148
ASUS43 KLOT 121506
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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.
ILZ001-002-007-009-015-016-024-121600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 36 28 73 W8 30.25R WCI 30 TC 2
STERLING* SUNNY 36 28 73 W8 30.24S WCI 30 TC 2
SAVANNA* SUNNY 34 25 68 NW7 30.23S WCI 28 TC 1
ILZ003-004-008-010-011-017-018-121600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 35 26 69 W12 30.22R WCI 27 TC 2
FREEPORT* SUNNY 35 27 72 W7 30.22F WCI 29 TC 2
ROCHELLE* SUNNY 34 26 72 W10 30.22S WCI 26 TC 1
PERU* SUNNY 35 28 75 NW8 30.24S WCI 29 TC 2
ILZ005-006-012>014-019>023-121600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 35 24 64 W9 30.18R WCI 28 TC 2
CHICAGO-MIDWAY MOSUNNY 35 26 69 NW7 30.19S WCI 29 TC 2
AURORA SUNNY 34 28 79 NW14 30.20R WCI 25 TC 1
JOLIET* SUNNY 38 29 69 W9 30.22S WCI 31 TC 3
WAUKEGAN SUNNY 35 25 66 W9 30.17R WCI 28 TC 2
DUPAGE AIRPORT SUNNY 35 27 72 W10 30.19R WCI 27 TC 2
KANKAKEE* SUNNY 36 28 74 W14 30.23S WCI 27 TC 2
WHEELING SUNNY 35 25 66 NW9 30.19S WCI 28 TC 2
MORRIS* SUNNY 35 28 73 W12 30.22R WCI 27 TC 2
LANSING* SUNNY 36 27 70 NW6 30.20F WCI 31 TC 2
NORTHERLY ISL* N/A 36 25 65 W9 N/A WCI 29 TC 2
LMZ740>746-121600-
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 35 290/ 11/ 13 N/A
NORTHERLY ISL 35 300/ 8/ 10 N/A
CALUMET HARBOR 35 250/ 6/ 10 1021.9
BURNS HARBOR 35 280/ 8/ 9 1022.7F
MICHIGAN CITY 34 260/ 15/ 16 1022.6R
ILZ025>027-034>036-040-047-049-050-058-095>099-121600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 37 29 72 SW6 30.31R WCI 32 TC 3
GALESBURG* SUNNY 36 35 96 W10 30.28S WCI 28 TC 2
MACOMB* SUNNY 36 32 85 W8 30.30S WCI 29 TC 2
JACKSONVILLE* SUNNY 37 29 73 W8 30.31R WCI 31 TC 3
PITTSFIELD* SUNNY 39 29 68 W7 30.32S WCI 34 TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-121600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 36 27 71 NW14 30.24S WCI 27 TC 2
BLOOMINGTON SUNNY 37 27 67 NW12 30.25S WCI 29 TC 3
DECATUR SUNNY 38 27 64 VRB6 30.27F WCI 33 TC 3
PEORIA SUNNY 37 27 67 NW7 30.27R WCI 32 TC 3
LACON* SUNNY 36 26 66 NW8 30.25S WCI 30 TC 2
LINCOLN* SUNNY 38 27 62 W5 30.28R WCI 35 TC 4
SPRINGFIELD SUNNY 38 28 67 W8 30.29R WCI 32 TC 3
TAYLORVILLE SUNNY 37 30 75 W6 30.30S WCI 33 TC 3
ILZ033-039-045-046-055>057-062-063-121600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 37 30 75 W13 30.25F WCI 29 TC 3
DANVILLE* SUNNY 38 29 70 W12 30.25F WCI 31 TC 4
RANTOUL* SUNNY 36 29 77 W13 30.25S WCI 27 TC 2
MATTOON SUNNY 38 30 73 W12 30.27S WCI 30 TC 3
PARIS* SUNNY 38 30 74 W13 30.27F WCI 30 TC 3
ILZ079-100>102-121600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 41 28 60 NW10 30.33R TC 5
BELLEVILLE SUNNY 44 29 55 W7 30.32S TC 7
CAHOKIA* SUNNY 42 28 57 W6 30.33S TC 6
SPARTA* SUNNY 40 29 65 SW3 30.36R TC 4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 41 27 57 NW7 30.35R TC 5
CAIRO* SUNNY 43 30 59 N5 30.39R TC 6
EFFINGHAM* SUNNY 39 30 69 SW7 30.31F WCI 34 TC 4
MARION SUNNY 39 28 65 NW7 30.34S WCI 34 TC 4
MT. VERNON SUNNY 40 28 62 VRB3 30.33F TC 4
CENTRALIA* SUNNY 40 29 64 W5 30.33S TC 4
SALEM* SUNNY 41 32 70 W7 30.32S TC 5
ILZ067-068-072-073-078-083-087-091-121600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 41 30 65 NW9 30.30S TC 5
FLORA* SUNNY 39 28 65 W7 30.32S WCI 34 TC 4
FAIRFIELD* SUNNY 40 28 64 NW5 30.33S TC 4
HARRISBURG* SUNNY 43 29 57 NW3 30.34S TC 6
ROBINSON* SUNNY 39 32 75 W9 30.29S WCI 33 TC 4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page