446
ASUS43 KLOT 121801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-121900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 45 24 43 SW14G25 30.20F TC 7
6HR MIN TEMP: 26; 6HR MAX TEMP: 46;
STERLING* SUNNY 44 23 43 W15 30.20F TC 7
SAVANNA* SUNNY 43 25 49 SW10 30.20F TC 6
ILZ003-004-008-010-011-017-018-121900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 41 24 51 W9 30.19F TC 5
6HR MIN TEMP: 28; 6HR MAX TEMP: 41;
FREEPORT* SUNNY 41 26 53 W14G20 30.19F TC 5
ILZ005-006-012>014-019>023-121900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 41 23 48 W10G17 30.16F TC 5
6HR MIN TEMP: 29; 6HR MAX TEMP: 41;
CHICAGO-MIDWAY MOSUNNY 42 22 44 NW10 30.17F TC 6
6HR MIN TEMP: 29; 6HR MAX TEMP: 42;
AURORA MOSUNNY 41 29 62 SW13 30.18F TC 5
6HR MIN TEMP: 28; 6HR MAX TEMP: 41;
JOLIET* MOSUNNY 44 28 51 W10G16 30.20F TC 7
WAUKEGAN MOSUNNY 40 21 46 VRB7 30.15F TC 4
6HR MIN TEMP: 29; 6HR MAX TEMP: 41;
DUPAGE AIRPORT SUNNY 41 26 55 W13 30.17F TC 5
6HR MIN TEMP: 27; 6HR MAX TEMP: 41;
WHEELING SUNNY 41 21 44 NW9 30.17F TC 5
6HR MIN TEMP: 29; 6HR MAX TEMP: 42;
MORRIS* MOSUNNY 42 29 61 W12 30.20F TC 5
ROMEOVILLE* MOSUNNY 41 27 56 W12G18 30.19F TC 5
LANSING* SUNNY 43 24 48 W9 30.19S TC 6
NORTHERLY ISL* N/A 41 19 41 SW7 N/A TC 5
LMZ740>746-121900-
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 39 310/ 6/ 8 N/A
NORTHERLY ISL 40 240/ 5/ 12 N/A
CALUMET HARBOR 42 290/ 7/ 11 1021.4F
BURNS HARBOR 36 310/ 4/ 4 1022.7F
MICHIGAN CITY 35 270/ 7/ 8 1022.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-121900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 47 26 44 SW14 30.23F TC 8
MACOMB* SUNNY 46 31 56 SW9 30.25F TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-121900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 45 29 53 W15 30.23F TC 7
DECATUR SUNNY 45 27 49 NW14 30.25F TC 7
PEORIA SUNNY 46 27 47 W6 30.23F TC 8
6HR MIN TEMP: 29; 6HR MAX TEMP: 46;
LINCOLN* SUNNY 47 24 41 W6 30.25F TC 8
SPRINGFIELD SUNNY 46 33 60 W15G24 30.27F TC 8
6HR MIN TEMP: 30; 6HR MAX TEMP: 46;
TAYLORVILLE SUNNY 45 30 57 W14G21 30.28F TC 7
ILZ033-039-045-046-055>057-062-063-121900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 44 27 51 W15G23 30.23F TC 7
DANVILLE* SUNNY 45 28 51 W14 30.23F TC 7
MATTOON SUNNY 45 29 53 W8 30.24F TC 7
PARIS* SUNNY 45 31 58 W9 30.25F TC 7
ILZ079-100>102-121900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 48 28 46 SW14G21 30.30F TC 9
BELLEVILLE MOSUNNY 51 27 39 SW9G16 30.30F TC 11
CAHOKIA* MOSUNNY 49 26 41 W9 30.30F TC 9
SPARTA* MOSUNNY 47 30 50 W10 30.34F TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 48 25 40 CALM 30.33F TC 9
6HR MIN TEMP: 32; 6HR MAX TEMP: 48;
CAIRO* SUNNY 49 27 43 CALM 30.35F TC 9
MARION MOSUNNY 46 25 42 NW9 30.33F TC 8
MT. VERNON SUNNY 48 31 51 SW12 30.32F TC 9
CENTRALIA* SUNNY 47 31 53 W8 30.31F TC 9
SALEM* SUNNY 47 33 56 W14 30.30F TC 9
ILZ067-068-072-073-078-083-087-091-121900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 47 29 49 W15G21 30.28F TC 8
FLORA* MOSUNNY 46 32 57 W16 30.30F TC 8
FAIRFIELD* MOSUNNY 46 28 48 W8G16 30.32S TC 8
HARRISBURG* SUNNY 50 24 35 W7 30.33F TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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