Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 040156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CST WED DEC 03 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.
ILZ001-002-007-009-015-016-024-040300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 20 13 74 NW8 30.24R WCI 10 TC -7
$$
ILZ003-004-008-010-011-017-018-040300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 22 12 65 NW18 30.21R WCI 7 TC -6
$$
ILZ005-006-012>014-019>023-040300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 26 18 71 NW9 30.14R WCI 17 TC -3
CHICAGO-MIDWAY FRZ DRZL 28 22 78 NW13 30.14R FOG WCI 17
AURORA CLOUDY 25 20 81 N13 30.15R WCI 14 TC -4
WAUKEGAN CLOUDY 23 14 68 NW10 30.15R WCI 12 TC -5
DUPAGE AIRPORT CLOUDY 25 17 72 NW14 30.15R WCI 13 TC -4
WHEELING CLOUDY 26 18 71 NW13 30.16R WCI 15 TC -3
ROMEOVILLE* CLOUDY 27 23 86 NW12G22 30.16R WCI 16 TC -3
NORTHERLY ISL* N/A 28 22 78 NW12 N/A WCI 18 TC -2
$$
LMZ740>746-040300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 30 44 320/ 16/ 19 1020.3R
HARRISON CRIB 29 310/ 18/ 21 N/A
NORTHERLY ISL 29 290/ 8/ 17 N/A
CALUMET HARBOR 30 290/ 7 1019.5
BURNS HARBOR 31 260/ 7/ 8 1020.3R
MICHIGAN CITY 33 320/ 4/ 6 1019.2R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-040300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-040300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
DECATUR CLOUDY 31 27 85 SW6 30.16S WCI 25 TC -1
PEORIA NOT AVBL
SPRINGFIELD CLOUDY 33 31 92 NW14 30.18R WCI 23 TC 1
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-040300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 29 27 92 SW8 30.15R WCI 21 TC -2
MATTOON CLOUDY 29 26 89 S6 30.15S WCI 23 TC -2
$$
ILZ079-100>102-040300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 32 28 86 CALM 30.18R TC 0
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-040300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 32 27 81 SW6 30.20R WCI 26 TC 0
$$
ILZ067-068-072-073-078-083-087-091-040300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 30 27 88 SW5 30.19R WCI 25 TC -1
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$