630
ASUS43 KLOT 170906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT FRI APR 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.
ILZ001-002-007-009-015-016-024-171000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 59 49 69 S7 29.83S TC 15
STERLING* CLEAR 54 54 100 E7 29.87F TC 12
SAVANNA* CLEAR 56 51 82 S7 29.85F TC 14
ILZ003-004-008-010-011-017-018-171000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 52 51 97 E3 29.91F FOG TC 11
FREEPORT* CLEAR 54 53 95 SE6 29.90F TC 12
ROCHELLE* CLEAR 52 51 95 SE7 29.90S FOG TC 11
DE KALB* CLEAR 51 51 100 E8 29.92F FOG TC 10
PERU* CLEAR 58 53 83 E6 29.89F TC 15
ILZ005-006-012>014-019>023-171000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE FOG 49 48 97 SE3 29.91F VSB 1/2 TC 9
CHICAGO-MIDWAY FOG 48 48 100 SE5 29.93S VSB 1/4 TC 9
AURORA FOG 52 52 100 SE7 29.91F VSB 1/4 TC 11
JOLIET* PTCLDY 52 52 100 CALM 29.93F FOG TC 11
WAUKEGAN FOG 45 45 100 SE3 29.91F VSB 1/4 TC 7
DUPAGE AIRPORT FOG 52 52 100 SE6 29.92S VSB 1/4 TC 11
KANKAKEE* FOG 52 50 94 CALM 29.93F VSB 1/2 TC 11
WHEELING FOG 49 49 100 S3 29.93F VSB 1/2 TC 9
MORRIS* FOG 50 50 100 CALM 29.91F VSB 1/4 TC 10
ROMEOVILLE* FOG 50 50 100 CALM 29.94S VSB 1/4 TC 10
LANSING* FOG 47 47 100 CALM 29.95R VSB<1/4 TC 9
NORTHERLY ISL* N/A 44 43 96 SE2 N/A TC 7
LMZ740>746-171000-
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 44 1007.5R 0
WAUKEGAN HARBOR 44 48 1014.9F 0
HARRISON CRIB 44 130/ 6/ 6 N/A
NORTHERLY ISL 44 80/ 2/ 3 N/A
CALUMET HARBOR 60/ 3/ 5 1013.4
BURNS HARBOR 44 30/ 1/ 2 1014.6F
MICHIGAN CITY 46 70/ 1/ 1 1013.8S
ST. JOSEPH BUOY 46 CALM 1014.7F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-171000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 64 60 87 S7 29.84F TC 18
GALESBURG* CLEAR 60 54 83 S7 29.87S TC 15
MACOMB* CLEAR 61 56 83 S10 29.88S TC 16
JACKSONVILLE* PTCLDY 62 57 84 SE5 29.88F TC 17
PITTSFIELD* PTCLDY 63 63 99 SE3 29.88F TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-171000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 55 52 92 MISG 29.91F TC 13
BLOOMINGTON CLEAR 55 54 96 S7 29.92F TC 13
DECATUR CLEAR 59 57 93 S6 29.91F TC 15
PEORIA CLEAR 59 53 80 S3 29.89S TC 15
LACON* CLEAR 57 49 75 SE6 29.88F TC 14
LINCOLN* CLEAR 57 55 94 CALM 29.91S TC 14
SPRINGFIELD CLEAR 61 58 90 SE3 29.89F TC 16
TAYLORVILLE CLEAR 61 57 88 S8 29.92S TC 16
ILZ033-039-045-046-055>057-062-063-171000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 54 54 100 CALM 29.93S FOG TC 12
DANVILLE* CLEAR 55 52 89 E3 29.95F TC 13
RANTOUL* CLEAR 54 52 92 SE3 29.93F TC 12
MATTOON CLEAR 59 56 89 S7 29.93S TC 15
PARIS* CLEAR 56 54 95 MISG 29.95R TC 13
ILZ079-100>102-171000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 62 60 93 SE5 29.91F TC 16
BELLEVILLE PTCLDY 62 59 92 S6 29.90F TC 16
CAHOKIA* PTCLDY 62 60 93 S5 29.90F TC 17
SPARTA* PTCLDY 61 58 89 S6 29.94F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 60 55 83 S6 29.95S TC 16
CAIRO* PTCLDY 60 58 94 CALM 29.97F TC 16
EFFINGHAM* CLEAR 56 56 100 E3 29.96S TC 14
MARION PTCLDY 60 57 90 S7 29.97S TC 16
MT. VERNON MOCLDY 56 55 97 CALM 29.96S TC 13
CENTRALIA* MOCLDY 61 59 91 CALM 29.94F TC 16
SALEM* PTCLDY 61 58 89 CALM 29.94S TC 16
METROPOLIS* PTCLDY 57 57 100 MISG 29.98S TC 14
ILZ067-068-072-073-078-083-087-091-171000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 54 50 86 S5 29.97R TC 12
FLORA* CLEAR 55 N/A N/A SE6 29.96S TC 13
FAIRFIELD* CLEAR 55 53 92 CALM 29.95F TC 13
HARRISBURG* PTCLDY 55 54 97 CALM 29.97S TC 13
ROBINSON* CLEAR 54 54 100 S3 29.96R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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