Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 012156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CST MON DEC 01 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-012300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT SNOW 24 22 91 E7 30.14F VSB 3/4 WCI 16
$$
ILZ003-004-008-010-011-017-018-012300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD NOT AVBL
$$
ILZ005-006-012>014-019>023-012300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT SNOW 27 24 89 SE9 30.18F FOG WCI 18
CHICAGO-MIDWAY NOT AVBL
AURORA SNOW 25 24 96 SE6 30.17F VSB 1/2 WCI 18
WAUKEGAN LGT SNOW 27 24 89 S3 30.18F FOG TC -3
DUPAGE AIRPORT LGT SNOW 26 24 92 S5 30.17F VSB 3/4 WCI 20
WHEELING LGT SNOW 28 26 92 SE6 30.20F VSB 1 WCI 22
ROMEOVILLE* SNOW 27 27 100 SE7 30.19F VSB 1/2 WCI 19
NORTHERLY ISL* N/A 27 23 85 SE5 N/A WCI 22 TC -3
$$
LMZ740>746-012300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 33 46 220/ 16/ 19 1023.1
HARRISON CRIB 29 200/ 13/ 16 N/A
NORTHERLY ISL 28 180/ 7 N/A
CALUMET HARBOR 140/ 5 1022.8
BURNS HARBOR 29 170/ 6/ 9 1023.7S
MICHIGAN CITY 30 150/ 9/ 11 1023.8F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-012300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT SNOW 23 21 92 S5 30.14F VSB 3/4 WCI 17
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-012300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR LGT SNOW 25 23 92 S5 30.17F FOG WCI 19
PEORIA NOT AVBL
SPRINGFIELD LGT SNOW 24 22 91 S5 30.17F VSB 3/4 WCI 18
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-012300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-012300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT SNOW 25 23 93 SE3 30.17F TC -4
BELLEVILLE LGT SNOW 27 25 93 CALM 30.17F FOG TC -3
CAHOKIA* LGT SNOW 27 25 93 CALM 30.17F FOG TC -3
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-012300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 31 24 75 N6 30.17F WCI 25 TC -1
MARION CLOUDY 30 25 80 N9 30.16F WCI 22 TC -1
$$
ILZ067-068-072-073-078-083-087-091-012300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$