202
ASUS43 KLOT 122208
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-122300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 45 24 43 S15G22 29.96F TC 7
STERLING* CLOUDY 44 28 53 VRB7 30.02F TC 7
SAVANNA* CLOUDY 44 22 41 S15 30.00F TC 7
ILZ003-004-008-010-011-017-018-122300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 43 22 43 S13 30.04F TC 6
FREEPORT* CLOUDY 42 24 48 S9 30.01F TC 6
ROCHELLE* CLOUDY 42 26 53 S12 30.04F TC 6
ILZ005-006-012>014-019>023-122300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 44 21 40 SW13G21 30.04F TC 7
CHICAGO-MIDWAY PTSUNNY 45 21 38 SW7G18 30.06F TC 7
AURORA PTSUNNY 43 26 51 SW13 30.05F TC 6
JOLIET* PTSUNNY 46 22 37 S7 30.07F TC 8
WAUKEGAN PTSUNNY 43 21 41 SW15 30.02F TC 6
DUPAGE AIRPORT PTSUNNY 43 22 43 SW13 30.04F TC 6
KANKAKEE* PTSUNNY 46 24 43 W10 30.10F TC 8
WHEELING PTSUNNY 44 22 41 SW8 30.05F TC 7
MORRIS* PTSUNNY 45 25 45 SW12 30.06F TC 7
ROMEOVILLE* SUNNY 45 23 42 SW14 30.08F TC 7
LANSING* MOSUNNY 45 23 41 W9 30.10F TC 7
NORTHERLY ISL* N/A 44 17 34 SW7 N/A TC 7
LMZ740>746-122300-
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 40 150/ 6/ 10 N/A
NORTHERLY ISL 44 210/ 3/ 12 N/A
CALUMET HARBOR 44 200/ 8/ 12 1018.5
BURNS HARBOR 42 CALM / 2 1019.6F
MICHIGAN CITY 38 40/ 5/ 5 1019.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-122300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 50 27 40 S16G28 30.00F TC 10
GALESBURG* CLOUDY 45 32 61 S14G20 30.00F TC 7
MACOMB* CLOUDY 47 26 44 S17G25 30.03F TC 8
JACKSONVILLE* CLOUDY 49 22 34 S13 30.06F TC 10
PITTSFIELD* CLOUDY 51 27 39 S14 30.05F TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-122300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 46 20 35 SW12 30.08F TC 8
BLOOMINGTON CLOUDY 45 27 49 S15 30.09F TC 7
DECATUR CLOUDY 47 24 40 S13 30.11F TC 8
PEORIA CLOUDY 46 23 40 S15G22 30.04F TC 8
LACON* CLOUDY 46 21 36 SW12G17 30.04F TC 8
LINCOLN* CLOUDY 48 22 35 S6 30.08F TC 9
SPRINGFIELD CLOUDY 48 22 35 S13G23 30.08F TC 9
TAYLORVILLE CLOUDY 48 28 46 S9 30.12F TC 9
ILZ033-039-045-046-055>057-062-063-122300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 46 27 47 SW10 30.12F TC 8
DANVILLE* MOSUNNY 47 26 44 SW10G20 30.14F TC 8
RANTOUL* PTSUNNY 46 27 48 SW12 30.12F TC 8
MATTOON PTSUNNY 47 25 42 SW5 30.14F TC 8
PARIS* PTSUNNY 47 26 45 W7 30.16F TC 8
ILZ079-100>102-122300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 54 21 28 S12 30.12F TC 12
BELLEVILLE PTSUNNY 54 26 33 S12 30.11F TC 12
CAHOKIA* MOSUNNY 53 22 29 S10G20 30.10F TC 12
SPARTA* SUNNY 52 25 35 S5 30.17F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-122300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 53 24 32 SW5 30.18F TC 12
CAIRO* SUNNY 53 29 40 W7 30.22F TC 12
EFFINGHAM* PTSUNNY 48 27 43 SW6 30.18F TC 9
MARION MOSUNNY 54 21 28 SW6 30.19F TC 12
MT. VERNON N/A 51 24 34 SW3 30.18F TC 11
CENTRALIA* MOSUNNY 51 31 46 S7 30.18F TC 10
SALEM* MOSUNNY 52 31 44 S5 30.17F TC 11
ILZ067-068-072-073-078-083-087-091-122300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 49 26 41 SW8 30.19F TC 9
FLORA* PTSUNNY 50 25 37 SW3 30.18F TC 10
FAIRFIELD* MOSUNNY 51 26 38 SW8 30.19F TC 10
HARRISBURG* SUNNY 53 20 27 SW5 30.20F TC 12
ROBINSON* PTSUNNY 48 30 49 SW12G17 30.18F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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