782
ASUS43 KLOT 121712
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-121800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 43 26 51 W9 30.22F TC 6
STERLING* SUNNY 41 25 53 W12 30.22F TC 5
SAVANNA* SUNNY 39 25 56 W6 30.21F WCI 35 TC 4
ILZ003-004-008-010-011-017-018-121800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 39 25 57 W8 30.21F WCI 33 TC 4
FREEPORT* MOSUNNY 39 25 57 W8 30.21F WCI 33 TC 4
ROCHELLE* SUNNY 39 26 59 W13 30.21F WCI 31 TC 4
PERU* SUNNY 40 29 65 W12 30.24S TC 5
ILZ005-006-012>014-019>023-121800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 40 22 48 NW12G18 30.17F TC 4
CHICAGO-MIDWAY MOSUNNY 41 25 53 NW12G17 30.19F TC 5
AURORA MOSUNNY 39 30 70 W10 30.20F WCI 32 TC 4
JOLIET* SUNNY 42 27 57 NW6 30.21F TC 5
WAUKEGAN MOSUNNY 39 22 50 W12G20 30.16F WCI 32 TC 4
DUPAGE AIRPORT SUNNY 38 25 59 NW6 30.18F WCI 33 TC 3
KANKAKEE* SUNNY 41 27 57 NW8 30.22F TC 5
WHEELING MOSUNNY 40 24 53 NW10 30.19F TC 4
MORRIS* SUNNY 40 29 67 NW10 30.21F TC 4
ROMEOVILLE* MOSUNNY 39 28 65 W10 30.20F WCI 32 TC 4
LANSING* SUNNY 40 25 54 NW10 30.20F TC 4
NORTHERLY ISL* N/A 39 21 48 NW7 N/A WCI 34 TC 4
LMZ740>746-121800-
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 38 310/ 8/ 9 N/A
NORTHERLY ISL 38 350/ 7/ 11 N/A
CALUMET HARBOR 38 280/ 8/ 13 1022.1
BURNS HARBOR 36 300/ 5/ 7 1023.4R
MICHIGAN CITY 34 280/ 13/ 14 1023.0R
ILZ025>027-034>036-040-047-049-050-058-095>099-121800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 44 28 53 SW12G22 30.27F TC 7
GALESBURG* SUNNY 43 34 71 SW10 N/A TC 6
MACOMB* SUNNY 44 31 61 W12 30.28F TC 6
JACKSONVILLE* SUNNY 45 29 53 W12 30.29F TC 7
PITTSFIELD* SUNNY 45 28 51 W14 30.30F TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-121800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 41 25 53 NW14G21 30.24S TC 5
BLOOMINGTON SUNNY 43 27 53 W12 30.25F TC 6
DECATUR SUNNY 43 28 55 NW9G18 30.28S TC 6
PEORIA SUNNY 43 26 51 W12G20 30.25F TC 6
LACON* SUNNY 42 26 53 NW9G16 30.25F TC 5
LINCOLN* SUNNY 45 27 50 NW7 30.28F TC 7
SPRINGFIELD SUNNY 44 32 62 W12 30.29F TC 7
TAYLORVILLE SUNNY 45 32 61 W13 30.30S TC 7
ILZ033-039-045-046-055>057-062-063-121800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 42 28 57 W12 30.25S TC 6
DANVILLE* SUNNY 43 28 56 NW8 30.24F TC 6
RANTOUL* SUNNY 42 29 61 W13 30.25S TC 5
MATTOON SUNNY 44 32 62 W13 30.26F TC 7
PARIS* SUNNY 43 31 60 NW9 30.26F TC 6
ILZ079-100>102-121800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 46 32 57 W9 30.33F TC 8
BELLEVILLE MOSUNNY 49 28 43 W9 30.32F TC 10
CAHOKIA* MOSUNNY 47 27 45 W9 30.33F TC 8
SPARTA* MOSUNNY 45 30 55 W5 30.36S TC 7
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 47 27 45 N5 30.35S TC 8
CAIRO* SUNNY 47 29 49 SW3 30.38R TC 8
EFFINGHAM* SUNNY 45 33 61 SW5 30.31F TC 7
MARION SUNNY 46 27 46 W8 30.35S TC 8
MT. VERNON SUNNY 46 28 49 W8 30.33S TC 8
CENTRALIA* SUNNY 46 31 56 W8 30.33S TC 8
SALEM* SUNNY 46 34 61 W10 30.32S TC 8
ILZ067-068-072-073-078-083-087-091-121800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 46 27 47 W7 30.29S TC 8
FLORA* SUNNY 45 32 61 W6 30.32S TC 7
FAIRFIELD* SUNNY 44 28 52 NW6 30.32F TC 7
HARRISBURG* SUNNY 46 27 46 W6 30.34F TC 8
ROBINSON* SUNNY 45 32 61 W14 30.28S TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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