076
ASUS43 KLOT 180701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CST THU DEC 18 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.
ILZ001-002-007-009-015-016-024-180800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 43 36 76 S10G22 29.56F TC 6
STERLING* MOCLDY 37 34 89 SE8 29.62F WCI 31 TC 3
SAVANNA* CLOUDY 37 32 84 S12 29.59F WCI 29 TC 3
ILZ003-004-008-010-011-017-018-180800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 36 32 85 SE10 29.65F WCI 28 TC 2
FREEPORT* CLOUDY 38 34 86 S17G23 29.62F WCI 28 TC 3
DE KALB* CLOUDY 36 33 88 S16 29.67F WCI 26 TC 2
ILZ005-006-012>014-019>023-180800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 43 33 68 S12G21 29.70F TC 6
CHICAGO-MIDWAY CLOUDY 43 33 68 S14 29.73F TC 6
AURORA CLOUDY 38 33 82 S14 29.68F WCI 30 TC 3
JOLIET* CLOUDY 45 36 70 S13G21 29.71F TC 7
WAUKEGAN CLOUDY 37 32 82 S10 29.68F WCI 30 TC 3
DUPAGE AIRPORT CLOUDY 37 33 85 S12 29.68F WCI 29 TC 3
WHEELING CLOUDY 39 33 79 S13 29.71F WCI 31 TC 4
MORRIS* CLOUDY 39 35 85 S12 29.70F WCI 32 TC 4
LANSING* CLOUDY 40 30 66 S12 29.76F TC 4
NORTHERLY ISL* N/A 42 32 67 S7 N/A TC 6
LMZ740>746-180800-
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 41 180/ 18/ 19 N/A
NORTHERLY ISL 41 180/ 4/ 12 N/A
CALUMET HARBOR 42 170/ 7/ 11 1007.6
BURNS HARBOR 42 170/ 9/ 13 1009.1F
MICHIGAN CITY 43 170/ 11/ 14 1008.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-180800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 50 42 74 S16G29 29.60F TC 10
MACOMB* CLOUDY 40 37 86 S16 29.63F TC 5
JACKSONVILLE* MOCLDY 47 43 84 S18G28 29.67F TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-180800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 41 34 76 S18 29.71F TC 5
BLOOMINGTON CLOUDY 40 37 89 S23 29.71F TC 4
DECATUR CLOUDY 44 41 89 S17G30 29.75F TC 7
PEORIA PTCLDY 42 37 82 S18 29.65F TC 6
LACON* MOCLDY 43 36 76 S13G22 29.65F TC 6
LINCOLN* CLOUDY 43 39 85 S14 29.71F TC 6
SPRINGFIELD CLOUDY 46 44 93 S22G30 29.69F TC 8
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-180800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 41 36 82 S17 29.78F TC 5
DANVILLE* CLOUDY 47 37 68 S21 29.80F TC 8
RANTOUL* CLOUDY 37 33 84 S7 29.78F WCI 32 TC 3
MATTOON CLOUDY 47 42 83 S14G29 29.79F TC 8
PARIS* CLOUDY 40 33 76 S15 29.82F TC 5
ILZ079-100>102-180800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLOUDY 51 49 93 S16 29.76F TC 11
SPARTA* CLOUDY 51 50 97 S17G25 29.82F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 51 48 89 S14 29.86F TC 11
CAIRO* CLOUDY 54 47 78 S10 29.89F TC 12
EFFINGHAM* DRIZZLE 50 49 98 SE9 29.83F TC 10
MT. VERNON CLOUDY N/A N/A N/A S15 29.85F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 52 49 88 S15 29.83F TC 11
METROPOLIS* CLOUDY 54 43 68 CALM 29.91S TC 12
ILZ067-068-072-073-078-083-087-091-180800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 49 40 71 S14 29.87F TC 9
FLORA* MOCLDY 50 48 93 S13 29.85F TC 10
FAIRFIELD* CLOUDY 51 46 81 S9 29.87F TC 11
HARRISBURG* CLOUDY 52 45 75 S12 29.89F TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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