805
ASUS43 KLOT 211101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CST SAT FEB 21 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.
ILZ001-002-007-009-015-016-024-211200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 18 12 77 NW12 30.10R WCI 5 TC -8
STERLING* CLEAR 22 18 85 NW7 30.09R WCI 13 TC -6
SAVANNA* CLOUDY 23 17 75 NW7 30.08R WCI 15 TC -5
ILZ003-004-008-010-011-017-018-211200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 25 18 74 W9 30.06R WCI 15 TC -4
PERU* CLOUDY 22 18 84 NW7 30.08R WCI 13 TC -6
ILZ005-006-012>014-019>023-211200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 26 18 71 W8 30.02R WCI 18 TC -3
CHICAGO-MIDWAY MOCLDY 25 18 74 W8 30.04R WCI 16 TC -4
AURORA CLOUDY 24 19 81 NW13 30.04R WCI 12 TC -4
JOLIET* CLOUDY 26 21 79 CALM 30.07R TC -3
WAUKEGAN CLEAR 24 19 81 W7 30.00R WCI 16 TC -4
DUPAGE AIRPORT CLOUDY 25 19 78 NW9 30.03R WCI 15 TC -4
WHEELING MOCLDY 26 20 77 W7 30.03R WCI 18 TC -3
MORRIS* CLOUDY 22 18 85 W8 30.06R WCI 13 TC -5
LANSING* PTCLDY 23 18 81 W6 30.05R WCI 16 TC -5
NORTHERLY ISL* N/A 25 19 78 W8 N/A WCI 16 TC -4
LMZ740>746-211200-
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 26 270/ 13/ 14 N/A
NORTHERLY ISL 25 270/ 8/ 16 N/A
CALUMET HARBOR 25 260/ 3/ 9 1016.0
BURNS HARBOR 28 290/ 6/ 9 1017.3R
MICHIGAN CITY 28 290/ 13/ 15 1017.0R
ILZ025>027-034>036-040-047-049-050-058-095>099-211200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 22 16 78 NW7 30.14R WCI 13 TC -6
MACOMB* PTCLDY 17 13 87 W7 30.17R WCI 7 TC -8
ILZ028>032-037-038-041>044-048-051>054-059>061-211200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 18 15 86 SW5 30.10R WCI 11 TC -8
BLOOMINGTON CLEAR 19 16 88 W7 30.11R WCI 10 TC -7
DECATUR CLEAR 22 17 81 W3 30.13R TC -6
PEORIA CLEAR 19 14 81 SW6 30.13R WCI 11 TC -7
LACON* CLEAR 18 12 78 W3 30.10S TC -8
LINCOLN* CLEAR 22 14 71 W3 30.15R TC -6
SPRINGFIELD CLEAR 20 16 84 W6 30.15R WCI 12 TC -7
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-211200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 18 15 88 W9 30.11R WCI 7 TC -8
DANVILLE* CLOUDY 21 18 88 W6 30.11R WCI 13 TC -6
MATTOON CLEAR 21 18 88 NW5 30.12R WCI 15 TC -6
PARIS* CLEAR 23 18 82 CALM 30.13R TC -5
ILZ079-100>102-211200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE MOCLDY 31 25 77 N6 30.12R WCI 25 TC 0
CAHOKIA* PTCLDY 30 22 72 N7 30.13S WCI 23 TC -1
SPARTA* PTCLDY 31 24 76 N5 30.14R WCI 26 TC -1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-211200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 36 26 67 N6 30.11R WCI 31 TC 2
CAIRO* CLOUDY 42 29 60 NE8 30.07R TC 6
EFFINGHAM* PTCLDY 27 23 82 NW7 30.15S WCI 20 TC -3
MARION CLOUDY 35 24 65 N9 30.11R WCI 28 TC 2
MT. VERNON MOCLDY 31 23 72 N5 30.12R WCI 26 TC -1
SALEM* PTCLDY 31 24 75 N6 30.13R WCI 25 TC -1
ILZ067-068-072-073-078-083-087-091-211200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 31 23 72 NW5 30.12R WCI 26 TC -1
FLORA* MOCLDY 30 23 74 N8 30.13R WCI 23 TC -1
FAIRFIELD* PTCLDY 32 24 71 N6 30.11S WCI 27 TC 0
HARRISBURG* MOCLDY 35 25 67 N7 30.10R WCI 29 TC 2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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