221
ASUS43 KLOT 231601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-231700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 21 7 54 NW9 30.57S WCI 11 TC -6
STERLING* SUNNY 23 10 57 NW12 30.55S WCI 12 TC -5
SAVANNA* SUNNY 21 7 53 N13 30.56F WCI 9 TC -6
ILZ003-004-008-010-011-017-018-231700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 22 7 52 N10 30.53R WCI 11 TC -6
PERU* PTSUNNY N/A N/A N/A N12G21 30.52S
ILZ005-006-012>014-019>023-231700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 22 7 52 NW17G24 30.46S WCI 8 TC -6
CHICAGO-MIDWAY CLOUDY 23 8 52 NW16 30.46S WCI 10 TC -5
AURORA PTSUNNY 23 8 52 N16G25 30.48R WCI 10 TC -5
JOLIET* CLOUDY 25 11 54 N8 30.49S WCI 16 TC -4
WAUKEGAN CLOUDY 20 8 60 NW15G22 30.47R WCI 6 TC -7
DUPAGE AIRPORT PTSUNNY 23 9 55 N16G24 30.47S WCI 10 TC -5
WHEELING CLOUDY 21 8 57 N17G26 30.48S WCI 7 TC -6
MORRIS* CLOUDY 24 10 55 N12G20 30.49S WCI 13 TC -4
ROMEOVILLE* CLOUDY 25 10 54 NW7G21 30.49R WCI 17 TC -4
LANSING* CLOUDY 23 11 59 N13G24 30.45R WCI 11 TC -5
NORTHERLY ISL* N/A 22 12 65 W13 N/A WCI 10 TC -5
LMZ740>746-231700-
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 21 320/ 23/ 27 N/A
NORTHERLY ISL 22 290/ 12/ 18 N/A
CALUMET HARBOR 22 300/ 14/ 16 1030.5
BURNS HARBOR 26 340/ 15/ 19 1029.5S
MICHIGAN CITY 26 330/ 30/ 33 1029.3S
ILZ025>027-034>036-040-047-049-050-058-095>099-231700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 18 6 59 NW13 30.61R WCI 5 TC -8
MACOMB* SUNNY 22 8 56 NW14 30.61S WCI 9 TC -6
ILZ028>032-037-038-041>044-048-051>054-059>061-231700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 22 8 55 N18 30.51S WCI 7 TC -6
BLOOMINGTON CLOUDY 21 11 65 N16 30.51R WCI 7 TC -6
DECATUR MOSUNNY 23 10 57 NW14G24 30.53R WCI 11 TC -5
PEORIA SUNNY 21 9 59 N12 30.56R WCI 9 TC -6
LACON* FLURRIES 20 9 61 NW12 30.54S WCI 8 TC -7
LINCOLN* MOSUNNY 24 7 47 N8 30.55S WCI 15 TC -4
SPRINGFIELD SUNNY 22 9 57 N10G24 30.57R WCI 11 TC -6
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-231700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 24 11 57 NW16G25 30.48R WCI 11 TC -4
DANVILLE* MOSUNNY 27 15 62 NW14 30.46R WCI 16 TC -3
MATTOON MOSUNNY 24 11 57 N16G29 30.48S WCI 11 TC -4
PARIS* SUNNY 26 13 58 NW15 30.46F WCI 13 TC -4
ILZ079-100>102-231700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 21 7 53 NW14 30.60R WCI 8 TC -6
BELLEVILLE MOSUNNY 23 8 52 N10 30.58R WCI 13 TC -5
CAHOKIA* MOSUNNY 21 7 54 N15G21 30.61R WCI 8 TC -6
SPARTA* PTSUNNY 22 8 55 NW9G17 30.59R WCI 12 TC -5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-231700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 22 9 57 N16G23 30.57S WCI 8 TC -6
CAIRO* CLOUDY 22 9 58 N12 30.59R WCI 10 TC -6
EFFINGHAM* MOSUNNY 22 11 62 NW13G18 30.54S WCI 10 TC -5
MT. VERNON MOSUNNY 23 11 60 NW8 30.56R WCI 14 TC -5
SALEM* CLOUDY 24 11 58 NW12 30.55R WCI 13 TC -4
ILZ067-068-072-073-078-083-087-091-231700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 24 11 57 NW16 30.50S WCI 11 TC -4
FLORA* FLURRIES 23 12 63 NW12 30.54S WCI 12 TC -5
FAIRFIELD* PTSUNNY 22 11 61 NW7 30.54S WCI 13 TC -6
HARRISBURG* CLOUDY 22 8 54 NW10 30.56R WCI 12 TC -5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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