398
ASUS43 KLOT 190001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM 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.
ILZ001-002-007-009-015-016-024-190100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 25 14 63 W20G37 29.58R WCI 11 TC -4
6HR MIN TEMP: 25; 6HR MAX TEMP: 44; 6HR PCP: TRACE;
STERLING* CLOUDY 29 22 75 W24G40 29.52R WCI 15 TC -2
SAVANNA* CLOUDY 27 17 64 W21G30 29.53R WCI 14 TC -3
ILZ003-004-008-010-011-017-018-190100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 28 20 71 W25G35 29.46R WCI 13 TC -2
6HR MIN TEMP: 28; 6HR MAX TEMP: 44; 6HR PCP: 0.11;
FREEPORT* CLOUDY 29 21 73 W22G32 29.49F WCI 15 TC -2
DE KALB* MOCLDY 29 29 100 W16G28 29.45R WCI 18 TC -1
PERU* CLOUDY 31 24 74 W20G31 29.52R WCI 19 TC -1
ILZ005-006-012>014-019>023-190100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 37 32 82 SW13G26 29.39F WCI 29 TC 3
6HR MIN TEMP: 37; 6HR MAX TEMP: 51; 6HR PCP: 0.15;
CHICAGO-MIDWAY CLOUDY 38 34 85 W12 29.41F WCI 30 TC 3
6HR MIN TEMP: 38; 6HR MAX TEMP: 53; 6HR PCP: 0.13;
AURORA MOCLDY 32 28 85 W21G33 29.44S WCI 20 TC 0
6HR MIN TEMP: 32; 6HR MAX TEMP: 48; 6HR PCP: 0.11;
JOLIET* CLOUDY 38 35 89 W18G25 29.47R WCI 29 TC 4
WAUKEGAN MOCLDY 37 34 89 SW18G26 29.36F WCI 27 TC 3
6HR MIN TEMP: 37; 6HR MAX TEMP: 51; 6HR PCP: 0.06;
DUPAGE AIRPORT MOCLDY 35 30 82 W17 29.42S WCI 25 TC 2
6HR MIN TEMP: 35; 6HR MAX TEMP: 50; 6HR PCP: 0.13;
KANKAKEE* PTCLDY 38 37 92 W9 29.48S WCI 32 TC 4
WHEELING MOCLDY 38 34 85 W13G22 29.40F WCI 30 TC 3
6HR MIN TEMP: 38; 6HR MAX TEMP: 51; 6HR PCP: 0.09;
MORRIS* CLOUDY 34 31 87 W21G29 29.46R WCI 22 TC 1
ROMEOVILLE* CLOUDY 37 36 93 W16G25 29.44F WCI 28 TC 3
LANSING* CLOUDY 37 32 83 W6 29.42R WCI 32 TC 3
NORTHERLY ISL* N/A 39 33 79 SW7 N/A WCI 34 TC 4
LMZ740>746-190100-
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 40 240/ 19/ 21 N/A
NORTHERLY ISL 39 240/ 5/ 11 N/A
CALUMET HARBOR 39 220/ 6/ 9 995.8
BURNS HARBOR 40 240/ 5/ 7 998.0R
MICHIGAN CITY 39 230/ 14/ 15 996.7R
ILZ025>027-034>036-040-047-049-050-058-095>099-190100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 31 23 72 NW25G36 29.64R WCI 17 TC -1
GALESBURG* CLOUDY 28 24 87 W28G36 29.60R WCI 12 TC -2
MACOMB* CLOUDY 30 23 75 NW26G33 29.63R WCI 16 TC -1
JACKSONVILLE* CLOUDY 32 32 99 NW13 29.60R WCI 23 TC 0
ILZ028>032-037-038-041>044-048-051>054-059>061-190100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 34 32 91 W23G33 29.51R WCI 22 TC 1
BLOOMINGTON LGT RAIN 38 38 100 W14G21 29.52R WCI 30 TC 3
DECATUR MOCLDY 40 39 97 SW10 29.53R TC 4
PEORIA CLOUDY 31 25 78 NW12G22 29.57R WCI 22 TC -1
6HR MIN TEMP: 31; 6HR MAX TEMP: 41; 6HR PCP: 0.12;
LACON* CLOUDY 31 24 75 W17G28 29.54R WCI 19 TC -1
LINCOLN* LGT RAIN 34 33 93 NW8G20 29.56R WCI 28 TC 1
SPRINGFIELD CLOUDY 35 32 88 NW15G32 29.58R WCI 25 TC 2
6HR MIN TEMP: 35; 6HR MAX TEMP: 44; 6HR PCP: 0.17;
TAYLORVILLE MOCLDY 41 38 91 SW10 29.53F TC 5
6HR MIN TEMP: 41; 6HR MAX TEMP: 54; 6HR PCP: 0.37;
ILZ033-039-045-046-055>057-062-063-190100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 39 38 96 SW10 29.53R WCI 32 TC 4
DANVILLE* CLOUDY 41 39 92 SW8 29.52R TC 5
RANTOUL* MOCLDY 39 37 95 SW9 29.51R WCI 32 TC 4
MATTOON CLOUDY 40 37 89 SW6 29.55R TC 4
PARIS* CLOUDY 39 38 97 W5 29.54R TC 4
ILZ079-100>102-190100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 39 37 93 S9 29.57F WCI 33 TC 4
BELLEVILLE CLEAR 40 39 95 S6 29.57F TC 5
CAHOKIA* PTCLDY 40 38 93 S6 29.57F TC 4
SPARTA* MOCLDY 42 41 97 SW5 29.62F TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 44 42 93 W6 29.63R TC 7
6HR MIN TEMP: 44; 6HR MAX TEMP: 57; 6HR PCP: 0.19;
CAIRO* CLOUDY 48 46 95 NW6 29.66R TC 9
EFFINGHAM* CLOUDY 40 39 99 CALM 29.57F TC 4
MARION MOCLDY 45 43 93 NW6 29.63R TC 7
MT. VERNON MOCLDY N/A N/A N/A W8 29.62R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* PTCLDY 43 40 88 W7 29.60S TC 6
METROPOLIS* LGT RAIN 48 47 97 CALM 29.62F TC 9
ILZ067-068-072-073-078-083-087-091-190100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 44 41 89 W13 29.58R TC 7
FAIRFIELD* CLOUDY 44 43 93 CALM 29.58F TC 7
HARRISBURG* CLOUDY 46 44 93 W10 29.63R TC 8
ROBINSON* CLOUDY 43 41 93 NW12 29.57R TC 6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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