Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 110901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM 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.
ILZ001-002-007-009-015-016-024-111000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 23 18 81 NW12 30.03S WCI 12 TC -5
STERLING* CLOUDY 25 21 85 NW6 30.03R WCI 18 TC -4
$$
ILZ003-004-008-010-011-017-018-111000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 25 16 68 NW8 30.01R WCI 16 TC -4
FREEPORT* CLOUDY 26 20 78 NW7 30.01S WCI 18 TC -4
DE KALB* CLOUDY 24 17 72 NW7G16 29.99S WCI 16 TC -4
$$
ILZ005-006-012>014-019>023-111000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 26 14 60 NW10 29.98R WCI 16 TC -3
CHICAGO-MIDWAY FLURRIES 27 15 61 NW12 29.99R WCI 17 TC -3
AURORA CLOUDY 25 18 74 NW9 29.99R WCI 15 TC -4
JOLIET* CLOUDY 30 24 78 NW3 30.01R TC -1
WAUKEGAN CLOUDY 22 12 65 N8 29.97R WCI 12 TC -6
DUPAGE AIRPORT CLOUDY 26 18 71 NW7 29.98R WCI 18 TC -3
WHEELING CLOUDY 25 15 66 NW8 30.00R WCI 16 TC -4
MORRIS* CLOUDY 27 24 89 NW13 30.00R WCI 16 TC -3
LANSING* CLOUDY 27 14 57 NW6 29.99R WCI 21 TC -3
NORTHERLY ISL* N/A 27 14 58 NW14 N/A WCI 16 TC -3
$$
LMZ740>746-111000-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 27 310/ 14/ 16 N/A
NORTHERLY ISL 27 260/ 8/ 17 N/A
CALUMET HARBOR 27 310/ 9/ 14 1014.7
BURNS HARBOR 29 300/ 8/ 11 1015.2R
MICHIGAN CITY 29 300/ 19/ 22 1014.3R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-111000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 26 17 68 N9 30.05S WCI 17 TC -3
GALESBURG* CLOUDY 23 21 94 NW10 30.05R WCI 12 TC -5
MACOMB* CLOUDY 24 19 80 NW13 30.07S WCI 13 TC -4
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-111000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 27 22 82 NW10 30.01R WCI 17 TC -3
BLOOMINGTON CLOUDY 25 21 85 NW14 30.02R WCI 13 TC -4
DECATUR CLOUDY 27 22 81 NW14 30.03R WCI 16 TC -3
PEORIA CLOUDY 25 19 78 NW7 30.04R WCI 17 TC -4
LINCOLN* CLOUDY 28 21 77 NW6 30.04S WCI 21 TC -2
SPRINGFIELD CLOUDY 27 19 72 NW13 30.05R WCI 16 TC -3
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-111000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 27 25 92 W12 30.01R FOG WCI 17
RANTOUL* CLOUDY 27 23 85 NW13 30.01R WCI 16 TC -3
MATTOON CLOUDY 28 22 78 NW13 30.01S WCI 17 TC -2
PARIS* CLOUDY 29 24 80 NW9 30.01S WCI 21 TC -2
$$
ILZ079-100>102-111000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLOUDY 32 23 68 NW12 30.05S WCI 23 TC 0
CAHOKIA* CLOUDY 32 25 75 NW5 30.06F WCI 27 TC 0
SPARTA* CLOUDY 30 25 79 W3 30.08S TC -1
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-111000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 26 23 88 SW5 30.08S WCI 20 TC -3
CAIRO* CLEAR 25 24 96 CALM 30.11S TC -4
EFFINGHAM* CLOUDY 30 24 78 W7 30.05S WCI 23 TC -1
MT. VERNON CLOUDY N/A N/A N/A VRB3 30.06F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 32 24 73 NW5 30.04F WCI 27 TC 0
METROPOLIS* CLEAR 25 22 86 CALM 30.09F TC -4
$$
ILZ067-068-072-073-078-083-087-091-111000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 32 24 72 NW8 30.04F WCI 25 TC 0
FLORA* CLOUDY 32 25 74 NW6 30.05S WCI 26 TC 0
FAIRFIELD* CLOUDY 32 23 70 CALM 30.06S TC 0
HARRISBURG* CLOUDY 27 24 87 CALM 30.08S TC -3
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$