317
ASUS43 KLOT 240306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-240400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 16 7 67 CALM 30.33F TC -9
STERLING* CLEAR 19 13 77 W7 30.34F WCI 10 TC -7
SAVANNA* CLEAR 21 13 70 W3 30.33F TC -6
ILZ003-004-008-010-011-017-018-240400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 19 10 68 CALM 30.31F TC -7
ROCHELLE* PTCLDY 14 7 73 CALM 30.31F TC -10
PERU* PTCLDY 25 10 53 SW3 30.32F TC -4
ILZ005-006-012>014-019>023-240400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 22 13 68 SE3 30.32F TC -6
CHICAGO-MIDWAY PTCLDY 23 14 68 CALM 30.33F TC -5
AURORA PTCLDY 16 9 74 CALM 30.31F TC -9
JOLIET* PTCLDY 23 15 73 CALM 30.34S TC -5
WAUKEGAN CLEAR 17 13 84 CALM 30.31F TC -8
DUPAGE AIRPORT PTCLDY 21 12 68 E3 30.31F TC -6
KANKAKEE* CLEAR 21 14 75 SE6 30.34F WCI 13 TC -6
WHEELING PTCLDY 20 15 81 CALM 30.34F TC -7
MORRIS* PTCLDY 20 10 64 CALM 30.32F TC -6
ROMEOVILLE* PTCLDY 19 16 86 SE6 30.33F WCI 11 TC -7
LANSING* CLEAR 18 14 82 CALM 30.33F TC -8
NORTHERLY ISL* N/A 23 15 71 MISG N/A TC -5
LMZ740>746-240400-
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/ 5/ 6 N/A
NORTHERLY ISL 23 350/ 2/ 7 N/A
CALUMET HARBOR 23 290/ 1/ 1 1026.6F
BURNS HARBOR 25 360/ 3/ 4 1027.1F
MICHIGAN CITY 25 350/ 9/ 11 1027.7F
ILZ025>027-034>036-040-047-049-050-058-095>099-240400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 23 9 55 S5 30.34F WCI 17 TC -5
GALESBURG* CLEAR 16 10 78 CALM 30.34F TC -9
MACOMB* PTCLDY 19 6 57 SW5 30.36F WCI 12 TC -7
JACKSONVILLE* CLEAR 22 8 54 SW5 30.36F WCI 16 TC -5
ILZ028>032-037-038-041>044-048-051>054-059>061-240400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 21 9 57 W3 30.34F TC -6
BLOOMINGTON CLEAR 21 13 71 SW5 30.33F WCI 15 TC -6
DECATUR CLEAR 24 10 55 SW5 30.36F WCI 18 TC -4
PEORIA CLEAR 23 8 52 CALM 30.34F TC -5
LACON* CLEAR 18 8 64 CALM 30.32F TC -8
LINCOLN* CLEAR 20 6 54 CALM 30.35F TC -6
SPRINGFIELD CLEAR 22 8 55 S3 30.36F TC -6
TAYLORVILLE CLEAR 22 14 70 CALM 30.36F TC -5
ILZ033-039-045-046-055>057-062-063-240400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 20 10 65 W5 30.34F WCI 13 TC -7
DANVILLE* CLEAR 21 11 65 W5 30.35F WCI 15 TC -6
RANTOUL* CLEAR 20 10 63 CALM 30.34F TC -7
MATTOON CLEAR 23 13 65 SW3 30.35F TC -5
PARIS* CLEAR 22 16 76 CALM 30.36F TC -6
ILZ079-100>102-240400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 23 12 63 CALM 30.39 TC -5
BELLEVILLE CLEAR 22 13 67 CALM 30.40F TC -5
CAHOKIA* CLEAR 22 13 68 S5 30.39F WCI 16 TC -6
SPARTA* CLEAR 24 14 65 CALM 30.43S TC -5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 23 17 78 CALM 30.43S TC -5
CAIRO* CLEAR 25 17 73 CALM 30.45S TC -4
EFFINGHAM* CLEAR 22 16 78 S3 30.40F TC -6
MARION CLEAR 22 11 64 CALM 30.43F TC -6
MT. VERNON CLEAR 21 16 81 CALM 30.42S TC -6
SALEM* CLEAR 24 17 73 CALM 30.40F TC -4
ILZ067-068-072-073-078-083-087-091-240400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 24 13 62 W3 30.39F TC -4
FLORA* CLEAR 23 19 86 SW5 30.41S WCI 17 TC -5
FAIRFIELD* CLEAR 24 14 66 CALM 30.41F TC -5
HARRISBURG* CLEAR 21 13 72 CALM 30.43S TC -6
ROBINSON* CLEAR 21 18 86 SW5 30.38F WCI 15 TC -6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page