378
ASUS43 KLOT 180801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT SUN MAY 18 2025
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.
ILZ001-002-007-009-015-016-024-180900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 48 40 73 NW8 29.93S TC 9
STERLING* CLEAR 47 42 83 W6 29.93S TC 8
ILZ003-004-008-010-011-017-018-180900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 52 42 69 NW7 29.92R TC 11
ILZ005-006-012>014-019>023-180900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 54 45 71 W6 29.87R TC 12
CHICAGO-MIDWAY CLEAR 56 44 64 W8 29.88R TC 13
AURORA PTCLDY 48 41 76 W8 29.89R TC 9
WAUKEGAN MOCLDY 53 44 71 W8 29.87R TC 12
DUPAGE AIRPORT CLEAR 52 44 74 W7 29.88R TC 11
WHEELING CLEAR 54 45 71 NW7 29.88R TC 12
MORRIS* CLEAR 50 43 78 NW7 29.88F TC 10
LANSING* PTCLDY 52 46 79 W5 29.89R TC 11
NORTHERLY ISL* N/A 57 45 64 NW10 N/A TC 14
LMZ740>746-180900-
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)
HARRISON CRIB 61 320/ 11/ 12 N/A
NORTHERLY ISL 57 270/ 6/ 11 N/A
CALUMET HARBOR 55 350/ 4/ 5 1010.2
BURNS HARBOR 54 300/ 1/ 2 1011.9S
MICHIGAN CITY 54 300/ 4/ 5 1010.7R
ST. JOSEPH BUOY 53 55 300/ 10/ 14 1011.7 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 55 45 68 N7 29.95R TC 13
GALESBURG* PTCLDY 46 38 73 NW5 29.95S TC 8
MACOMB* MOCLDY 49 42 75 NW6 29.97S TC 10
PITTSFIELD* CLOUDY 56 47 73 CALM 29.96R TC 13
ILZ028>032-037-038-041>044-048-051>054-059>061-180900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 54 43 66 NW9 29.92S TC 12
DECATUR MOCLDY 57 46 66 W6 29.93R TC 14
PEORIA PTCLDY 51 42 71 NW3 29.92S TC 11
LACON* PTCLDY 50 40 66 NW6 29.90F TC 10
SPRINGFIELD CLOUDY 52 46 80 W5 29.93R TC 11
TAYLORVILLE MOCLDY 52 48 87 MISG 29.94R TC 11
ILZ033-039-045-046-055>057-062-063-180900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 51 45 79 NW3 29.90S TC 11
RANTOUL* MOCLDY 54 43 66 NW8 29.90S TC 12
MATTOON PTCLDY 55 47 74 W6 29.91R TC 13
ILZ079-100>102-180900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 58 48 68 CALM 29.94S TC 15
BELLEVILLE MOCLDY 61 54 78 CALM 29.92S TC 16
CAHOKIA* MOCLDY 59 54 83 CALM 29.93R TC 15
SPARTA* CLOUDY 62 56 79 NW3 29.95S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 61 55 81 CALM 29.92S TC 16
CAIRO* MOCLDY 64 62 92 CALM 29.92S TC 18
EFFINGHAM* PTCLDY 52 52 100 CALM 29.94F TC 11
MARION CLOUDY 62 51 67 SW3 29.93R TC 17
MT. VERNON N/A 58 55 90 CALM 29.94R TC 14
CENTRALIA* MOCLDY 58 54 86 CALM 29.93S TC 15
SALEM* MOCLDY 59 52 78 CALM 29.93S TC 15
METROPOLIS* MOCLDY 61 60 97 CALM 29.93R TC 16
ILZ067-068-072-073-078-083-087-091-180900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 57 52 83 NW7 29.91S TC 14
FLORA* MOCLDY 59 52 77 W5 29.94R TC 15
FAIRFIELD* CLOUDY 59 53 79 CALM 29.92S TC 15
HARRISBURG* CLOUDY 59 57 92 CALM 29.93R TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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