516
ASUS43 KLOT 122101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-122200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 46 23 40 S16G22 30.03F TC 8
STERLING* CLOUDY 44 25 47 SW6 30.07F TC 7
SAVANNA* CLOUDY 44 22 43 S12 30.05F TC 7
ILZ003-004-008-010-011-017-018-122200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 44 19 36 S13G22 30.07F TC 7
FREEPORT* PTSUNNY 43 24 48 SW13 30.06F TC 6
PERU* PTSUNNY N/A N/A N/A SW13G20 30.10F
ILZ005-006-012>014-019>023-122200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 44 22 41 SW8G21 30.08F TC 7
CHICAGO-MIDWAY PTSUNNY 45 22 40 SW12 30.10F TC 7
AURORA MOSUNNY 45 25 45 SW10 30.09F TC 7
JOLIET* SUNNY 46 23 40 W10 30.12F TC 8
WAUKEGAN SUNNY 45 19 35 SW10G21 30.06F TC 7
DUPAGE AIRPORT SUNNY 44 23 43 SW13G21 30.08F TC 7
WHEELING SUNNY 45 21 38 SW10 30.09F TC 7
MORRIS* MOSUNNY 45 23 40 SW9 30.10F TC 7
ROMEOVILLE* SUNNY 45 25 45 SW12G18 30.12F TC 7
LANSING* SUNNY 45 24 44 W8G16 30.12F TC 7
NORTHERLY ISL* N/A 44 18 35 SW7 N/A TC 7
LMZ740>746-122200-
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 39 130/ 12/ 13 N/A
NORTHERLY ISL 44 200/ 8/ 12 N/A
CALUMET HARBOR 44 200/ 7/ 11 1019.0
BURNS HARBOR 41 60/ 4/ 4 1020.3F
MICHIGAN CITY 38 50/ 3/ 3 1020.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-122200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 49 26 41 S14 30.06F TC 9
MACOMB* CLOUDY 47 27 46 S14 30.10F TC 8
PITTSFIELD* PTSUNNY 51 26 38 S12 30.12F TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-122200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 47 23 38 W13 30.13F TC 8
BLOOMINGTON PTSUNNY 45 26 47 W14G20 30.14F TC 7
DECATUR PTSUNNY 47 25 42 SW13 30.17F TC 8
PEORIA CLOUDY 46 23 40 SW10 30.11F TC 8
LACON* PTSUNNY 46 21 37 SW9 30.09F TC 8
LINCOLN* CLOUDY 48 21 34 SW6 30.15F TC 9
SPRINGFIELD CLOUDY 48 26 42 S10 30.15F TC 9
TAYLORVILLE PTSUNNY 46 28 49 SW9 30.18F TC 8
ILZ033-039-045-046-055>057-062-063-122200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 47 27 45 SW15 30.16F TC 8
DANVILLE* MOSUNNY 48 26 42 SW15 30.17F TC 9
MATTOON SUNNY 47 26 44 W12 30.17F TC 8
PARIS* MOSUNNY 48 28 46 W12 30.19F TC 9
ILZ079-100>102-122200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 54 23 30 SE10 30.17F TC 12
BELLEVILLE SUNNY 55 25 31 S9 30.17F TC 13
CAHOKIA* MOSUNNY 53 24 32 CALM 30.17F TC 12
SPARTA* SUNNY 52 25 36 SW8 30.22F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-122200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 53 24 32 MISG 30.22F TC 12
CAIRO* SUNNY 53 29 40 SW7 30.24F TC 12
EFFINGHAM* MOSUNNY 49 26 40 SW10 30.21F TC 10
MARION MOSUNNY 52 25 35 SW6 30.22F TC 11
MT. VERNON N/A 51 27 39 SW9G16 30.22F TC 11
CENTRALIA* SUNNY 51 27 39 SW10 30.22S TC 11
SALEM* MOSUNNY 52 29 42 W9 30.21F TC 11
ILZ067-068-072-073-078-083-087-091-122200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 50 27 40 W14 30.21F TC 10
FLORA* MOSUNNY 50 23 34 SW7 30.22F TC 10
FAIRFIELD* MOSUNNY 51 25 37 SW7 30.22F TC 11
HARRISBURG* SUNNY 53 24 31 W5 30.23F TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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