Regional Weather Roundup
Issued by NWS
Issued by NWS
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984
ASUS43 KLOT 112156
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CST THU DEC 11 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.
ILZ001-002-007-009-015-016-024-112300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT SNOW 25 20 81 SE3 29.96F TC -4
$$
ILZ003-004-008-010-011-017-018-112300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 24 16 71 CALM 29.99S TC -4
$$
ILZ005-006-012>014-019>023-112300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 26 15 63 W5 29.97F WCI 20 TC -3
CHICAGO-MIDWAY NOT AVBL
AURORA CLOUDY 24 17 74 CALM 29.97F TC -4
WAUKEGAN CLOUDY 24 13 62 W3 29.97F TC -4
DUPAGE AIRPORT CLOUDY 25 17 72 CALM 29.97S TC -4
WHEELING CLOUDY 25 15 66 W6 29.99F WCI 18 TC -4
ROMEOVILLE* CLOUDY 27 19 74 W6 29.98F WCI 20 TC -3
NORTHERLY ISL* N/A 27 16 63 W6 N/A WCI 21 TC -3
$$
LMZ740>746-112300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 27 320/ 3/ 4 N/A
NORTHERLY ISL 27 310/ 5/ 8 N/A
CALUMET HARBOR 200/ 2/ 5 1015.2
BURNS HARBOR 28 250/ 3/ 4 1015.9S
MICHIGAN CITY 27 250/ 6/ 8 1016.0R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-112300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT SNOW 27 23 85 E13 29.91F FOG WCI 16
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-112300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD LGT SNOW 28 22 78 E5 29.97F WCI 23 TC -2
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-112300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ILZ079-100>102-112300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 32 25 74 E10 29.97S WCI 24 TC 0
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-112300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 39 27 62 S5 29.96F TC 4
MARION CLOUDY 37 27 65 S6 29.99S WCI 33 TC 3
$$
ILZ067-068-072-073-078-083-087-091-112300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$