001
ASUS43 KLOT 181310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 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.
ILZ001-002-007-009-015-016-024-181400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 46 45 96 S17G29 29.40F TC 8
STERLING* CLOUDY 44 44 100 S9G17 29.46F FOG TC 7
SAVANNA* CLOUDY 40 39 95 S14 29.42F FOG TC 5
ILZ003-004-008-010-011-017-018-181400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD FOG 40 40 100 S17G26 29.46F VSB 1/4 TC 4
FREEPORT* CLOUDY 40 38 89 S26 29.42F VSB 1/4 TC 5
DE KALB* DRZL/FOG 38 38 100 S18 29.51F VSB 1/2 WCI 28
PERU* CLOUDY 44 44 100 S15 29.52F FOG TC 7
ILZ005-006-012>014-019>023-181400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 45 44 97 S16G28 29.53S FOG TC 7
CHICAGO-MIDWAY LGT RAIN 46 44 93 S23G35 29.55F FOG TC 8
AURORA LGT RAIN 40 40 100 S16G25 29.53F VSB 1/4 TC 4
JOLIET* CLOUDY 46 46 99 S18 29.57F FOG TC 8
WAUKEGAN CLOUDY 43 43 100 S17 29.50F FOG TC 6
DUPAGE AIRPORT CLOUDY 42 42 100 S18G30 29.52F FOG TC 6
KANKAKEE* CLOUDY 46 43 89 S18G24 29.60S TC 8
WHEELING CLOUDY 45 44 97 S17G26 29.54F TC 7
MORRIS* CLOUDY 43 43 100 S16G23 29.55F FOG TC 6
ROMEOVILLE* DRIZZLE 45 45 100 S22G33 29.57F FOG TC 7
LANSING* CLOUDY 46 41 82 S21G30 29.58F TC 8
NORTHERLY ISL* N/A 46 43 89 S26 N/A TC 8
LMZ740>746-181400-
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 46 200/ 31/ 34 N/A
NORTHERLY ISL 45 180/ 16/ 22 N/A
CALUMET HARBOR 46 170/ 15/ 17 1001.2
BURNS HARBOR 46 180/ 11/ 16 1002.4F
MICHIGAN CITY 46 170/ 19/ 25 1001.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-181400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 54 51 90 S15G28 29.45F TC 12
GALESBURG* DRIZZLE N/A N/A N/A S10 29.47F
MACOMB* LGT RAIN 44 44 100 S13 29.49F TC 7
JACKSONVILLE* CLOUDY 51 51 99 S18G24 29.53S TC 11
ILZ028>032-037-038-041>044-048-051>054-059>061-181400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 44 43 97 S17 29.58S FOG TC 7
BLOOMINGTON CLOUDY 44 44 100 S22 29.57S FOG TC 7
DECATUR CLOUDY 49 47 93 S14G25 29.61F TC 9
PEORIA FOG 47 47 100 S16 29.52F VSB 3/4 TC 8
LACON* CLOUDY 48 46 93 S13 29.51F TC 9
LINCOLN* CLOUDY 48 46 93 S17 29.56F TC 9
SPRINGFIELD CLOUDY 51 50 96 S21G31 29.55F TC 11
TAYLORVILLE CLOUDY 51 48 92 S22G29 29.60F TC 10
ILZ033-039-045-046-055>057-062-063-181400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 43 42 97 S22G30 29.62F TC 6
DANVILLE* CLOUDY 48 43 81 S22G28 29.68F TC 9
RANTOUL* CLOUDY 40 38 96 SE15G21 29.61F TC 4
MATTOON CLOUDY 48 45 89 S15G22 29.67F TC 9
PARIS* RAIN 45 40 84 S23 29.70F TC 7
ILZ079-100>102-181400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 54 50 87 S16G23 29.61F TC 12
BELLEVILLE CLOUDY 53 51 92 S16 29.62F TC 12
CAHOKIA* CLOUDY 56 52 86 S15G25 29.59F TC 13
SPARTA* CLOUDY 51 51 99 S18G26 29.66F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 54 49 83 S17G29 29.71F TC 12
CAIRO* CLOUDY 53 49 87 S13 29.76F TC 12
EFFINGHAM* CLOUDY 49 48 95 SE14 29.70F TC 10
MARION CLOUDY 54 48 82 S14 29.73F TC 12
MT. VERNON CLOUDY N/A N/A N/A S14 29.72F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 55 48 80 S17G28 29.67F TC 13
METROPOLIS* CLOUDY 53 44 73 CALM 29.79F TC 12
ILZ067-068-072-073-078-083-087-091-181400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 48 40 73 S14 29.77F TC 9
FLORA* CLOUDY 52 46 82 S14 29.73F TC 11
FAIRFIELD* CLOUDY 54 45 70 S13 29.74F TC 12
HARRISBURG* DRIZZLE 53 46 76 S12 29.76F TC 12
ROBINSON* CLOUDY 50 41 71 S16 29.74F TC 10
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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