111
ASUS43 KLOT 151410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-151500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 12 2 64 S14G23 30.17F WCI -3 TC -11
STERLING* MOCLDY 9 2 73 VRB6 30.21F WCI -1 TC -13
SAVANNA* MOCLDY 10 2 70 S9 30.19F WCI -2 TC -12
ILZ003-004-008-010-011-017-018-151500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 9 0 67 S16G23 30.20F WCI -8 TC -13
FREEPORT* PTCLDY 11 2 68 SW13 30.19F WCI -4 TC -12
DE KALB* PTCLDY 7 1 75 S21 30.22F WCI -13 TC -14
PERU* PTCLDY 10 2 71 S13 30.25F WCI -6 TC -12
ILZ005-006-012>014-019>023-151500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 9 -3 58 S17G26 30.26F WCI -9 TC -13
CHICAGO-MIDWAY CLOUDY 8 -4 58 S18G30 30.29F WCI -11 TC -13
AURORA PTCLDY 8 1 73 S13 30.26F WCI -8 TC -13
JOLIET* PTCLDY 11 2 65 S15 30.31F WCI -5 TC -12
WAUKEGAN MOCLDY 10 -1 61 S18G25 30.21F WCI -8 TC -12
DUPAGE AIRPORT PTCLDY 7 -1 70 S15 30.25F WCI -10 TC -14
WHEELING MOCLDY 10 0 63 SW16 30.25F WCI -7 TC -12
MORRIS* PTCLDY 8 2 75 S13G20 30.30F WCI -8 TC -13
ROMEOVILLE* CLEAR 9 0 66 S12 30.31F WCI -6 TC -13
LANSING* PTCLDY 7 -6 54 S17G23 30.32F WCI -12 TC -14
NORTHERLY ISL* N/A 9 -1 64 S13 N/A WCI -6 TC -13
LMZ740>746-151500-
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 10 190/ 17/ 19 N/A
NORTHERLY ISL 8 190/ 16/ 18 N/A
CALUMET HARBOR 8 180/ 14/ 17 1025.6F
BURNS HARBOR 8 190/ 8/ 12 1027.4F
MICHIGAN CITY 6 180/ 12/ 18 1029.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-151500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 16 6 65 S22G35 30.25F WCI -2 TC -9
GALESBURG* CLEAR 11 8 85 S17G23 30.23F WCI -6 TC -12
MACOMB* CLEAR 11 4 71 S15 30.26F WCI -5 TC -11
JACKSONVILLE* CLEAR 12 3 66 S15G22 30.34F WCI -4 TC -11
ILZ028>032-037-038-041>044-048-051>054-059>061-151500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 10 2 69 S18 30.29F WCI -8 TC -12
BLOOMINGTON PTCLDY 8 3 80 S23 30.29F WCI -13 TC -13
DECATUR PTCLDY 6 0 76 S17 30.39F WCI -13 TC -14
PEORIA PTCLDY 7 1 76 S16 30.28F WCI -11 TC -14
LACON* PTCLDY 10 0 61 SW9G18 30.26F WCI -2 TC -12
LINCOLN* PTCLDY 8 -1 68 S14 30.36F WCI -9 TC -13
SPRINGFIELD PTCLDY 10 3 73 S18 30.36F WCI -8 TC -12
TAYLORVILLE PTCLDY 10 4 77 S17G25 30.40F WCI -8 TC -12
ILZ033-039-045-046-055>057-062-063-151500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 5 -1 76 S22 30.39F WCI -16 TC -15
DANVILLE* MOCLDY 5 -3 68 S13 30.42S WCI -11 TC -15
RANTOUL* MOCLDY 4 -2 75 S14 30.37F WCI -13 TC -15
MATTOON PTCLDY 3 -2 79 S10 30.43F WCI -12 TC -16
PARIS* PTCLDY 3 -4 73 S14 30.46F WCI -15 TC -16
ILZ079-100>102-151500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 14 3 62 S10 30.44F WCI 1 TC -10
BELLEVILLE CLEAR 14 6 72 S9 30.47F WCI 1 TC -10
CAHOKIA* CLEAR 13 4 67 S10 30.46F WCI 0 TC -11
SPARTA* CLEAR 13 4 67 S9 30.50F WCI 1 TC -10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 13 6 74 S7 30.51F WCI 3 TC -11
EFFINGHAM* CLEAR 9 2 75 S7 30.49F WCI -2 TC -13
MARION CLEAR 12 7 79 S9 30.51F WCI 0 TC -11
MT. VERNON CLEAR N/A N/A N/A S8 30.51F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 12 5 73 S6 30.49F WCI 3 TC -11
METROPOLIS* CLEAR 14 5 66 CALM 30.55S TC -10
ILZ067-068-072-073-078-083-087-091-151500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 7 1 76 S7 30.53F WCI -5 TC -14
FLORA* CLEAR 10 5 79 S10 30.51F WCI -3 TC -12
FAIRFIELD* CLEAR 11 5 77 S7 30.52F WCI 0 TC -12
HARRISBURG* CLEAR 13 5 69 CALM 30.55S TC -10
ROBINSON* PTCLDY 5 1 85 S9 30.50F WCI -9 TC -15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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