230
ASUS43 KLOT 121101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT THU MAR 12 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.
ILZ001-002-007-009-015-016-024-121200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 30 25 81 W9 30.23R WCI 22 TC -1
STERLING* CLEAR 27 25 92 W10 30.21R WCI 17 TC -3
SAVANNA* CLEAR 31 24 75 W5 30.20S WCI 26 TC 0
ILZ003-004-008-010-011-017-018-121200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 29 23 78 W7 30.18R WCI 22 TC -2
FREEPORT* CLEAR 29 25 84 W9 30.18R WCI 21 TC -1
ROCHELLE* CLEAR 27 24 89 W9 30.18R WCI 17 TC -3
ILZ005-006-012>014-019>023-121200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 30 23 75 SW7 30.14R WCI 23 TC -1
CHICAGO-MIDWAY PTCLDY 30 24 78 W9 30.16R WCI 22 TC -1
AURORA CLEAR 27 25 92 W5 30.16R WCI 22 TC -3
JOLIET* PTCLDY 32 28 84 SW5 30.19S WCI 27 TC 0
WAUKEGAN PTCLDY 29 21 72 W7 30.12S WCI 22 TC -2
DUPAGE AIRPORT CLEAR 27 23 85 SW6 30.15R WCI 20 TC -3
WHEELING CLEAR 29 22 75 CALM 30.16R TC -2
MORRIS* CLEAR 30 26 86 W8 30.18S WCI 22 TC -1
ROMEOVILLE* PTCLDY 28 27 93 SW7 30.18S WCI 21 TC -2
LANSING* PTCLDY 29 24 81 W7 30.18R WCI 22 TC -2
NORTHERLY ISL* N/A 32 24 73 W6 N/A WCI 26 TC 0
LMZ740>746-121200-
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 34 260/ 15/ 18 N/A
NORTHERLY ISL 33 260/ 8/ 9 N/A
CALUMET HARBOR 31 220/ 5/ 7 1020.8
BURNS HARBOR 35 260/ 9/ 10 1021.7R
MICHIGAN CITY 35 260/ 15/ 17 1020.9R
ILZ025>027-034>036-040-047-049-050-058-095>099-121200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 30 25 81 SW6 30.28S WCI 24 TC -1
MACOMB* CLEAR 30 27 89 W12 30.28S WCI 20 TC -1
JACKSONVILLE* CLEAR 30 25 81 SW5 30.27S WCI 25 TC -1
PITTSFIELD* CLEAR 33 26 77 W5 30.29F WCI 28 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-121200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 31 26 83 SW8 30.21S WCI 23 TC -1
BLOOMINGTON CLEAR 30 26 85 W8 30.23S WCI 22 TC -1
DECATUR CLEAR 32 26 78 W6 30.25S WCI 26 TC 0
PEORIA CLEAR 29 24 82 W6 30.24R WCI 23 TC -2
LACON* CLEAR 28 22 79 CALM 30.22R TC -2
LINCOLN* CLEAR 32 23 68 CALM 30.25F TC 0
SPRINGFIELD CLEAR 32 27 81 W6 30.26F WCI 26 TC 0
TAYLORVILLE CLEAR 32 27 80 W5 30.27S WCI 27 TC 0
ILZ033-039-045-046-055>057-062-063-121200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 29 26 89 W7 30.23R WCI 22 TC -2
DANVILLE* CLEAR 30 26 86 W7 30.23S WCI 23 TC -1
RANTOUL* CLEAR 30 26 86 W6 30.22F WCI 24 TC -1
MATTOON CLEAR 32 27 81 W3 30.25R TC 0
PARIS* CLEAR 31 29 92 CALM 30.25R TC -1
ILZ079-100>102-121200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 36 30 81 W5 30.30R WCI 32 TC 2
CAHOKIA* CLEAR 34 26 72 SW3 30.31R TC 1
SPARTA* CLEAR 33 30 90 W3 30.33S TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 35 31 85 CALM 30.32S TC 2
CAIRO* PTCLDY 38 30 74 N5 30.32F WCI 34 TC 3
EFFINGHAM* CLEAR 32 30 93 CALM 30.30R TC 0
MARION PTCLDY 33 29 85 CALM 30.32F TC 1
MT. VERNON CLEAR 30 28 92 CALM 30.31R TC -1
CENTRALIA* CLEAR 33 30 92 W5 30.31R WCI 28 TC 0
SALEM* CLEAR 34 30 85 W3 30.30R TC 1
ILZ067-068-072-073-078-083-087-091-121200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 34 28 79 NW8 30.27R WCI 27 TC 1
FLORA* CLEAR 32 28 86 W3 30.31R TC 0
FAIRFIELD* CLEAR 34 29 82 W3 30.31R TC 1
HARRISBURG* PTCLDY 34 27 77 NW3 30.32S TC 1
ROBINSON* CLEAR 34 30 86 NW9 30.27R WCI 26 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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