Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 011956
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-012100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SNOW 24 21 88 CALM 30.22F VSB 1/2 TC -4
$$
ILZ003-004-008-010-011-017-018-012100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 24 21 88 S3 30.23F FOG TC -4
$$
ILZ005-006-012>014-019>023-012100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 30 20 66 SW8 30.23F WCI 22 TC -1
CHICAGO-MIDWAY NOT AVBL
AURORA LGT SNOW 26 21 81 S3 30.22F VSB 1 TC -3
WAUKEGAN CLOUDY 29 19 66 SW7 30.23F WCI 22 TC -2
DUPAGE AIRPORT LGT SNOW 27 21 78 S7 30.22F WCI 19 TC -3
WHEELING CLOUDY 30 20 66 SW8 30.25F WCI 22 TC -1
NORTHERLY ISL* N/A 30 20 66 S8 N/A WCI 23 TC -1
$$
LMZ740>746-012100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 35 46 210/ 17/ 21 1024.3F
HARRISON CRIB 31 190/ 11/ 12 N/A
NORTHERLY ISL 30 180/ 7/ 9 N/A
CALUMET HARBOR 160/ 7/ 9 N/A
BURNS HARBOR 30 170/ 5/ 7 1024.7F
MICHIGAN CITY 30 150/ 10/ 12 1025.2F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-012100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT SNOW 23 21 92 S5 30.20F VSB 1 WCI 17
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-012100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON LGT SNOW 27 23 86 S8 30.22F FOG WCI 18
DECATUR SNOW 25 21 86 S7 30.23F VSB 1/2 WCI 17
PEORIA NOT AVBL
SPRINGFIELD LGT SNOW 25 21 85 S7 30.22F FOG WCI 17
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-012100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MATTOON CLOUDY 26 22 84 SE6 30.23S WCI 19 TC -3
$$
ILZ079-100>102-012100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT SNOW 25 23 93 CALM 30.23F TC -4
BELLEVILLE LGT SNOW 28 23 80 CALM 30.21 TC -2
CAHOKIA* LGT SNOW 26 23 88 CALM 30.23F FOG TC -3
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-012100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 31 23 72 N8 30.20F WCI 23 TC -1
MARION CLOUDY 32 25 74 N7 30.21F WCI 26 TC 0
MT. VERNON LGT SNOW N/A N/A N/A NE7 30.22F
$$
ILZ067-068-072-073-078-083-087-091-012100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$