565
ASUS43 KLOT 121206
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-121300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 27 24 89 W6 30.24R WCI 20 TC -3
6HR MIN TEMP: 27; 6HR MAX TEMP: 34;
STERLING* CLEAR 27 25 92 W10 30.23R WCI 17 TC -3
SAVANNA* CLEAR 31 24 77 W6 30.22R WCI 25 TC -1
ILZ003-004-008-010-011-017-018-121300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 29 23 78 W9 30.19R WCI 20 TC -2
6HR MIN TEMP: 28; 6HR MAX TEMP: 32;
FREEPORT* CLEAR 29 24 80 W9 30.20R WCI 21 TC -1
ROCHELLE* CLEAR 28 24 82 W10 30.20R WCI 19 TC -2
PERU* CLEAR 31 26 80 W8 30.22R WCI 24 TC 0
ILZ005-006-012>014-019>023-121300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 30 23 75 SW8 30.16R WCI 22 TC -1
6HR MIN TEMP: 30; 6HR MAX TEMP: 33;
CHICAGO-MIDWAY PTCLDY 30 24 78 W9 30.17R WCI 22 TC -1
6HR MIN TEMP: 30; 6HR MAX TEMP: 33;
AURORA CLEAR 27 25 92 W9 30.18R WCI 18 TC -3
6HR MIN TEMP: 26; 6HR MAX TEMP: 31;
JOLIET* CLEAR 31 28 86 W5 30.20S WCI 27 TC 0
WAUKEGAN CLEAR 29 23 78 W7 30.14R WCI 22 TC -2
6HR MIN TEMP: 26; 6HR MAX TEMP: 31;
DUPAGE AIRPORT CLEAR 27 24 89 SW7 30.16R WCI 19 TC -3
6HR MIN TEMP: 26; 6HR MAX TEMP: 32;
KANKAKEE* CLEAR 31 25 78 W9 30.21R WCI 23 TC 0
WHEELING PTCLDY 29 23 78 VRB5 30.17R WCI 24 TC -2
6HR MIN TEMP: 28; 6HR MAX TEMP: 32;
MORRIS* CLEAR 30 26 84 W9 30.19S WCI 21 TC -1
ROMEOVILLE* CLEAR 28 28 100 SW7 30.20R WCI 21 TC -2
LANSING* PTCLDY 29 24 82 W8 30.19R WCI 21 TC -2
NORTHERLY ISL* N/A 32 24 73 W6 N/A WCI 26 TC 0
LMZ740>746-121300-
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 33 260/ 16/ 18 N/A
NORTHERLY ISL 32 280/ 8/ 10 N/A
CALUMET HARBOR 31 220/ 5/ 8 1021.1
BURNS HARBOR 35 260/ 9/ 10 1022.0R
MICHIGAN CITY 35 260/ 18/ 19 1021.2R
ILZ025>027-034>036-040-047-049-050-058-095>099-121300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 29 25 85 W5 30.29R WCI 24 TC -2
GALESBURG* CLEAR 28 28 100 W7 30.27R WCI 20 TC -2
MACOMB* CLEAR 29 27 92 W9 30.30R WCI 20 TC -2
JACKSONVILLE* CLEAR 30 25 80 SW7 30.30R WCI 23 TC -1
PITTSFIELD* CLEAR 33 26 76 W7 30.31R WCI 27 TC 1
ILZ028>032-037-038-041>044-048-051>054-059>061-121300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 29 25 85 W9 30.23R WCI 21 TC -1
BLOOMINGTON CLEAR 30 26 85 W10 30.24R WCI 21 TC -1
DECATUR CLEAR 31 26 82 W6 30.25S WCI 25 TC -1
PEORIA CLEAR 29 24 82 W7 30.26R WCI 22 TC -2
6HR MIN TEMP: 27; 6HR MAX TEMP: 34;
LACON* CLEAR 29 22 77 CALM 30.24R TC -2
LINCOLN* CLEAR 32 24 72 W3 30.27R TC 0
SPRINGFIELD CLEAR 30 28 92 W6 30.28R WCI 24 TC -1
6HR MIN TEMP: 30; 6HR MAX TEMP: 34; 6HR PCP: TRACE;
TAYLORVILLE CLEAR 30 28 93 W6 30.28R WCI 24 TC -1
ILZ033-039-045-046-055>057-062-063-121300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 28 26 92 W8 30.23S WCI 20 TC -2
DANVILLE* CLEAR 29 26 88 W6 30.23S WCI 23 TC -2
RANTOUL* CLEAR 29 26 86 W6 30.22S WCI 23 TC -2
MATTOON CLEAR 31 27 85 SW5 30.25S WCI 26 TC -1
PARIS* CLEAR 31 28 89 CALM 30.25S TC -1
ILZ079-100>102-121300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 30 27 86 W6 30.31S WCI 24 TC -1
BELLEVILLE CLEAR 32 28 87 CALM 30.30S TC 0
CAHOKIA* CLEAR 33 26 75 SW5 30.32R WCI 29 TC 1
SPARTA* CLEAR 32 30 92 CALM 30.33S TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 34 31 88 CALM 30.32S TC 1
6HR MIN TEMP: 33; 6HR MAX TEMP: 40;
CAIRO* CLEAR 37 30 77 CALM 30.33S TC 3
EFFINGHAM* CLEAR 29 29 100 CALM 30.30S TC -1
MARION CLEAR 34 30 86 VRB6 30.32S WCI 29 TC 1
MT. VERNON CLEAR 28 26 92 CALM 30.32R TC -2
CENTRALIA* CLEAR 32 30 92 W6 30.31S WCI 26 TC 0
SALEM* CLEAR 33 30 91 W3 30.30S TC 0
ILZ067-068-072-073-078-083-087-091-121300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 33 28 81 NW9 30.28R WCI 25 TC 1
FLORA* CLEAR 32 28 86 SW5 30.31S WCI 27 TC 0
FAIRFIELD* CLEAR 33 29 85 CALM 30.31S TC 1
HARRISBURG* CLEAR 32 27 83 W5 30.33R WCI 27 TC 0
ROBINSON* CLEAR 34 30 86 W10 30.27S WCI 26 TC 1
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