808
ASUS43 KLOT 180110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SUN MAY 17 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.
ILZ001-002-007-009-015-016-024-180200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 81 65 58 S14 29.70F HX 83 TC 27
STERLING* CLEAR 81 65 58 S9 29.76 HX 83 TC 27
SAVANNA* PTCLDY 82 64 53 S14G20 29.72F HX 83 TC 28
ILZ003-004-008-010-011-017-018-180200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 80 63 55 S20G28 29.77F HX 81 TC 27
FREEPORT* PTCLDY 81 66 61 S16 29.76F HX 83 TC 27
ROCHELLE* CLEAR 80 61 51 S22G31 29.78F HX 81 TC 27
DE KALB* PTCLDY 79 64 59 S23G29 29.81F HX 80 TC 26
PERU* MOCLDY 81 64 57 S14 29.79F HX 82 TC 27
ILZ005-006-012>014-019>023-180200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 81 61 50 S22G33 29.81S HX 82 TC 27
CHICAGO-MIDWAY MOCLDY 82 62 50 S18G28 29.83R HX 83 TC 28
AURORA MOCLDY 81 63 54 S16G24 29.81S HX 82 TC 27
JOLIET* MOCLDY 82 63 53 S12G24 29.84S HX 83 TC 28
WAUKEGAN PTCLDY 55 50 83 E3 29.80S TC 13
DUPAGE AIRPORT PTCLDY 79 63 57 S16G30 29.81S HX 80 TC 26
KANKAKEE* PTCLDY 80 60 51 S12G22 29.89R HX 81 TC 27
WHEELING MOCLDY 81 61 50 SW17G32 29.82S HX 82 TC 27
MORRIS* CLOUDY 81 63 54 S16G26 29.82S HX 82 TC 27
ROMEOVILLE* PTCLDY 81 64 57 S21G30 29.84S HX 82 TC 27
LANSING* MOCLDY 79 60 53 S13 29.87R HX 80 TC 26
NORTHERLY ISL* N/A 81 58 45 S18 N/A HX 81 TC 27
LMZ740>746-180200-
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 1007.9 1/ 5
WAUKEGAN HARBOR 51 52 10/ 6/ 8 1010.3 1/ 4
HARRISON CRIB 81 210/ 23/ 25 N/A
NORTHERLY ISL 82 200/ 17/ 23 N/A
CALUMET HARBOR 82 190/ 11/ 20 1010.5
BURNS HARBOR 80 190/ 9/ 12 1011.5R
MICHIGAN CITY 81 180/ 17/ 21 1009.2R
ST. JOSEPH BUOY 65 180/ 10/ 12 1012.2R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 79 64 60 S17G25 29.75S HX 81 TC 26
GALESBURG* CLEAR 80 64 57 S15G23 29.76S HX 81 TC 27
MACOMB* CLEAR 81 65 58 S17G24 29.78S HX 83 TC 27
JACKSONVILLE* CLEAR 80 65 59 S14 29.80F HX 81 TC 27
PITTSFIELD* CLEAR 80 65 61 S14 29.80S HX 82 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-180200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 81 64 57 MISG 29.85R HX 82 TC 27
BLOOMINGTON CLEAR 78 64 61 S18G28 29.85R HX 80 TC 26
DECATUR CLEAR 79 64 60 S18 29.86R HX 81 TC 26
PEORIA MOCLDY 81 63 54 S16G24 29.79S HX 82 TC 27
LACON* MOCLDY 80 62 52 S10 29.78S HX 81 TC 27
LINCOLN* CLOUDY 82 65 56 S13 29.84R HX 84 TC 28
SPRINGFIELD CLOUDY 81 64 56 S16 29.82R HX 82 TC 27
TAYLORVILLE CLEAR 79 64 61 S14 29.86R HX 81 TC 26
ILZ033-039-045-046-055>057-062-063-180200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 77 62 59 S18 29.88R TC 25
DANVILLE* CLEAR 78 59 52 S15 29.89F HX 80 TC 26
RANTOUL* CLEAR 78 61 55 S17 29.88S HX 80 TC 26
MATTOON CLEAR 79 60 52 S15G23 29.88S HX 80 TC 26
PARIS* CLEAR 76 57 51 S13 29.91F TC 24
ILZ079-100>102-180200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 81 64 57 S17 29.85S HX 82 TC 27
BELLEVILLE CLEAR 80 66 61 S12 29.84S HX 82 TC 27
CAHOKIA* CLEAR 83 64 52 S10G18 29.84S HX 84 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 80 59 48 SE10 29.90S HX 81 TC 27
CAIRO* CLEAR 83 59 44 S7 29.93R HX 83 TC 28
EFFINGHAM* CLEAR 78 62 57 SE8G16 29.91S HX 80 TC 26
MARION CLEAR 80 55 42 S9 29.92S HX 80 TC 27
MT. VERNON CLEAR 79 61 53 S9 29.92R HX 80 TC 26
CENTRALIA* CLEAR 79 62 56 S9 29.90R HX 80 TC 26
SALEM* CLEAR 81 64 55 S7 29.90R HX 83 TC 27
METROPOLIS* CLEAR 81 59 47 SE3 29.95S HX 81 TC 27
ILZ067-068-072-073-078-083-087-091-180200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 76 62 62 S8 29.93S TC 24
FLORA* CLEAR 79 59 50 S13 29.92S HX 80 TC 26
FAIRFIELD* CLEAR 79 54 41 S8 29.92F HX 80 TC 26
HARRISBURG* CLEAR 77 58 51 S5 29.94S TC 25
ROBINSON* CLEAR 79 59 50 S9 29.92S HX 80 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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