254
ASUS43 KLOT 180301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CST WED DEC 17 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.
ILZ001-002-007-009-015-016-024-180400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 37 31 78 SE15 29.74F WCI 28 TC 3
STERLING* PTCLDY 33 32 96 SE7 29.79F WCI 27 TC 1
SAVANNA* MOCLDY 32 29 87 S8 29.78S WCI 25 TC 0
ILZ003-004-008-010-011-017-018-180400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 31 29 92 SE8 29.81F WCI 23 TC -1
FREEPORT* PTCLDY 31 29 90 CALM 29.80S TC 0
DE KALB* CLEAR 30 30 99 SE13 29.82F WCI 20 TC -1
PERU* CLEAR 34 31 88 SE14 29.81F WCI 25 TC 1
ILZ005-006-012>014-019>023-180400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 34 30 85 S10 29.84F WCI 26 TC 1
CHICAGO-MIDWAY PTCLDY 36 31 82 S7 29.86F WCI 30 TC 2
AURORA CLEAR 31 30 96 SE9 29.82F FOG WCI 23
JOLIET* CLEAR 35 32 89 SE7 29.86F WCI 29 TC 2
WAUKEGAN CLEAR 34 30 85 S9 29.83F WCI 27 TC 1
DUPAGE AIRPORT CLEAR 33 30 88 S13 29.83F WCI 24 TC 1
KANKAKEE* CLEAR 30 29 95 SE9 29.89F WCI 22 TC -1
WHEELING CLEAR 34 31 88 S12 29.85F WCI 25 TC 1
MORRIS* CLEAR 34 32 92 S10 29.84F WCI 26 TC 1
ROMEOVILLE* CLEAR 34 32 93 S13 29.86F WCI 25 TC 1
LANSING* CLEAR 33 28 80 S6 29.89F WCI 28 TC 1
NORTHERLY ISL* N/A 35 30 82 S5 N/A WCI 31 TC 2
LMZ740>746-180400-
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 36 170/ 18/ 19 N/A
NORTHERLY ISL 35 170/ 5/ 9 N/A
CALUMET HARBOR 36 160/ 9/ 12 1011.6
BURNS HARBOR 38 170/ 7/ 12 1012.5F
MICHIGAN CITY 38 160/ 13/ 16 1012.1F
ILZ025>027-034>036-040-047-049-050-058-095>099-180400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 44 35 70 S9 29.74F TC 7
GALESBURG* PTCLDY 37 35 95 SE9 29.76F WCI 30 TC 3
MACOMB* PTCLDY 35 32 90 SE8 29.79F WCI 28 TC 2
JACKSONVILLE* CLEAR 44 35 71 S13G21 29.79F TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-180400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 32 29 91 SE12 29.84F WCI 23 TC 0
BLOOMINGTON CLEAR 37 32 82 SE21 29.82F WCI 26 TC 3
DECATUR CLEAR 42 34 73 S16 29.85F TC 6
PEORIA CLEAR 38 32 79 S10 29.80F WCI 31 TC 3
LACON* CLEAR 32 29 86 S6 29.80F WCI 27 TC 0
LINCOLN* CLEAR 37 31 79 S12 29.82F WCI 29 TC 3
SPRINGFIELD CLEAR 43 34 70 S16 29.81F TC 6
TAYLORVILLE PTCLDY 41 35 78 SE12 29.84F TC 5
ILZ033-039-045-046-055>057-062-063-180400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 31 29 92 SE10 29.88F WCI 22 TC -1
DANVILLE* CLEAR 36 31 82 SE7 29.92F WCI 31 TC 2
RANTOUL* CLEAR 32 28 86 SE10 29.88F WCI 24 TC 0
MATTOON PTCLDY 43 34 70 SE13 29.89F TC 6
PARIS* CLEAR 37 31 79 SE9 29.92F WCI 30 TC 3
ILZ079-100>102-180400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 50 37 62 S15 29.85F TC 10
BELLEVILLE CLOUDY 52 41 66 S16 29.85F TC 11
CAHOKIA* CLOUDY 51 39 63 S13G21 29.85F TC 11
SPARTA* CLOUDY 49 46 88 S7 29.91F TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 50 46 86 S13 29.94F TC 10
CAIRO* CLOUDY 51 50 97 S7 29.98F TC 10
EFFINGHAM* CLOUDY 47 37 68 SE12 29.93F TC 8
MARION CLOUDY 51 43 75 S10 29.96F TC 11
MT. VERNON CLOUDY N/A N/A N/A S13 29.93F
SALEM* CLOUDY 54 38 55 S12 29.91F TC 12
METROPOLIS* CLOUDY 50 49 97 CALM 29.99F FOG TC 10
ILZ067-068-072-073-078-083-087-091-180400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 44 36 73 S14 29.96F TC 7
FLORA* CLOUDY 45 37 76 SE7 29.94F TC 7
FAIRFIELD* CLOUDY 52 36 54 S9 29.95F TC 11
HARRISBURG* CLOUDY 53 44 71 S8 29.96F TC 12
ROBINSON* MOCLDY 45 37 76 S8 29.94F TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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