438
ASUS43 KLOT 181910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-182000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 41 37 86 W12 29.40S TC 5
STERLING* PTSUNNY 37 37 100 W12 29.38R WCI 29 TC 3
SAVANNA* CLOUDY 38 36 92 W6 29.36F WCI 33 TC 3
ILZ003-004-008-010-011-017-018-182000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 39 37 92 W15G26 29.35R WCI 31 TC 4
FREEPORT* CLOUDY 37 34 89 W15 29.36R WCI 28 TC 3
DE KALB* LGT RAIN 39 39 100 W17 29.34R WCI 30 TC 4
PERU* LGT RAIN 39 39 100 W15 29.39R WCI 31 TC 4
ILZ005-006-012>014-019>023-182000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 51 47 86 S26G46 29.27F TC 11
CHICAGO-MIDWAY CLOUDY 52 48 86 S26G43 29.30F TC 11
AURORA RAIN 41 39 93 W13 29.34R FOG TC 5
JOLIET* RAIN 52 51 95 S18G26 29.31F TC 11
WAUKEGAN CLOUDY 50 47 89 S22G31 29.24F TC 10
DUPAGE AIRPORT RAIN 50 48 93 S24G36 29.31R TC 10
KANKAKEE* CLOUDY 50 49 94 S28G37 29.37F TC 10
WHEELING LGT RAIN 51 48 89 S28G43 29.28F TC 11
MORRIS* HVY RAIN 49 49 99 W21G33 29.36R TC 10
LANSING* CLOUDY 51 45 79 S26G38 29.36S TC 11
NORTHERLY ISL* N/A 51 46 83 S21 N/A TC 11
LMZ740>746-182000-
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 50 190/ 34/ 36 N/A
NORTHERLY ISL 51 170/ 19/ 24 N/A
CALUMET HARBOR 51 160/ 14/ 26 993.0F
BURNS HARBOR 52 180/ 12/ 17 994.9F
MICHIGAN CITY 50 170/ 16/ 20 993.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-182000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 43 39 86 W9 29.50F TC 6
GALESBURG* PTSUNNY 40 40 100 W10 29.45R TC 4
MACOMB* PTSUNNY 41 39 93 W12 29.50R TC 5
JACKSONVILLE* CLOUDY 40 40 99 W13 29.51R TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-182000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC N/A 43 42 96 W22G33 29.40R TC 6
BLOOMINGTON LGT RAIN 43 43 100 W17 29.42R TC 6
DECATUR HVY RAIN 48 46 93 W15G32 29.46 FOG TC 9
PEORIA RAIN 40 38 93 NW12G18 29.45R TC 4
LACON* LGT RAIN 39 37 89 W10G22 29.42R WCI 33 TC 4
LINCOLN* LGT RAIN 42 40 93 W13G20 29.47R TC 6
SPRINGFIELD RAIN 42 40 92 W14 29.50R TC 6
TAYLORVILLE CLOUDY 46 44 93 W20G28 29.50R TC 8
ILZ033-039-045-046-055>057-062-063-182000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 51 50 96 S32G47 29.41F FOG TC 11
DANVILLE* CLOUDY 52 49 90 S30G41 29.44F TC 11
RANTOUL* LGT RAIN 49 48 97 S24G31 29.41F TC 10
MATTOON LGT RAIN 51 50 96 S18G41 29.45F TC 11
PARIS* LGT RAIN 51 50 97 S26G36 29.48F TC 11
ILZ079-100>102-182000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 46 43 87 NW9 29.55R TC 8
BELLEVILLE RAIN 50 48 93 NW17G23 29.53 FOG TC 10
CAHOKIA* RAIN 47 43 86 NW14G26 29.55R TC 8
SPARTA* LGT RAIN 55 55 100 S13G18 29.51F TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 56 55 97 SW15G26 29.54F FOG TC 13
CAIRO* CLOUDY 58 56 96 S16 29.58F TC 14
EFFINGHAM* CLOUDY 53 53 100 SE14G24 29.50F TC 12
MARION LGT RAIN 55 55 100 S16G28 29.55F TC 13
MT. VERNON CLOUDY N/A N/A N/A S20G25 29.52F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* DRIZZLE 56 53 91 S21G30 29.49F TC 13
METROPOLIS* HVY RAIN 58 55 89 CALM 29.61F TC 14
ILZ067-068-072-073-078-083-087-091-182000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 54 52 93 S21G33 29.55F TC 12
FLORA* CLOUDY 54 N/A N/A S20 29.52F TC 12
FAIRFIELD* LGT RAIN 54 53 95 S15G21 29.54F TC 12
HARRISBURG* RAIN 56 53 92 S13 29.57F TC 13
ROBINSON* DRIZZLE 54 54 100 S22G33 29.52F FOG TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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