133
ASUS43 KLOT 180510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-180600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 39 33 79 SE13 29.66F WCI 31 TC 4
STERLING* MOCLDY 35 33 92 SE7 29.73F WCI 29 TC 2
SAVANNA* MOCLDY 34 31 88 SE9 29.69F WCI 27 TC 1
ILZ003-004-008-010-011-017-018-180600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 33 30 88 SE10 29.76F WCI 25 TC 1
FREEPORT* MOCLDY 37 33 87 S14 29.73F WCI 28 TC 3
DE KALB* CLOUDY 34 32 92 S9 29.79S WCI 26 TC 1
PERU* CLOUDY 36 32 84 S12 29.77S WCI 28 TC 2
ILZ005-006-012>014-019>023-180600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 34 30 85 S7 29.79F WCI 28 TC 1
CHICAGO-MIDWAY CLOUDY 38 32 79 S6 29.81F WCI 33 TC 3
AURORA CLOUDY 32 30 92 SE7 29.78F FOG WCI 26
JOLIET* MOCLDY 38 33 81 S6 29.81F WCI 34 TC 4
WAUKEGAN MOCLDY 35 31 85 S10 29.78F WCI 27 TC 2
DUPAGE AIRPORT CLOUDY 35 31 85 S13 29.78F WCI 26 TC 2
KANKAKEE* MOCLDY 32 30 92 SE9 29.84F WCI 24 TC 0
WHEELING MOCLDY 35 31 85 S8 29.81F WCI 29 TC 2
MORRIS* CLOUDY 37 33 86 SE9 29.78F WCI 30 TC 3
ROMEOVILLE* MOCLDY 36 32 87 S12 29.81F WCI 27 TC 2
LANSING* MOCLDY 38 29 71 S10 29.83F WCI 30 TC 3
NORTHERLY ISL* N/A 38 31 76 S8 N/A WCI 32 TC 3
LMZ740>746-180600-
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/ 13/ 13 N/A
NORTHERLY ISL 37 190/ 8/ 8 N/A
CALUMET HARBOR 38 160/ 10/ 11 1009.7S
BURNS HARBOR 41 170/ 8/ 13 1011.5F
MICHIGAN CITY 41 170/ 14/ 18 1010.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-180600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 49 40 71 S14 29.68F TC 9
GALESBURG* MOCLDY 38 37 94 S12G17 29.70F WCI 31 TC 4
MACOMB* MOCLDY 38 34 87 S10 29.72F WCI 31 TC 3
JACKSONVILLE* MOCLDY 46 37 72 S13G18 29.75F TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-180600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 37 32 81 S15 29.79F WCI 28 TC 3
BLOOMINGTON CLOUDY 39 34 82 S18 29.79F WCI 30 TC 4
DECATUR CLOUDY 43 36 76 S16 29.80F TC 6
PEORIA MOCLDY 41 34 76 S16G25 29.75F TC 5
LACON* CLOUDY 42 33 72 S10 29.75F TC 6
LINCOLN* CLOUDY 42 33 70 S8 29.78F TC 5
SPRINGFIELD CLOUDY 42 37 82 S13 29.77F TC 6
TAYLORVILLE CLOUDY 46 41 81 S17 29.80S TC 8
ILZ033-039-045-046-055>057-062-063-180600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 40 33 76 S16 29.84S TC 4
DANVILLE* CLOUDY 40 33 77 S8 29.87S TC 4
RANTOUL* CLOUDY 37 32 82 SE9 29.83F WCI 30 TC 3
MATTOON CLOUDY 46 37 71 S13 29.84F TC 8
PARIS* CLOUDY 38 32 79 SE9 29.88R WCI 31 TC 3
ILZ079-100>102-180600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 50 45 80 S18 29.81S TC 10
BELLEVILLE CLOUDY 51 48 90 S17 29.82S TC 11
CAHOKIA* CLOUDY 50 45 83 S9G20 29.82S TC 10
SPARTA* CLOUDY 50 50 100 S13G21 29.87S TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 50 48 93 S12G22 29.89F FOG TC 10
CAIRO* CLOUDY 52 48 86 S10 29.92F TC 11
EFFINGHAM* CLOUDY 50 40 68 SE10 29.88S TC 10
MARION CLOUDY 51 48 89 S12 29.91F TC 11
MT. VERNON CLOUDY N/A N/A N/A S15 29.89F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 52 46 77 S10G18 29.87S TC 11
METROPOLIS* CLOUDY 52 46 80 CALM 29.94F TC 11
ILZ067-068-072-073-078-083-087-091-180600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 48 38 68 S15 29.91F TC 9
FLORA* CLOUDY 52 41 66 S15 29.89F TC 11
FAIRFIELD* CLOUDY 51 42 70 S12 29.90F TC 11
HARRISBURG* CLOUDY 51 47 87 S10 29.92F TC 10
ROBINSON* CLOUDY 48 39 71 S10 29.89F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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