831
ASUS43 KLOT 240210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-240300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 16 7 67 W3 30.35F TC -9
STERLING* CLEAR 21 14 74 W6 30.35F WCI 13 TC -6
SAVANNA* CLEAR 22 11 63 CALM 30.35F TC -6
ILZ003-004-008-010-011-017-018-240300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 21 11 65 CALM 30.34F TC -6
ROCHELLE* PTCLDY 20 10 64 CALM 30.33F TC -6
PERU* PTCLDY 25 10 52 W5 30.35F WCI 19 TC -4
ILZ005-006-012>014-019>023-240300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 22 13 68 NE3 30.33F TC -6
CHICAGO-MIDWAY PTCLDY 23 13 65 CALM 30.34F TC -5
AURORA PTCLDY 18 8 65 CALM 30.32F TC -8
JOLIET* PTCLDY 22 11 62 CALM 30.35F TC -5
WAUKEGAN CLEAR 16 12 84 CALM 30.33F TC -9
DUPAGE AIRPORT PTCLDY 22 10 60 CALM 30.32F TC -6
KANKAKEE* CLEAR 24 12 61 CALM 30.35F TC -5
WHEELING PTCLDY 21 14 74 CALM 30.35F TC -6
MORRIS* PTCLDY 23 10 56 CALM 30.34F TC -5
ROMEOVILLE* CLEAR 27 10 50 CALM 30.36F TC -3
LANSING* CLEAR 19 13 77 CALM 30.36F TC -7
NORTHERLY ISL* N/A 23 16 74 NE8 N/A WCI 14 TC -5
LMZ740>746-240300-
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 24 350/ 6/ 7 N/A
NORTHERLY ISL 22 10/ 5/ 10 N/A
CALUMET HARBOR 23 350/ 3/ 5 1027.4
BURNS HARBOR 25 10/ 4/ 6 1028.1F
MICHIGAN CITY 25 350/ 12/ 13 1028.0F
ILZ025>027-034>036-040-047-049-050-058-095>099-240300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 24 8 50 S3 30.36F TC -4
GALESBURG* CLEAR 17 11 78 CALM 30.37S TC -8
MACOMB* PTCLDY 19 5 54 CALM 30.38F TC -7
JACKSONVILLE* CLEAR 23 9 54 SW3 30.39F TC -5
ILZ028>032-037-038-041>044-048-051>054-059>061-240300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 23 9 54 CALM 30.36F TC -5
BLOOMINGTON CLEAR 21 10 62 CALM 30.36F TC -6
DECATUR CLEAR 26 9 48 W3 30.37F TC -3
PEORIA CLEAR 24 8 50 W3 30.37F TC -4
LACON* CLEAR 20 8 61 CALM 30.36F TC -7
LINCOLN* CLEAR 25 6 44 CALM 30.38F TC -4
SPRINGFIELD CLEAR 24 8 50 SW5 30.39F WCI 18 TC -4
TAYLORVILLE CLEAR 24 11 58 W5 30.40F WCI 18 TC -4
ILZ033-039-045-046-055>057-062-063-240300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 20 10 65 W3 30.36F TC -7
DANVILLE* CLEAR 24 11 58 W3 30.37F TC -5
RANTOUL* CLEAR 21 10 62 CALM 30.36F TC -6
MATTOON CLEAR 23 12 62 W3 30.37F TC -5
PARIS* CLEAR 23 14 68 CALM 30.39S TC -5
ILZ079-100>102-240300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 29 18 65 CALM 30.41F TC -2
CAHOKIA* CLEAR 23 12 62 CALM 30.41F TC -5
SPARTA* CLEAR 25 13 60 CALM 30.43F TC -4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-240300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 24 15 68 CALM 30.43F TC -4
CAIRO* CLEAR 27 15 62 CALM 30.45F TC -3
EFFINGHAM* CLEAR 25 15 65 CALM 30.42F TC -4
MARION CLEAR 23 10 57 CALM 30.44F TC -5
MT. VERNON CLEAR 21 14 74 CALM 30.42F TC -6
SALEM* CLEAR 26 16 66 CALM 30.41F TC -3
ILZ067-068-072-073-078-083-087-091-240300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 25 13 60 W3 30.41F TC -4
FLORA* CLEAR 25 16 68 W5 30.42F WCI 19 TC -4
FAIRFIELD* CLEAR 24 16 69 CALM 30.43S TC -4
HARRISBURG* CLEAR 23 13 65 W3 30.45S TC -5
ROBINSON* CLEAR 19 16 86 W5 30.40S WCI 13 TC -7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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