388
ASUS43 KLOT 181456
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-181600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 49 48 97 S17G26 29.31F FOG TC 9
ILZ003-004-008-010-011-017-018-181600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRZL/FOG 41 41 100 S17G28 29.41F VSB 1/4 TC 5
ILZ005-006-012>014-019>023-181600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 48 46 93 S23G36 29.46F TC 9
CHICAGO-MIDWAY NOT AVBL
AURORA FOG 42 42 100 S20G29 29.45F VSB<1/4 TC 6
WAUKEGAN CLOUDY 47 45 93 S21G30 29.43F TC 8
DUPAGE AIRPORT CLOUDY 45 45 100 S26G39 29.45F FOG TC 7
WHEELING CLOUDY 48 47 96 S25G37 29.46F TC 9
ROMEOVILLE* CLOUDY 46 46 100 S26G33 29.50F TC 8
NORTHERLY ISL* N/A 48 44 86 S21 N/A TC 9
LMZ740>746-181600-
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 47 190/ 30/ 33 N/A
NORTHERLY ISL 47 190/ 21/ 26 N/A
CALUMET HARBOR 47 190/ 14/ 26 1000.0
BURNS HARBOR 47 180/ 9/ 12 1002.0F
MICHIGAN CITY 46 210/ 17/ 19 1001.3R
ILZ025>027-034>036-040-047-049-050-058-095>099-181600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR LGT RAIN 51 49 92 S13 29.59S FOG TC 11
PEORIA CLOUDY 49 49 100 S18 29.46F FOG TC 9
SPRINGFIELD CLOUDY 52 50 93 S25G44 29.50F TC 11
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 54 52 94 S16 29.57F FOG TC 12
BELLEVILLE LGT RAIN 54 52 94 S16G22 29.60 FOG TC 12
CAHOKIA* LGT RAIN 55 53 93 S8G21 29.57F FOG TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 54 51 90 S21G29 29.67F TC 12
MARION CLOUDY 54 50 87 S17G23 29.69F TC 12
ILZ067-068-072-073-078-083-087-091-181600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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