Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 241706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT FRI JUL 24 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.
ILZ001-002-007-009-015-016-024-241800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 69 61 75 E5 30.13F TC 21
STERLING* PTSUNNY 75 55 49 VRB3 30.15F TC 24
SAVANNA* MOSUNNY 76 53 44 S10 30.14F TC 24
$$
ILZ003-004-008-010-011-017-018-241800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 77 53 43 S9 30.16F TC 25
FREEPORT* MOSUNNY 76 56 49 S7 30.17F TC 24
ROCHELLE* PTSUNNY 74 52 46 S5 30.16F TC 23
DE KALB* MOSUNNY 74 55 52 S8 30.18F TC 23
PERU* PTSUNNY N/A N/A N/A S5 30.15F
$$
ILZ005-006-012>014-019>023-241800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 75 49 39 S8 30.15F TC 24
CHICAGO-MIDWAY PTSUNNY 76 50 40 SW8 30.15F TC 24
AURORA PTSUNNY 73 55 53 S7 30.17S TC 23
JOLIET* PTSUNNY 73 58 59 S6 30.17S TC 23
WAUKEGAN CLOUDY 73 56 54 SE9 30.15S TC 23
DUPAGE AIRPORT MOSUNNY 75 55 49 SW9 30.16S TC 24
KANKAKEE* MOSUNNY 71 57 61 CALM 30.17F TC 22
WHEELING PTSUNNY 77 50 38 VRB7 30.17S TC 25
LANSING* PTSUNNY 73 54 51 SE5 30.17F TC 23
NORTHERLY ISL* N/A 75 54 47 E8 N/A TC 24
$$
LMZ740>746-241800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 71 72 1019.9 1
WAUKEGAN HARBOR 71 71 1020.7 1
WILMETTE BUOY 72 150/ 8/ 10 1024.5F 1
CHICAGO BUOY 74 N/A 1
HARRISON CRIB 74 150/ 6/ 7 N/A
NORTHERLY ISL 76 120/ 5 N/A
CALUMET HARBOR 73 120/ 4/ 5 1021.4
BURNS HARBOR 1022.0S
MICHIGAN CITY 75 350/ 5/ 5 1019.9F
MICH CITY BUOY 74 74 350/ 2/ 2 N/A 0
ST. JOSEPH BUOY 72 72 10/ 2/ 2 1022.1F 0
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-241800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 69 63 81 S7 30.13F TC 21
GALESBURG* PTSUNNY 71 59 64 S3 30.15F TC 22
MACOMB* PTSUNNY 73 62 69 CALM 30.15F TC 23
JACKSONVILLE* CLOUDY 74 59 60 S6 30.14F TC 23
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-241800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 72 56 57 MISG 30.17S TC 22
BLOOMINGTON MOSUNNY 74 56 53 S8 30.17F TC 23
DECATUR MOSUNNY 75 55 49 SW3 30.15F TC 24
PEORIA PTSUNNY 74 56 53 S5 30.14F TC 23
LACON* LGT RAIN 68 59 73 CALM 30.15F TC 20
LINCOLN* PTSUNNY 77 57 49 S6 30.15F TC 25
SPRINGFIELD PTSUNNY 74 56 53 VRB5 30.14F TC 23
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-241800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 74 58 57 VRB5 30.16F TC 23
DANVILLE* CLOUDY 78 57 48 SE5 30.17S VSB 1/4 TC 25
MATTOON PTSUNNY 76 55 48 SW6 30.15S TC 24
PARIS* MOSUNNY 78 53 41 CALM 30.16F TC 26
$$
ILZ079-100>102-241800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 73 59 60 S6 30.15F TC 23
CAHOKIA* LGT RAIN 72 63 73 CALM 30.15S TC 22
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-241800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 79 59 50 N5 30.14S HX 80 TC 26
CAIRO* CLOUDY 79 64 61 CALM 30.14S HX 80 TC 26
EFFINGHAM* PTSUNNY 77 56 48 CALM 30.17S TC 25
MT. VERNON PTSUNNY 78 56 46 VRB5 30.14F TC 26
CENTRALIA* PTSUNNY 77 56 47 CALM 30.15F TC 25
SALEM* PTSUNNY 78 60 54 MISG 30.15F TC 25
METROPOLIS* MOSUNNY 79 60 50 NW3 30.14S HX 80 TC 26
$$
ILZ067-068-072-073-078-083-087-091-241800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 79 58 48 E6 30.14F HX 80 TC 26
FLORA* PTSUNNY 77 57 50 CALM 30.14F TC 25
FAIRFIELD* PTSUNNY 76 56 49 CALM 30.14F TC 25
HARRISBURG* MOSUNNY 79 61 54 NW5 30.15S HX 80 TC 26
ROBINSON* MOSUNNY 77 57 50 VRB1 30.14S TC 25
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$