937
ASUS43 KLOT 240401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST MON FEB 23 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.
ILZ001-002-007-009-015-016-024-240500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 10 5 80 SE3 30.29F TC -12
STERLING* CLEAR 19 13 77 W5 30.31F WCI 12 TC -7
SAVANNA* CLEAR 20 12 71 CALM 30.31F TC -7
ILZ003-004-008-010-011-017-018-240500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 17 11 77 CALM 30.30F TC -8
ILZ005-006-012>014-019>023-240500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 22 13 68 SE3 30.28F TC -6
CHICAGO-MIDWAY MOCLDY 23 14 68 SE3 30.29F TC -5
AURORA PTCLDY 15 10 80 W6 30.29F WCI 6 TC -9
JOLIET* PTCLDY 22 15 73 CALM 30.31F TC -5
WAUKEGAN PTCLDY 15 13 91 CALM 30.28F TC -9
DUPAGE AIRPORT PTCLDY 21 14 74 SE3 30.28F TC -6
WHEELING PTCLDY 20 14 77 CALM 30.30F TC -7
MORRIS* CLEAR 20 10 67 CALM 30.30F TC -7
LANSING* PTCLDY 18 14 85 CALM 30.31F TC -8
NORTHERLY ISL* N/A 23 15 71 NE2 N/A TC -5
LMZ740>746-240500-
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 25 360/ 1/ 1 N/A
NORTHERLY ISL 23 10/ 5/ 6 N/A
CALUMET HARBOR 23 360/ 1/ 3 1026.2
BURNS HARBOR 25 350/ 3/ 6 1026.8F
MICHIGAN CITY 25 310/ 8/ 10 1027.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-240500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 22 9 57 S6 30.31F WCI 14 TC -6
MACOMB* PTCLDY 17 6 60 S5 30.33F WCI 10 TC -8
ILZ028>032-037-038-041>044-048-051>054-059>061-240500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 19 9 65 CALM 30.31F TC -7
BLOOMINGTON CLEAR 20 10 65 SW3 30.31F TC -7
DECATUR CLEAR 21 10 62 SW5 30.33F WCI 15 TC -6
PEORIA CLEAR 20 10 65 CALM 30.32F TC -7
LACON* CLEAR 16 9 72 CALM 30.32S TC -9
LINCOLN* CLEAR 20 7 58 CALM 30.33F TC -7
SPRINGFIELD CLEAR 20 9 62 SW3 30.34F TC -7
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-240500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 21 11 65 SW6 30.33F WCI 13 TC -6
DANVILLE* CLEAR 19 12 73 CALM 30.33F TC -7
MATTOON CLEAR 22 12 65 SW5 30.33F WCI 16 TC -6
PARIS* CLEAR 19 15 84 CALM 30.33F TC -7
ILZ079-100>102-240500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 21 14 73 CALM 30.37F TC -6
BELLEVILLE PTCLDY 20 13 73 CALM 30.36F TC -6
CAHOKIA* PTCLDY 22 12 65 S5 30.38F WCI 16 TC -6
SPARTA* PTCLDY 23 15 72 CALM 30.39F TC -5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 21 15 78 CALM 30.41F TC -6
CAIRO* CLEAR 23 17 76 CALM 30.44F TC -5
EFFINGHAM* CLEAR 22 16 78 S3 30.37F TC -6
MARION CLEAR 21 11 64 CALM 30.42F TC -6
MT. VERNON CLEAR 20 15 81 CALM 30.40F TC -7
SALEM* CLEAR 24 15 68 CALM 30.37F TC -4
ILZ067-068-072-073-078-083-087-091-240500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 23 14 68 CALM 30.37F TC -5
FLORA* CLEAR 21 18 86 SW5 30.38F WCI 15 TC -6
FAIRFIELD* CLEAR 21 16 79 CALM 30.40F TC -6
HARRISBURG* CLEAR 22 14 72 CALM 30.41F TC -6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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