976
ASUS43 KLOT 152301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CST MON DEC 15 2025
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.
ILZ001-002-007-009-015-016-024-160000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 26 16 65 SW3 30.06S TC -3
STERLING* PTCLDY 23 15 71 SW5 30.09R WCI 17 TC -5
SAVANNA* PTCLDY 26 14 61 W5 30.07R WCI 20 TC -3
ILZ003-004-008-010-011-017-018-160000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 22 13 68 S6 30.06F WCI 14 TC -6
FREEPORT* MOCLDY 24 15 70 W6 30.08R WCI 17 TC -5
DE KALB* MOCLDY 22 13 70 CALM 30.07S TC -6
PERU* PTCLDY 24 12 62 S7 30.08S WCI 15 TC -5
ILZ005-006-012>014-019>023-160000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 21 10 62 SW5 30.07R WCI 15 TC -6
CHICAGO-MIDWAY CLOUDY 22 10 60 SW9 30.09R WCI 12 TC -6
AURORA MOCLDY 21 13 71 S5 30.07S WCI 15 TC -6
JOLIET* PTCLDY 23 13 65 SW5 30.11R WCI 17 TC -5
WAUKEGAN MOCLDY 19 10 68 SW9 30.05S WCI 8 TC -7
DUPAGE AIRPORT MOCLDY 21 12 68 SW5 30.07R WCI 15 TC -6
WHEELING MOCLDY 21 10 62 SW6 30.08S WCI 13 TC -6
MORRIS* PTCLDY 21 14 74 SW8 30.10S WCI 11 TC -6
ROMEOVILLE* MOCLDY 21 12 68 SW12 30.09R WCI 9 TC -6
LANSING* MOCLDY 20 8 59 SW9 30.11S WCI 10 TC -6
NORTHERLY ISL* N/A 22 10 60 W5 N/A WCI 16 TC -5
LMZ740>746-160000-
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 23 260/ 13/ 15 N/A
NORTHERLY ISL 22 190/ 3/ 11 N/A
CALUMET HARBOR 21 200/ 8/ 10 1018.5
BURNS HARBOR 20 210/ 7/ 9 1020.0R
MICHIGAN CITY 20 220/ 14/ 17 1020.1R
ILZ025>027-034>036-040-047-049-050-058-095>099-160000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 37 23 56 SW8 30.07R WCI 31 TC 3
GALESBURG* N/A N/A N/A N/A CALM 30.07F
MACOMB* PTCLDY 24 17 74 CALM 30.10R TC -4
JACKSONVILLE* PTCLDY 24 13 62 E3 30.10R TC -4
ILZ028>032-037-038-041>044-048-051>054-059>061-160000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 22 13 69 SW5 30.11S WCI 16 TC -6
BLOOMINGTON MOCLDY 20 14 77 S6 30.11R WCI 12 TC -7
DECATUR PTCLDY 23 14 68 S6 30.11F WCI 16 TC -5
PEORIA PTCLDY 23 14 68 S6 30.10R WCI 16 TC -5
LACON* PTCLDY 21 9 58 CALM 30.09S TC -6
LINCOLN* PTCLDY 23 12 62 CALM 30.12R TC -5
SPRINGFIELD PTCLDY 24 14 65 SE6 30.10S WCI 17 TC -4
TAYLORVILLE CLEAR 28 16 60 S3 30.12R TC -2
ILZ033-039-045-046-055>057-062-063-160000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 22 14 71 S5 30.13R WCI 16 TC -6
DANVILLE* MOCLDY 24 14 64 SW9 30.15R WCI 15 TC -4
RANTOUL* MOCLDY 23 14 69 SW5 30.13R WCI 17 TC -5
MATTOON CLEAR 28 12 51 S3 30.12R TC -2
PARIS* PTCLDY 21 11 64 SW7 30.15S WCI 12 TC -6
ILZ079-100>102-160000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 37 10 32 S3 30.11R TC 3
BELLEVILLE CLEAR 37 9 31 S6 30.11R WCI 32 TC 3
CAHOKIA* CLEAR 41 9 26 S3 30.11R TC 5
SPARTA* CLEAR 35 8 33 S10 30.14F WCI 27 TC 2
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 33 9 36 S16 30.18F WCI 23 TC 1
EFFINGHAM* CLEAR 32 10 40 CALM 30.16R TC 0
MARION CLEAR 34 7 32 S12 30.18F WCI 25 TC 1
MT. VERNON CLEAR N/A N/A N/A SW13 30.16R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 34 10 37 S9 30.14R WCI 27 TC 1
METROPOLIS* CLEAR 33 7 33 S7 30.24S WCI 27 TC 1
ILZ067-068-072-073-078-083-087-091-160000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 26 12 55 S10 30.16S WCI 16 TC -3
FLORA* CLEAR 30 12 47 S8 30.16R WCI 23 TC -1
FAIRFIELD* CLEAR 33 9 36 S7 30.16S WCI 27 TC 1
HARRISBURG* CLEAR 33 5 30 SW9 30.18F WCI 26 TC 1
ROBINSON* CLEAR 25 12 58 SE1 30.15S 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