Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 201801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CST THU NOV 20 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.
ILZ001-002-007-009-015-016-024-201900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 48 45 89 SW7 30.05F TC 9
6HR MIN TEMP: 45; 6HR MAX TEMP: 48;
STERLING* PTSUNNY 47 47 100 CALM 30.06F FOG TC 8
$$
ILZ003-004-008-010-011-017-018-201900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRZL/FOG 46 45 96 S9 30.07F VSB 1 TC 8
6HR MIN TEMP: 42; 6HR MAX TEMP: 46; 6HR PCP: TRACE;
$$
ILZ005-006-012>014-019>023-201900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 46 42 86 S9 30.06F FOG TC 8
6HR MIN TEMP: 43; 6HR MAX TEMP: 47; 6HR PCP: TRACE;
CHICAGO-MIDWAY CLOUDY 47 42 83 SW10 30.07F TC 8
6HR MIN TEMP: 43; 6HR MAX TEMP: 47; 6HR PCP: TRACE;
AURORA CLOUDY 46 45 96 S7 30.07S FOG TC 8
6HR MIN TEMP: 42; 6HR MAX TEMP: 46;
JOLIET* CLOUDY 48 44 85 SW8 30.09F TC 9
WAUKEGAN CLOUDY 46 42 86 SW10 30.05F TC 8
6HR MIN TEMP: 42; 6HR MAX TEMP: 46;
DUPAGE AIRPORT CLOUDY 45 44 97 SW9 30.08R FOG TC 7
6HR MIN TEMP: 42; 6HR MAX TEMP: 45;
WHEELING CLOUDY 47 43 86 SW7 30.08S TC 8
6HR MIN TEMP: 42; 6HR MAX TEMP: 47;
MORRIS* CLOUDY 47 45 90 S8 30.08F TC 9
ROMEOVILLE* CLOUDY 46 45 93 S8 30.10R TC 8
LANSING* CLOUDY 46 40 81 SW7 30.09F HAZE TC 8
NORTHERLY ISL* N/A 46 41 82 W6 N/A TC 8
$$
LMZ740>746-201900-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 46 50 210/ 10/ 14 1017.9F
WINTHROP HARBOR 47 48 190/ 6/ 10 N/A 1
WAUKEGAN HARBOR 46 48 190/ 8/ 10 N/A 1
HARRISON CRIB 46 190/ 12/ 13 N/A
NORTHERLY ISL 46 190/ 7/ 8 N/A
CALUMET HARBOR 170/ 6/ 9 1018.2
BURNS HARBOR 45 180/ 6/ 7 1019.0F
MICHIGAN CITY 44 190/ 9/ 11 1018.3F
ST. JOSEPH BUOY 45 50 150/ 8/ 16 1019.2F 1/ 3
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-201900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY FOG 48 48 100 SE3 30.05F VSB 1/2 TC 9
GALESBURG* CLOUDY 48 48 100 S6 30.06F TC 9
MACOMB* CLOUDY 50 47 91 S6 30.07F FOG TC 10
JACKSONVILLE* CLOUDY 48 47 97 SE6 30.06F TC 9
PITTSFIELD* CLOUDY 49 49 98 E5 30.07F VSB 1 TC 10
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-201900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 47 44 91 S7 30.08F TC 8
BLOOMINGTON CLOUDY 47 47 100 SW10 30.08F FOG TC 8
DECATUR CLOUDY 49 46 90 S6 30.07F TC 9
PEORIA CLOUDY 49 45 86 S7 30.06F TC 9
6HR MIN TEMP: 44; 6HR MAX TEMP: 49;
SPRINGFIELD FOG 49 47 93 SE5 30.06F VSB 1 TC 9
6HR MIN TEMP: 44; 6HR MAX TEMP: 49;
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-201900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 47 47 100 S8 30.07F FOG TC 8
MATTOON CLOUDY 48 47 96 SE5 30.06F FOG TC 9
PARIS* CLOUDY 47 47 97 SE7 30.08F FOG TC 9
$$
ILZ079-100>102-201900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 52 48 87 E6 30.06F FOG TC 11
CAHOKIA* CLOUDY 52 50 93 SE3 30.05F TC 11
SPARTA* CLOUDY 51 51 100 E3 30.06F TC 10
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 52 52 100 N5 30.05F TC 11
EFFINGHAM* CLOUDY 50 49 96 E3 30.09S FOG TC 10
MARION LGT RAIN 52 52 100 SE7 30.06S TC 11
MT. VERNON CLOUDY N/A N/A N/A E6 30.06F HAZE
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 51 49 93 SE6 30.07S FOG TC 10
METROPOLIS* LGT RAIN 52 51 97 CALM 30.07F TC 11
$$
ILZ067-068-072-073-078-083-087-091-201900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 50 48 93 SE13 30.06F TC 10
FLORA* CLOUDY 50 N/A N/A SE7 30.08F FOG TC 10
FAIRFIELD* CLOUDY 49 48 93 CALM 30.09R FOG TC 10
HARRISBURG* CLOUDY 51 49 93 CALM 30.05S FOG TC 11
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$