409
ASUS43 KLOT 152211
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CST THU JAN 15 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.
ILZ001-002-007-009-015-016-024-152300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 27 6 41 SW12 29.86F WCI 17 TC -3
STERLING* MOCLDY 25 11 55 SW6 29.87F WCI 18 TC -4
SAVANNA* MOCLDY 26 6 43 SW9 29.85F WCI 16 TC -4
ILZ003-004-008-010-011-017-018-152300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 24 8 50 SW10 29.86S WCI 14 TC -4
FREEPORT* MOCLDY 25 8 49 SW13 29.84F WCI 13 TC -4
DE KALB* CLOUDY 23 11 61 MISG 29.84F TC -5
PERU* PTCLDY N/A N/A N/A S13 29.87F
ILZ005-006-012>014-019>023-152300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 24 8 50 SW12 29.84F WCI 13 TC -4
CHICAGO-MIDWAY MOCLDY 23 8 52 W10 29.87F WCI 12 TC -5
AURORA PTCLDY 24 10 55 SW9 29.85F WCI 14 TC -4
JOLIET* CLEAR 26 11 52 SW6 29.89F WCI 19 TC -3
WAUKEGAN MOCLDY 22 9 57 SW10 29.82F WCI 11 TC -6
DUPAGE AIRPORT PTCLDY 23 10 57 SW10 29.84F WCI 12 TC -5
KANKAKEE* CLEAR 23 10 57 W9 29.91F WCI 13 TC -5
WHEELING PTCLDY 24 9 52 W7 29.85F WCI 16 TC -4
MORRIS* CLEAR 25 10 52 SW10 29.88F WCI 14 TC -4
ROMEOVILLE* CLEAR 23 10 58 SW13G20 29.88F WCI 11 TC -5
LANSING* PTCLDY 22 9 56 SW10 29.89F WCI 11 TC -5
NORTHERLY ISL* N/A 24 8 50 SW10 N/A WCI 14 TC -4
LMZ740>746-152300-
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 24 270/ 12/ 13 N/A
NORTHERLY ISL 24 230/ 11/ 13 N/A
CALUMET HARBOR 23 220/ 9/ 13 1011.5S
BURNS HARBOR 24 250/ 7/ 8 1012.5F
MICHIGAN CITY 24 240/ 13/ 15 1012.5F
ILZ025>027-034>036-040-047-049-050-058-095>099-152300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 30 6 36 S12 29.89S WCI 20 TC -1
GALESBURG* PTCLDY 25 15 63 S12 N/A WCI 15 TC -4
MACOMB* PTCLDY 29 10 43 SW10 29.90F WCI 20 TC -1
JACKSONVILLE* PTCLDY 28 6 39 S10 29.91F WCI 19 TC -2
ILZ028>032-037-038-041>044-048-051>054-059>061-152300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 26 9 48 SW13 29.90F WCI 15 TC -3
BLOOMINGTON PTCLDY 26 11 52 SW13 29.89F WCI 15 TC -3
DECATUR CLEAR 25 7 46 SW12 29.94S WCI 14 TC -4
PEORIA PTCLDY 26 5 40 SW12 29.90F WCI 16 TC -3
LACON* PTCLDY 25 6 44 SW10 29.88F WCI 15 TC -4
LINCOLN* CLEAR 28 3 35 SW5 29.92F WCI 22 TC -2
SPRINGFIELD PTCLDY 27 5 39 S13 29.92F WCI 16 TC -3
TAYLORVILLE PTCLDY 27 8 44 SW10 29.94F WCI 17 TC -3
ILZ033-039-045-046-055>057-062-063-152300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 25 10 53 SW12 29.92F WCI 14 TC -4
DANVILLE* PTCLDY 26 11 54 SW10 29.93F WCI 16 TC -3
RANTOUL* PTCLDY 25 10 52 SW10 29.91F WCI 15 TC -4
MATTOON CLEAR 24 7 48 S7 29.94S WCI 16 TC -4
PARIS* N/A N/A N/A N/A MISG N/A
ILZ079-100>102-152300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 30 3 31 S9 29.95F WCI 22 TC -1
BELLEVILLE PTCLDY 32 4 30 S8 29.95F WCI 25 TC 0
CAHOKIA* MOCLDY 32 5 32 S7 29.96F WCI 26 TC 0
SPARTA* PTCLDY 31 4 31 SW5 29.99F WCI 26 TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 31 3 30 VRB7 30.01S WCI 24 TC -1
CAIRO* SUNNY 33 10 38 SW6 30.05R WCI 27 TC 1
EFFINGHAM* CLEAR 26 7 44 SW10 29.98F WCI 16 TC -3
MARION CLEAR 32 9 37 W9 30.01S WCI 24 TC 0
MT. VERNON CLEAR 28 10 46 SW9 30.00S WCI 19 TC -2
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 29 8 39 SW10 29.98S WCI 20 TC -1
ILZ067-068-072-073-078-083-087-091-152300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 27 5 39 SW10 29.99S WCI 17 TC -3
FLORA* CLEAR 27 7 43 W7 29.99S WCI 19 TC -3
FAIRFIELD* CLEAR 28 6 38 SW7 30.00S WCI 21 TC -2
HARRISBURG* CLEAR 30 4 32 CALM 30.02S TC -1
ROBINSON* CLEAR 27 9 46 SW9 29.98R WCI 17 TC -3
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