Regional Weather Roundup
Issued by NWS
Issued by NWS
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721
ASUS43 KLOT 012210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT MON SEP 01 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.
ILZ001-002-007-009-015-016-024-012300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 78 55 44 MISG 30.16S TC 26
STERLING* MOSUNNY 78 53 41 E7 30.18F TC 26
$$
ILZ003-004-008-010-011-017-018-012300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 77 53 43 VRB3 30.19F TC 25
ROCHELLE* PTSUNNY 74 53 48 E5 30.18F TC 23
DE KALB* MOSUNNY 75 55 48 CALM 30.19F TC 24
PERU* MOSUNNY 79 54 41 E5 30.17S TC 26
$$
ILZ005-006-012>014-019>023-012300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 75 49 39 NE9 30.17F TC 24
CHICAGO-MIDWAY MOSUNNY 76 47 35 E8 30.18S TC 24
AURORA MOSUNNY 78 53 41 E9 30.17F TC 26
JOLIET* SUNNY 77 53 42 E5 30.17F TC 25
WAUKEGAN SUNNY 75 52 44 E7 30.19F TC 24
DUPAGE AIRPORT SUNNY 76 51 41 E8 30.17F TC 24
KANKAKEE* SUNNY 75 52 43 E8 30.17F TC 24
WHEELING SUNNY 75 52 44 E6 30.20F TC 24
MORRIS* SUNNY 76 54 44 CALM 30.16F TC 25
ROMEOVILLE* SUNNY 77 52 41 NE8 30.18F TC 25
LANSING* SUNNY 74 55 52 NE9 30.18F TC 23
NORTHERLY ISL* N/A 72 55 55 MISG N/A TC 22
$$
LMZ740>746-012300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 70 72 320/ 6/ 6 1022.4F 0
WINTHROP HARBOR 71 72 50/ 4/ 6 N/A 1
WAUKEGAN HARBOR 70 73 N/A 1
WILMETTE BUOY 71 40/ 6/ 10 1024.6F 1
CHICAGO BUOY 71 70 10/ 8/ 12 1022.5 1
HARRISON CRIB 71 30/ 9/ 10 N/A
NORTHERLY ISL 72 20/ 5/ 8 N/A
CALUMET HARBOR 72 10/ 8/ 10 1021.2
BURNS HARBOR 71 20/ 7/ 8 1022.4F
MICHIGAN CITY 71 20/ 12/ 13 1020.6F
MICH CITY BUOY 71 72 360/ 10/ 12 1020.1F 2/ 3
ST. JOSEPH BUOY 71 71 320/ 14/ 17 1022.6F 2/ 3
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-012300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 77 52 41 E8 30.14S TC 25
GALESBURG* SUNNY 77 52 41 E6 30.17S TC 25
MACOMB* MOSUNNY 79 55 43 E6 30.17S HX 80 TC 26
JACKSONVILLE* MOSUNNY 78 52 40 NE9 30.13S TC 26
PITTSFIELD* MOSUNNY 78 53 42 E5 30.15S TC 26
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-012300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 77 50 39 E7 30.17S TC 25
BLOOMINGTON SUNNY 78 53 41 E12 30.17F TC 26
DECATUR SUNNY 81 45 28 NE7 30.14F HX 80 TC 27
PEORIA SUNNY 79 49 34 E7 30.14F TC 26
LACON* SUNNY 77 52 41 E5 30.15F TC 25
LINCOLN* SUNNY 80 52 38 E7 30.14F HX 80 TC 27
SPRINGFIELD SUNNY 80 45 28 NE10 30.13F TC 27
TAYLORVILLE MOSUNNY 81 52 36 NE5 30.13S HX 80 TC 27
$$
ILZ033-039-045-046-055>057-062-063-012300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 80 45 28 VRB6 30.14F TC 27
DANVILLE* SUNNY 79 54 41 NE7 30.14F TC 26
RANTOUL* SUNNY 78 46 32 NE9 30.15S TC 26
MATTOON SUNNY 81 51 35 NE8 30.12S HX 80 TC 27
PARIS* SUNNY 80 51 35 E3 30.12F TC 27
$$
ILZ079-100>102-012300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 54 44 VRB6 30.11F TC 25
CAHOKIA* PTSUNNY 79 54 41 N9 30.09F TC 26
SPARTA* SUNNY 85 47 26 E3 30.09S HX 83 TC 30
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-012300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 85 49 28 N7 30.07S HX 83 TC 29
CAIRO* SUNNY 86 53 32 CALM 30.05F HX 84 TC 30
EFFINGHAM* MOSUNNY 80 49 34 NE9 30.13S HX 80 TC 27
MARION MOSUNNY 82 52 34 NE6 30.07F HX 81 TC 28
MT. VERNON MOSUNNY 85 52 32 NE7 30.09F HX 83 TC 29
CENTRALIA* MOSUNNY 82 49 32 CALM 30.10S HX 80 TC 28
SALEM* PTSUNNY 82 49 31 E3 30.10S HX 80 TC 28
METROPOLIS* MOSUNNY 85 51 31 CALM 30.06S HX 83 TC 29
$$
ILZ067-068-072-073-078-083-087-091-012300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 82 49 31 NE8 30.10S HX 81 TC 28
FLORA* PTSUNNY 79 54 41 NE6 30.10F TC 26
FAIRFIELD* MOSUNNY 80 51 36 NE3 30.09S HX 80 TC 27
HARRISBURG* SUNNY 84 49 30 E6 30.07S HX 82 TC 29
ROBINSON* MOSUNNY 82 52 34 NE8 30.10F HX 81 TC 28
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$