Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 281601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-281700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 75 59 57 VRB7 30.11S TC 24
STERLING* SUNNY 74 63 68 NE6 30.12S TC 23
$$
ILZ003-004-008-010-011-017-018-281700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 71 62 73 N6 30.12S TC 22
ROCHELLE* SUNNY 71 60 67 NE5 30.12S TC 22
PERU* MOSUNNY 73 62 70 NW5 30.11F TC 23
$$
ILZ005-006-012>014-019>023-281700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 70 60 70 NW7 30.09S TC 21
CHICAGO-MIDWAY MOSUNNY 73 60 63 NW10 30.09F TC 23
AURORA SUNNY 73 61 65 CALM 30.11S TC 23
JOLIET* SUNNY 73 61 66 W5 30.11F TC 23
WAUKEGAN MOSUNNY 74 59 59 N6 30.09R TC 23
DUPAGE AIRPORT SUNNY 73 61 65 NW6 30.10S TC 23
WHEELING MOSUNNY 74 62 66 NW6 30.11S TC 23
MORRIS* MOSUNNY 70 61 71 NW6 30.11S TC 21
ROMEOVILLE* MOSUNNY 72 63 73 SW7G13 30.11S TC 22
LANSING* MOSUNNY 69 61 73 W7 30.11S TC 21
NORTHERLY ISL* N/A 70 57 63 W8 N/A TC 21
$$
LMZ740>746-281700-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 67 71 330/ 12/ 14 1018.9R
WINTHROP HARBOR 68 70 360/ 10/ 12 N/A 1
WAUKEGAN HARBOR 69 70 N/A 0
WILMETTE BUOY 69 360/ 10/ 14 1020.9R 1
CHICAGO BUOY 69 69 290/ 8/ 10 1019.4S 1
HARRISON CRIB 69 280/ 9/ 11 N/A
NORTHERLY ISL 69 270/ 4/ 11 N/A
CALUMET HARBOR 69 250/ 2/ 7 1018.1
BURNS HARBOR 67 260/ 5/ 6 1020.0S
MICHIGAN CITY 66 230/ 13/ 14 1018.1F
MICH CITY BUOY 66 72 230/ 10/ 14 1017.7R 2/ 3
ST. JOSEPH BUOY 68 72 240/ 16/ 19 1019.8R 3/ 4
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-281700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 75 61 61 VRB6 30.15S TC 24
GALESBURG* SUNNY 75 60 61 W3 30.15R TC 24
MACOMB* MOSUNNY 77 62 61 CALM 30.17R TC 25
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-281700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 71 59 65 W7 30.13S TC 22
BLOOMINGTON MOSUNNY 74 58 57 W7 30.15S TC 23
DECATUR PTSUNNY 77 57 50 W7 30.16R TC 25
PEORIA MOSUNNY 77 58 51 W8 30.13S TC 25
LACON* MOSUNNY 72 59 64 SW6 30.11S TC 22
LINCOLN* PTSUNNY 76 57 52 NW3 30.15S TC 24
SPRINGFIELD SUNNY 77 58 51 W6 30.15R TC 25
TAYLORVILLE SUNNY 75 61 60 SW6 30.16R TC 24
$$
ILZ033-039-045-046-055>057-062-063-281700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 70 58 65 SW7 30.16R TC 21
DANVILLE* CLOUDY 68 57 67 S5 30.16S VSB 3/4 TC 20
RANTOUL* PTSUNNY 70 56 59 SW8 30.15S TC 21
MATTOON CLOUDY 76 55 48 SW9 30.16R TC 24
PARIS* CLOUDY 69 55 60 CALM 30.17R TC 21
$$
ILZ079-100>102-281700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 75 57 53 SW7 30.17S TC 24
BELLEVILLE MOSUNNY 77 57 49 SW6 30.15F TC 25
CAHOKIA* MOSUNNY 76 58 53 W6 30.16F TC 24
SPARTA* PTSUNNY 78 53 40 S6 30.19S TC 26
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-281700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 76 52 43 S5 30.17F TC 24
CAIRO* PTSUNNY 76 56 50 CALM 30.18R TC 24
EFFINGHAM* SUNNY 77 54 45 SW9 30.18S TC 25
MARION MOSUNNY 75 52 43 SW7 30.18S TC 24
MT. VERNON SUNNY 78 54 43 SW6 30.18F TC 26
CENTRALIA* SUNNY 78 50 37 SW5 30.18S TC 26
SALEM* SUNNY 78 52 40 SW5 30.18S TC 26
METROPOLIS* PTSUNNY 76 50 39 CALM 30.18S TC 25
$$
ILZ067-068-072-073-078-083-087-091-281700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 76 53 44 S9 30.17F TC 24
FLORA* SUNNY 75 55 50 S10 30.18F TC 24
FAIRFIELD* SUNNY 75 53 45 SW6 30.18S TC 24
HARRISBURG* MOSUNNY 77 50 39 SW3 30.18F TC 25
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$