977
ASUS43 KLOT 152212
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-152300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 28 15 58 W6 30.06R WCI 22 TC -2
STERLING* PTCLDY 23 15 71 SW6 30.08R WCI 16 TC -5
SAVANNA* PTCLDY 26 14 60 CALM 30.06R TC -3
ILZ003-004-008-010-011-017-018-152300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 22 12 65 SW7 30.07R WCI 13 TC -6
FREEPORT* MOCLDY 23 14 68 SW5 30.06R WCI 17 TC -5
DE KALB* MOCLDY 22 12 66 CALM 30.06R TC -6
PERU* PTCLDY 25 13 59 SW5 30.08R WCI 19 TC -4
ILZ005-006-012>014-019>023-152300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 21 9 59 SW9 30.05F WCI 11 TC -6
CHICAGO-MIDWAY CLOUDY 22 9 57 SW12 30.08R WCI 10 TC -6
AURORA MOCLDY 22 13 68 SW7 30.07R WCI 13 TC -6
JOLIET* PTCLDY 23 12 63 SW7 30.10R WCI 15 TC -5
WAUKEGAN MOCLDY 20 9 62 W8 30.05R WCI 10 TC -7
DUPAGE AIRPORT MOCLDY 21 12 68 SW9 30.06R WCI 11 TC -6
WHEELING MOCLDY 21 9 59 W6 30.08R WCI 13 TC -6
MORRIS* PTCLDY 22 14 71 SW12 30.08R WCI 11 TC -5
ROMEOVILLE* CLEAR 21 10 63 SW10G20 30.08S WCI 10 TC -6
LANSING* MOCLDY 20 8 58 SW10 30.10R WCI 9 TC -7
NORTHERLY ISL* N/A 21 9 59 S8 N/A WCI 12 TC -6
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 22 240/ 15/ 21 N/A
NORTHERLY ISL 22 230/ 4/ 11 N/A
CALUMET HARBOR 20 190/ 8/ 13 1018.1
BURNS HARBOR 20 220/ 7/ 12 1019.3S
MICHIGAN CITY 19 210/ 12/ 15 1019.7R
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 CLEAR 40 23 50 W7 30.06R TC 4
GALESBURG* PTCLDY 28 22 76 CALM 30.08R TC -2
MACOMB* PTCLDY 30 18 60 SW6 30.08F WCI 24 TC -1
JACKSONVILLE* PTCLDY 33 14 45 CALM 30.08S TC 1
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 22 13 67 SW6 30.11R WCI 14 TC -6
BLOOMINGTON MOCLDY 24 15 68 SW9 30.09F WCI 14 TC -4
DECATUR PTCLDY 26 15 63 SW8 30.12R WCI 18 TC -3
PEORIA PTCLDY 24 14 65 S5 30.09R WCI 18 TC -4
LACON* PTCLDY 21 9 58 SW5 30.09R WCI 15 TC -6
LINCOLN* PTCLDY 26 12 56 S5 30.11S WCI 20 TC -3
SPRINGFIELD PTCLDY 29 14 53 S6 30.10R WCI 23 TC -2
TAYLORVILLE CLEAR 30 15 53 S10 30.11R WCI 21 TC -1
ILZ033-039-045-046-055>057-062-063-152300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 26 15 63 SW7 30.12R WCI 18 TC -3
DANVILLE* MOCLDY 24 13 62 SW12 30.13R WCI 13 TC -4
RANTOUL* MOCLDY 24 14 66 SW9 30.11S WCI 14 TC -5
MATTOON CLEAR 29 12 49 S9 30.11R WCI 20 TC -2
PARIS* PTCLDY 26 12 55 SW9 30.14R WCI 16 TC -3
ILZ079-100>102-152300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 41 10 28 S13 30.09F TC 5
BELLEVILLE CLEAR 41 8 25 S10 30.10F TC 5
CAHOKIA* CLEAR 43 8 23 S7 30.10F TC 6
SPARTA* CLEAR 38 8 28 S9 30.16S WCI 31 TC 3
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 CLEAR 35 8 32 S16 30.19F WCI 25 TC 2
EFFINGHAM* CLEAR 33 11 39 S7 30.15R WCI 27 TC 1
MARION CLEAR 36 7 30 S16 30.19F WCI 26 TC 2
MT. VERNON CLEAR N/A N/A N/A S13 30.15F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 37 10 33 SW13 30.13S WCI 28 TC 3
METROPOLIS* CLEAR 36 6 28 S8 30.24F WCI 30 TC 2
ILZ067-068-072-073-078-083-087-091-152300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 29 13 51 S14 30.16F WCI 18 TC -2
FLORA* CLEAR 36 10 35 S14 30.16R WCI 27 TC 2
FAIRFIELD* CLEAR 35 8 32 S12 30.17F WCI 27 TC 2
HARRISBURG* CLEAR 36 1 23 SW12 30.20S WCI 28 TC 2
ROBINSON* CLEAR 28 12 50 S12 30.14F WCI 18 TC -2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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