Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 290206
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT THU AUG 28 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.
ILZ001-002-007-009-015-016-024-290300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 67 64 90 CALM 30.10R TC 19
STERLING* CLEAR 67 63 87 SE5 30.13R TC 19
$$
ILZ003-004-008-010-011-017-018-290300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 67 57 70 NE5 30.14R TC 19
ROCHELLE* CLEAR 64 58 80 NE7 30.14R TC 18
DE KALB* CLEAR 64 60 88 E7 30.16R TC 18
PERU* CLEAR 67 62 83 NE7 30.12R TC 20
$$
ILZ005-006-012>014-019>023-290300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 66 58 75 NE12 30.14R TC 19
CHICAGO-MIDWAY MOCLDY 68 57 68 NE13 30.14R TC 20
AURORA CLEAR 65 59 81 E8 30.13R TC 18
JOLIET* CLEAR 67 61 79 NE5 30.14R TC 20
WAUKEGAN CLEAR 63 51 65 N6 30.15R TC 17
DUPAGE AIRPORT CLEAR 65 58 78 NE7 30.14R TC 18
KANKAKEE* CLEAR 64 61 88 NE7 30.14R TC 18
WHEELING MOCLDY 66 58 75 NE9 30.16R TC 19
MORRIS* CLEAR 65 61 88 E5 30.11R TC 18
ROMEOVILLE* CLEAR 66 63 88 NE9 30.14R TC 19
LANSING* CLOUDY 66 61 84 NE6 30.14R TC 19
NORTHERLY ISL* N/A 65 57 75 NE12 N/A TC 18
$$
LMZ740>746-290300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 20/ 21/ 25 N/A
WINTHROP HARBOR 67 70 330/ 16/ 19 N/A 3/ 5
WAUKEGAN HARBOR 67 70 N/A 3/ 5
WILMETTE BUOY 68 30/ 14/ 21 1021.9 4/ 5
CHICAGO BUOY 68 69 10/ 14/ 17 1020.9R 3/ 4
HARRISON CRIB 67 20/ 17/ 18 N/A
NORTHERLY ISL 65 10/ 8/ 11 N/A
CALUMET HARBOR 68 360/ 6/ 12 1019.1
BURNS HARBOR 68 20/ 8/ 10 1020.7R
MICHIGAN CITY 67 10/ 19/ 20 1018.6R
MICH CITY BUOY 67 72 10/ 14/ 19 1018.4 5/ 5
ST. JOSEPH BUOY 67 72 330/ 19/ 25 1020.6 5/ 6
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-290300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 72 61 68 NE5 30.10R TC 22
GALESBURG* PTCLDY 67 61 80 CALM 30.12R TC 20
MACOMB* CLEAR 67 63 86 W3 30.12R TC 20
JACKSONVILLE* CLEAR 64 64 98 CALM 30.10R TC 18
PITTSFIELD* CLEAR 67 62 84 CALM 30.11R TC 19
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-290300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 65 63 91 E7 30.12R TC 19
BLOOMINGTON CLOUDY 71 65 81 NW7 30.13R TC 22
DECATUR CLEAR 71 60 68 CALM 30.10R TC 22
PEORIA LGT RAIN 74 62 66 N5 30.10R TC 23
LACON* CLEAR 68 60 75 NE6 30.09R TC 20
LINCOLN* CLEAR 70 62 75 CALM 30.10R TC 21
SPRINGFIELD CLEAR 66 61 84 CALM 30.09R TC 19
TAYLORVILLE CLEAR 66 61 82 CALM 30.10R TC 19
$$
ILZ033-039-045-046-055>057-062-063-290300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 67 61 81 CALM 30.10R TC 19
DANVILLE* PTCLDY 65 62 89 N7 30.11R TC 18
RANTOUL* PTCLDY 72 62 70 NE10 30.11R TC 22
MATTOON CLEAR 67 61 81 CALM 30.09R TC 19
PARIS* PTCLDY 64 58 80 CALM 30.10R TC 18
$$
ILZ079-100>102-290300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 66 61 82 CALM 30.10R TC 19
BELLEVILLE CLEAR 69 61 75 CALM 30.08R TC 21
CAHOKIA* CLEAR 65 60 84 CALM 30.09R TC 18
SPARTA* CLEAR 70 55 59 CALM 30.11S TC 21
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-290300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 62 56 80 S3 30.10R TC 17
CAIRO* CLEAR 64 61 91 CALM 30.11R TC 18
EFFINGHAM* CLEAR 67 60 79 CALM 30.11R TC 19
MARION CLEAR 64 54 69 CALM 30.12R TC 18
MT. VERNON CLEAR 63 59 87 NE3 30.11R TC 17
CENTRALIA* CLEAR 65 56 72 CALM 30.10R TC 18
SALEM* CLEAR 65 56 74 CALM 30.10R TC 18
METROPOLIS* CLEAR 65 57 76 CALM 30.11R TC 18
$$
ILZ067-068-072-073-078-083-087-091-290300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 67 61 81 S3 30.09R TC 19
FLORA* CLEAR 66 61 82 CALM 30.10R TC 19
FAIRFIELD* CLEAR 64 60 87 CALM 30.10R TC 18
HARRISBURG* CLEAR 65 57 76 CALM 30.11R TC 18
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$