273
ASUS43 KLOT 121701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SUN APR 12 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.
ILZ001-002-007-009-015-016-024-121800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 77 60 55 SW18G32 29.87S TC 25
STERLING* PTSUNNY 77 60 55 SW21G37 29.88F TC 25
SAVANNA* PTSUNNY 75 58 55 SW22G29 29.86F TC 24
ILZ003-004-008-010-011-017-018-121800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 72 59 63 S25G36 29.89F TC 22
FREEPORT* PTSUNNY 73 62 70 SW18G32 29.89S TC 23
DE KALB* PTSUNNY 72 59 63 SW23G31 29.93F TC 22
PERU* PTSUNNY 78 58 51 S20 29.93F TC 25
ILZ005-006-012>014-019>023-121800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 77 56 48 SW20G38 29.92F TC 25
CHICAGO-MIDWAY PTSUNNY 78 57 48 SW25G39 29.93F TC 26
AURORA PTSUNNY 79 59 50 SW28G38 29.92F HX 80 TC 26
JOLIET* PTSUNNY 80 58 46 SW18G26 29.95F HX 81 TC 27
WAUKEGAN PTSUNNY 76 58 53 SW25G35 29.89F TC 24
DUPAGE AIRPORT PTSUNNY 76 58 53 SW23G35 29.92F TC 24
KANKAKEE* MOSUNNY 80 55 42 SW28G37 30.00F HX 80 TC 27
WHEELING PTSUNNY 77 58 51 SW18G26 29.92F TC 25
MORRIS* PTSUNNY 78 57 48 SW28 29.94F TC 26
ROMEOVILLE* SUNNY 79 57 47 SW25G40 29.95F HX 80 TC 26
LANSING* MOSUNNY 78 57 47 SW22G33 29.97F TC 26
NORTHERLY ISL* N/A 76 53 44 S18 N/A TC 24
LMZ740>746-121800-
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 62 41 340/ 12/ 17 1025.9R 2/ 4
HARRISON CRIB 74 210/ 24/ 27 N/A
NORTHERLY ISL 74 190/ 17/ 23 N/A
CALUMET HARBOR 76 200/ 14/ 25 1014.1
BURNS HARBOR 75 210/ 14/ 22 1015.2F
MICHIGAN CITY 75 200/ 17/ 22 1013.4F
ST. JOSEPH BUOY 56 200/ 10/ 14 1016.0F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-121800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 77 58 51 SW25G35 29.95F TC 25
MACOMB* PTSUNNY 77 58 50 SW25G35 29.96F TC 25
PITTSFIELD* PTSUNNY 76 57 51 S17G28 29.99F TC 25
ILZ028>032-037-038-041>044-048-051>054-059>061-121800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 81 55 40 MISG 29.97F HX 81 TC 27
BLOOMINGTON PTSUNNY 78 57 48 SW26G39 30.00F TC 26
DECATUR CLOUDY 75 56 51 S21G35 30.04F TC 24
PEORIA CLOUDY 76 56 49 SW25G33 29.96F TC 24
LINCOLN* CLOUDY 76 52 42 SW14G20 30.01F TC 25
SPRINGFIELD CLOUDY 77 55 46 S25G36 30.01F TC 25
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-121800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 78 55 44 S29G36 30.05F TC 26
DANVILLE* PTSUNNY 76 57 50 S22G28 30.06F TC 25
MATTOON PTSUNNY 76 56 49 S16G32 30.07F TC 24
PARIS* PTSUNNY 77 55 47 MISG 30.09F TC 25
ILZ079-100>102-121800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 55 47 S17G32 30.04F TC 25
CAHOKIA* PTSUNNY 79 55 43 SW12G26 30.03F TC 26
SPARTA* PTSUNNY 76 55 48 S20G29 30.09F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 78 56 46 SW18G28 30.11F TC 26
CAIRO* CLOUDY 77 58 51 S13G18 30.16F TC 25
EFFINGHAM* PTSUNNY 78 56 47 S16G23 30.10F TC 26
MARION PTSUNNY 77 55 47 S17 30.13F TC 25
MT. VERNON PTSUNNY 77 57 50 S20 30.11F TC 25
CENTRALIA* PTSUNNY 78 55 45 S20G26 30.09F TC 26
SALEM* PTSUNNY 80 54 40 SW16G30 30.09F HX 80 TC 27
ILZ067-068-072-073-078-083-087-091-121800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 80 54 40 SW23G31 30.12F HX 80 TC 27
FLORA* PTSUNNY 77 57 50 SW23G30 30.11F TC 25
FAIRFIELD* PTSUNNY 78 52 40 S20G28 30.13S TC 26
HARRISBURG* PTSUNNY 79 52 39 S18 30.14F TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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