Regional Weather Roundup
Issued by NWS
Issued by NWS
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937
ASUS43 KLOT 132301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CDT SAT SEP 13 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.
ILZ001-002-007-009-015-016-024-140000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 92 67 43 SW6 29.90S HX 95 TC 33
STERLING* MOSUNNY 86 67 52 NE7 29.94S HX 89 TC 30
$$
ILZ003-004-008-010-011-017-018-140000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 79 66 64 VRB6 29.97S HX 81 TC 26
PERU* MOSUNNY 85 65 52 E7 29.94R HX 87 TC 29
$$
ILZ005-006-012>014-019>023-140000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 63 59 CALM 29.97S HX 80 TC 26
CHICAGO-MIDWAY PTSUNNY 78 63 59 S3 29.97S HX 80 TC 26
AURORA SUNNY 80 67 64 E6 29.97R HX 82 TC 27
JOLIET* MOSUNNY 81 68 66 SE6 29.97R HX 83 TC 27
WAUKEGAN SUNNY 74 65 73 E7 29.98S TC 23
DUPAGE AIRPORT SUNNY 80 64 58 CALM 29.97S HX 82 TC 27
KANKAKEE* MOSUNNY 75 66 73 SE8 29.97F TC 24
WHEELING SUNNY 78 64 61 SE5 29.99R HX 80 TC 26
MORRIS* MOSUNNY 81 69 66 E8 29.95S HX 84 TC 27
ROMEOVILLE* SUNNY 79 70 73 E5 29.98S HX 81 TC 26
LANSING* MOSUNNY 74 66 75 CALM 29.99S TC 24
$$
LMZ740>746-140000-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 68 66 100/ 8/ 10 1016.2R
WINTHROP HARBOR 69 67 100/ 6/ 8 N/A 2/ 5
WAUKEGAN HARBOR 70 69 N/A 1/ 4
WILMETTE BUOY 70 130/ 10/ 12 1017.3R 1/ 3
CHICAGO BUOY 71 66 100/ 8/ 10 1015.6S 1/ 2
HARRISON CRIB 72 120/ 12/ 12 N/A
CALUMET HARBOR 75 190/ 4/ 6 1014.2
BURNS HARBOR 74 190/ 5/ 7 1015.9F
MICHIGAN CITY 74 110/ 7/ 9 1014.4R
MICH CITY BUOY 76 1014.0R
ST. JOSEPH BUOY 72 69 110/ 12/ 14 1017.2R 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-140000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 93 65 39 SW6 29.94S HX 95 TC 34
GALESBURG* SUNNY 92 65 41 SW3 29.94S HX 94 TC 33
MACOMB* SUNNY 94 63 35 W7 29.95S HX 95 TC 35
JACKSONVILLE* SUNNY 92 64 39 W5 29.94S HX 93 TC 33
PITTSFIELD* SUNNY 92 64 39 SW5 29.96S HX 94 TC 34
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-140000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 87 65 46 NE7 29.93S HX 89 TC 31
BLOOMINGTON MOSUNNY 89 68 49 SW7 29.95S HX 93 TC 32
DECATUR MOSUNNY 94 64 37 W5 29.95S HX 95 TC 34
PEORIA MOSUNNY 93 61 34 W6 29.92S HX 93 TC 34
LACON* MOSUNNY 88 69 52 NE3 29.91S HX 93 TC 31
LINCOLN* MOSUNNY 94 66 39 W3 29.94R HX 97 TC 35
SPRINGFIELD MOSUNNY 93 61 34 W8 29.94R HX 93 TC 34
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-140000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 93 64 38 SW8 29.95S HX 94 TC 34
DANVILLE* MOSUNNY 78 65 65 S8 29.98F HX 80 TC 26
RANTOUL* MOSUNNY 85 63 47 SE9 29.96R HX 86 TC 30
MATTOON MOSUNNY 90 65 43 S8 29.95S HX 92 TC 32
$$
ILZ079-100>102-140000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 91 70 49 VRB3 29.96S HX 97 TC 33
CAHOKIA* SUNNY 94 63 35 S3 29.94S HX 95 TC 34
SPARTA* MOSUNNY 92 65 39 SW8 29.98R HX 94 TC 34
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-140000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 91 68 46 S8 29.97S HX 95 TC 33
CAIRO* MOSUNNY 91 67 46 S3 29.99S HX 94 TC 33
EFFINGHAM* SUNNY 91 65 42 SE9 29.98R HX 93 TC 33
MARION MOSUNNY 91 66 43 S9 29.98S HX 94 TC 33
MT. VERNON SUNNY 93 66 40 S7 29.97S HX 96 TC 34
CENTRALIA* SUNNY 95 63 34 W5 29.96S HX 95 TC 35
SALEM* SUNNY 94 63 35 S3 29.96S HX 95 TC 35
METROPOLIS* SUNNY 90 63 39 CALM 29.99S HX 91 TC 32
$$
ILZ067-068-072-073-078-083-087-091-140000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 86 64 47 SE10 29.98F HX 87 TC 30
FLORA* SUNNY 90 66 45 S8 29.97S HX 92 TC 32
FAIRFIELD* SUNNY 90 64 41 S7 29.97F HX 91 TC 32
HARRISBURG* SUNNY 90 63 39 MISG 29.99S HX 91 TC 32
ROBINSON* MOSUNNY 86 64 48 SE8 29.98R HX 87 TC 30
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$