181
ASUS43 KLOT 121401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-121500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 31 27 85 SW7 30.24S WCI 24 TC -1
STERLING* SUNNY 33 28 81 W10 30.24R WCI 25 TC 1
SAVANNA* SUNNY 32 25 75 W7 30.24R WCI 26 TC 0
ILZ003-004-008-010-011-017-018-121500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 32 25 75 W9 30.21S WCI 24 TC 0
FREEPORT* SUNNY 32 26 78 W7 30.22R WCI 25 TC 0
PERU* SUNNY 33 28 81 W8 30.23S WCI 25 TC 0
ILZ005-006-012>014-019>023-121500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 33 24 69 W7 30.17S WCI 27 TC 1
CHICAGO-MIDWAY SUNNY 33 25 72 W10 30.19S WCI 25 TC 1
AURORA SUNNY 32 26 78 NW16 30.19R WCI 21 TC 0
JOLIET* SUNNY 35 28 78 W7G16 30.21S WCI 29 TC 2
WAUKEGAN SUNNY 32 25 75 W8 30.16S WCI 25 TC 0
DUPAGE AIRPORT SUNNY 32 25 75 W10 30.18R WCI 24 TC 0
WHEELING MOSUNNY 33 25 72 W9 30.19S WCI 25 TC 1
MORRIS* SUNNY 32 27 81 W10 30.21S WCI 24 TC 0
ROMEOVILLE* SUNNY 32 28 86 W10 30.21R WCI 24 TC 0
LANSING* SUNNY 33 26 76 W9 30.20S WCI 25 TC 1
NORTHERLY ISL* N/A 34 25 70 NW6 N/A WCI 29 TC 1
LMZ740>746-121500-
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 33 280/ 13/ 16 N/A
NORTHERLY ISL 33 260/ 5/ 9 N/A
CALUMET HARBOR 33 240/ 4/ 10 1021.8R
BURNS HARBOR 34 250/ 7/ 8 1023.0R
MICHIGAN CITY 34 260/ 19/ 20 1022.3R
ILZ025>027-034>036-040-047-049-050-058-095>099-121500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 33 26 75 W6 30.30R WCI 28 TC 1
MACOMB* SUNNY 33 30 89 W7 30.30R WCI 26 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-121500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 34 28 79 W10 30.25F WCI 26 TC 1
DECATUR SUNNY 36 27 69 W8 30.28R WCI 30 TC 2
PEORIA SUNNY 33 27 78 NW5 30.26S WCI 29 TC 1
LACON* SUNNY 34 25 71 CALM 30.25S TC 1
LINCOLN* SUNNY 36 25 64 W5 30.27F WCI 32 TC 2
SPRINGFIELD SUNNY 35 28 75 W6 30.28F WCI 30 TC 2
TAYLORVILLE SUNNY 34 28 80 W7 30.29F WCI 28 TC 1
ILZ033-039-045-046-055>057-062-063-121500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 34 29 82 W10 30.26R WCI 26 TC 1
DANVILLE* SUNNY 36 29 76 W8 30.26S WCI 29 TC 2
MATTOON SUNNY 35 29 78 W6 30.27R WCI 30 TC 2
PARIS* SUNNY 34 29 80 CALM 30.28R TC 1
ILZ079-100>102-121500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 37 28 70 W6 30.32S WCI 33 TC 3
BELLEVILLE SUNNY 37 31 79 CALM 30.32R TC 3
CAHOKIA* SUNNY 37 28 70 W5 30.33S WCI 33 TC 3
SPARTA* SUNNY 37 30 77 W6 30.35S WCI 32 TC 3
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 38 30 73 NW6 30.34R WCI 33 TC 3
CAIRO* SUNNY 40 32 71 N6 30.36R TC 5
EFFINGHAM* SUNNY 35 31 86 SW6 30.32R WCI 30 TC 2
MARION SUNNY 39 30 70 VRB6 30.34R WCI 35 TC 4
MT. VERNON SUNNY 34 33 96 W8 30.34R WCI 27 TC 1
CENTRALIA* SUNNY 37 31 78 W8 30.34R WCI 31 TC 3
SALEM* SUNNY 38 32 80 W6 30.33R WCI 33 TC 3
ILZ067-068-072-073-078-083-087-091-121500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 38 29 70 W8 30.30R WCI 32 TC 3
FLORA* SUNNY 37 30 75 NW8 30.32S WCI 31 TC 3
FAIRFIELD* SUNNY 37 29 73 NW5 30.32R WCI 33 TC 3
HARRISBURG* SUNNY 39 30 70 NW3 30.34R TC 4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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