663
ASUS43 KLOT 190108
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT MON MAY 18 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.
ILZ001-002-007-009-015-016-024-190200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 70 64 81 SE3 29.81F TC 21
STERLING* MOCLDY 73 63 70 CALM 29.85F TC 23
SAVANNA* MOCLDY 72 64 76 S9 29.83F TC 22
ILZ003-004-008-010-011-017-018-190200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 74 60 61 S10 29.87R TC 23
FREEPORT* MOCLDY 73 65 77 S9 29.86F TC 23
DE KALB* CLOUDY 70 65 84 S13 29.90R TC 21
PERU* CLOUDY N/A N/A N/A SE9 29.88S
ILZ005-006-012>014-019>023-190200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 72 63 73 S12G22 29.87R TC 22
CHICAGO-MIDWAY CLOUDY 71 64 78 S13G26 29.89R TC 22
AURORA CLOUDY 70 65 84 S8 29.89R TC 21
JOLIET* CLOUDY 71 66 84 SW10 29.92R TC 22
WAUKEGAN MOCLDY 73 64 73 SW14G25 29.85R TC 23
DUPAGE AIRPORT CLOUDY 70 65 84 S12 29.89R TC 21
KANKAKEE* CLOUDY 68 63 83 S8 29.94R TC 20
WHEELING CLOUDY 73 64 73 SW10G21 29.88R TC 23
MORRIS* CLOUDY 70 64 83 S12 29.91R TC 21
ROMEOVILLE* CLEAR 70 66 88 S12 29.90R TC 21
LANSING* CLOUDY 68 63 83 S16 29.93R TC 20
NORTHERLY ISL* N/A 71 61 70 S10 N/A TC 22
LMZ740>746-190200-
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 1013.0 1/ 3
WAUKEGAN HARBOR 67 53 220/ 12/ 19 1011.8 1/ 3
WILMETTE BUOY 65 210/ 12/ 16 1012.8R 1/ 3
CHICAGO BUOY 66 54 220/ 16/ 23 1011.0 2/ 3
HARRISON CRIB 70 200/ 14/ 16 N/A
NORTHERLY ISL 72 190/ 15/ 22 N/A
CALUMET HARBOR 71 200/ 12/ 15 1011.9
BURNS HARBOR 69 200/ 9/ 13 1013.2R
MICHIGAN CITY 71 170/ 12/ 15 1010.9R
ST. JOSEPH BUOY 61 190/ 8/ 12 1013.3R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-190200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 67 61 81 S13 29.84F TC 19
GALESBURG* MOCLDY 68 63 83 S6 29.87R TC 20
MACOMB* MOCLDY 67 64 90 CALM 29.87F TC 20
JACKSONVILLE* MOCLDY 67 61 82 S14 29.90R TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-190200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 65 64 97 SW8 29.95S TC 18
DECATUR CLOUDY 68 59 73 S23G37 29.83F TC 20
PEORIA NOT AVBL
LACON* CLOUDY 69 62 79 SE7 29.88R TC 21
LINCOLN* CLOUDY 67 65 91 CALM 29.92R TC 20
SPRINGFIELD MOCLDY 67 61 81 S10 29.92R TC 19
TAYLORVILLE CLOUDY 64 63 94 S23G37 29.86F TC 18
ILZ033-039-045-046-055>057-062-063-190200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 66 63 90 SE15G29 29.88F TC 19
DANVILLE* CLOUDY 67 64 89 S12 30.00R TC 20
MATTOON CLOUDY 66 63 90 S13 29.94F TC 19
PARIS* CLOUDY 65 64 97 S17 29.99F TC 19
ILZ079-100>102-190200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 68 63 83 W8 29.93R TC 20
BELLEVILLE TSTM 72 66 83 SE22G43 29.87F TC 22
CAHOKIA* MOCLDY 68 63 84 MISG 29.92F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 72 71 96 E9 30.03R TC 22
EFFINGHAM* LGT RAIN 64 64 100 S5 30.05R TC 18
MARION CLOUDY 68 64 88 E9 30.06R TC 20
MT. VERNON LGT RAIN 66 64 93 SE5 30.04F TC 19
CENTRALIA* CLOUDY 65 65 98 CALM 30.02F TC 19
SALEM* LGT RAIN 67 66 99 CALM 30.02F TC 19
ILZ067-068-072-073-078-083-087-091-190200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 68 66 93 SE10 30.06F TC 20
FLORA* MOCLDY 66 66 100 CALM 30.03F TC 19
FAIRFIELD* CLOUDY 67 64 90 E5 30.04F TC 19
HARRISBURG* CLOUDY 66 65 96 SE7 30.09R TC 19
ROBINSON* CLOUDY 66 66 100 SE6 30.04S TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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