-004-008-010-011-017-018-191200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 65 63 93 S15 29.83R TC 18
FREEPORT* CLOUDY 65 64 94 SW16 29.87R TC 18
DE KALB* MOCLDY 64 63 97 S16 29.82S TC 18
PERU* CLOUDY 66 63 88 S16 29.82F TC 19
ILZ005-006-012>014-019>023-191200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 68 61 78 S15G29 29.80F TC 20
CHICAGO-MIDWAY CLOUDY 69 62 78 S18G28 29.84F TC 21
AURORA CLOUDY 66 62 87 S15G26 29.81F TC 19
JOLIET* CLOUDY 69 65 86 S10 29.86R TC 21
WAUKEGAN CLOUDY 68 61 78 S16G24 29.77F TC 20
DUPAGE AIRPORT CLOUDY 66 62 87 S18G31 29.82F TC 19
KANKAKEE* CLOUDY 66 64 90 S14G23 29.92F TC 19
WHEELING CLOUDY 68 62 81 S16 29.80F TC 20
MORRIS* CLOUDY 66 63 88 S14G21 29.84S TC 19
ROMEOVILLE* CLEAR 68 64 88 S17G28 29.85F TC 20
LANSING* CLOUDY 69 62 80 SW21G28 29.89F TC 20
NORTHERLY ISL* N/A 69 60 73 S18 N/A TC 21
LMZ740>746-191200-
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 49 1010.4R 2/ 4
WAUKEGAN HARBOR 63 53 190/ 12/ 16 1009.8F 2/ 3
WILMETTE BUOY 66 200/ 16/ 23 1011.8F 2/ 3
CHICAGO BUOY 65 55 200/ 14/ 17 1009.5F 2/ 3
HARRISON CRIB 69 200/ 27/ 32 N/A
NORTHERLY ISL 69 170/ 11/ 21 N/A
CALUMET HARBOR 69 190/ 11/ 15 1011.6
BURNS HARBOR 69 190/ 12/ 17 1012.5F
MICHIGAN CITY 70 180/ 17/ 20 1010.6F
ST. JOSEPH BUOY 65 180/ 16/ 21 1013.1F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-191200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 64 63 96 S13 29.93R TC 18
GALESBURG* DRIZZLE 64 64 100 S10G16 29.90S TC 18
MACOMB* LGT RAIN 65 65 100 SW12 29.92F TC 18
JACKSONVILLE* MOCLDY 65 65 100 S9 29.94F TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-191200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 65 65 100 S20 29.94R TC 18
DECATUR CLOUDY 67 64 90 S17G29 29.97R TC 19
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 67 63 87 S8 29.95R TC 19
TAYLORVILLE CLOUDY 66 64 94 S16 29.97S TC 19
ILZ033-039-045-046-055>057-062-063-191200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 67 65 93 S18 29.97S TC 19
DANVILLE* MOCLDY 70 64 83 S17G23 29.98S TC 21
MATTOON PTCLDY 68 64 87 S13G23 29.99R TC 20
PARIS* MOCLDY 67 65 93 S12 30.00R TC 19
ILZ079-100>102-191200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 67 65 93 SW8 30.01R TC 20
BELLEVILLE MOCLDY 68 68 100 W7G23 30.00R TC 20
CAHOKIA* LGT RAIN 67 65 93 W5 30.01R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-191200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* PTCLDY 74 66 77 S8 30.05R TC 23
EFFINGHAM* PTCLDY 68 67 95 SE9 30.02R TC 20
MT. VERNON PTCLDY 67 65 93 S7 30.02S TC 19
CENTRALIA* MOCLDY 70 65 85 S10G22 30.00R TC 21
SALEM* MOCLDY 70 66 87 MISG 30.00R TC 21
ILZ067-068-072-073-078-083-087-091-191200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 66 65 96 S10 30.03R TC 19
FLORA* CLEAR 66 66 100 S7 30.03R TC 19
FAIRFIELD* CLEAR 67 64 89 S6 30.03R TC 20
HARRISBURG* CLEAR 66 65 99 S3 30.04R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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