Regional Weather Roundup
Issued by NWS
Issued by NWS
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095
ASUS43 KLOT 151507
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT TUE SEP 15 2026
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.
ILZ001-002-007-009-015-016-024-151600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 71 69 93 S6 30.01S TC 22
STERLING* CLOUDY 70 70 100 CALM 30.03F TC 21
SAVANNA* LGT RAIN 69 67 95 CALM 30.01F TC 21
$$
ILZ003-004-008-010-011-017-018-151600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 68 67 96 S8 30.05F TC 20
FREEPORT* CLOUDY 69 67 94 SW6 30.04F TC 21
ROCHELLE* RAIN 67 67 100 S6 30.04F TC 20
DE KALB* LGT RAIN 66 66 100 SW6 30.07S TC 19
$$
ILZ005-006-012>014-019>023-151600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 70 62 76 SW10 30.06R TC 21
CHICAGO-MIDWAY CLOUDY 75 61 61 SW10 30.06R TC 24
AURORA CLOUDY 67 64 90 W5 30.09R TC 19
JOLIET* PTSUNNY 78 64 62 SW5 30.07R HX 80 TC 26
WAUKEGAN LGT RAIN 65 64 97 SW10 30.04R FOG TC 18
DUPAGE AIRPORT LGT RAIN 68 64 87 W9 30.10R TC 20
KANKAKEE* PTSUNNY 74 60 63 S3 30.10S TC 23
WHEELING LGT RAIN 69 63 81 W6 30.08R TC 21
LANSING* PTSUNNY 71 61 71 S9 30.07F TC 22
NORTHERLY ISL* N/A 73 58 59 S9 N/A TC 23
$$
LMZ740>746-151600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 65 59 170/ 8/ 12 1016.7R 2/ 5
WAUKEGAN HARBOR 65 60 230/ 10/ 16 1017.1R 1/ 4
WILMETTE BUOY 65 210/ 4/ 6 1019.4R 1/ 4
CHICAGO BUOY 69 66 1016.6R 1/ 2
HARRISON CRIB 71 200/ 16/ 18 N/A
NORTHERLY ISL 71 190/ 6/ 12 N/A
CALUMET HARBOR 72 180/ 8/ 12 1017.6
MICHIGAN CITY 69 180/ 6/ 8 1017.6
MICH CITY BUOY 67 65 190/ 12/ 16 N/A 1
ST. JOSEPH BUOY 66 65 170/ 8/ 10 1019.3R 2/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-151600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 84 71 65 S12 30.03S HX 89 TC 29
GALESBURG* PTSUNNY 76 68 75 CALM 30.05S TC 25
MACOMB* MOSUNNY 80 72 77 SE3 30.06S HX 84 TC 27
JACKSONVILLE* SUNNY 85 70 60 SW8G16 30.05R HX 89 TC 30
PITTSFIELD* SUNNY 86 71 59 S8 30.06R HX 92 TC 30
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-151600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 76 63 63 CALM 30.08S TC 25
BLOOMINGTON MOSUNNY 79 67 66 SW9 30.09R HX 81 TC 26
DECATUR SUNNY 85 67 54 S16G24 30.08S HX 87 TC 29
PEORIA MOSUNNY 78 67 68 SW6 30.06S HX 80 TC 26
LACON* MOSUNNY 78 65 63 SW9 30.04S HX 80 TC 26
LINCOLN* SUNNY 84 69 60 SW5 30.07R HX 88 TC 29
SPRINGFIELD SUNNY 86 70 58 S10 30.06R HX 90 TC 30
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-151600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 83 67 58 S14G21 30.10R HX 85 TC 28
RANTOUL* MOSUNNY 82 66 58 SW9G18 30.10R HX 84 TC 28
MATTOON SUNNY 82 66 58 S14G25 30.11S HX 84 TC 28
PARIS* MOSUNNY 83 65 55 S10G16 30.12S HX 84 TC 28
$$
ILZ079-100>102-151600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 72 65 S10 30.07S HX 89 TC 29
CAHOKIA* SUNNY 85 72 65 VRB3 30.07S HX 91 TC 29
SPARTA* SUNNY 85 70 59 S8 30.11S HX 90 TC 30
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 84 72 65 SW10 30.11S HX 89 TC 29
CAIRO* SUNNY 86 75 71 CALM 30.14S HX 94 TC 30
EFFINGHAM* SUNNY 83 66 56 S6 30.13S HX 85 TC 28
MARION SUNNY 84 72 65 SW6 30.13R HX 89 TC 29
MT. VERNON SUNNY 84 71 65 S12 30.13R HX 89 TC 29
CENTRALIA* SUNNY 86 70 59 S10G16 30.11S HX 91 TC 30
SALEM* SUNNY 87 71 58 MISG 30.12R HX 92 TC 31
METROPOLIS* SUNNY 86 71 59 S5 30.14S HX 91 TC 30
$$
ILZ067-068-072-073-078-083-087-091-151600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 82 66 58 S9 30.14R HX 84 TC 28
FLORA* SUNNY 84 68 58 SW12 30.12S HX 87 TC 29
FAIRFIELD* SUNNY 85 67 55 SW7 30.13R HX 87 TC 29
HARRISBURG* SUNNY 86 72 62 SW8 30.13S HX 92 TC 30
ROBINSON* SUNNY 82 68 61 S10 30.13R HX 85 TC 28
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$