650
ASUS43 KLOT 011101
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT SAT AUG 01 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-011200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 67 96 NE13 29.63S FOG TC 20
STERLING* PTCLDY 66 66 100 NE16 29.69R TC 19
SAVANNA* RAIN 66 64 94 NE16G26 29.72R TC 19
ILZ003-004-008-010-011-017-018-011200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 66 65 96 NE9 29.75S TC 19
FREEPORT* CLOUDY 65 64 95 NE12G21 29.77R TC 18
ILZ005-006-012>014-019>023-011200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE RAIN 69 67 93 E10 29.75R FOG TC 21
CHICAGO-MIDWAY LGT RAIN 67 66 97 E6 29.73R TC 19
AURORA LGT RAIN 67 66 97 E12 29.72S TC 19
JOLIET* RAIN 69 69 100 E10G17 29.71F TC 20
WAUKEGAN LGT RAIN 68 67 96 NE14G28 29.77R TC 20
DUPAGE AIRPORT HVY RAIN 67 67 100 E12G18 29.73R FOG TC 19
WHEELING HVY RAIN 69 68 96 NE8 29.77R TC 21
ROMEOVILLE* HVY RAIN 68 68 100 NE17 29.73F VSB 1/2 TC 20
LANSING* RAIN 67 65 93 E7 29.74R TC 20
NORTHERLY ISL* N/A 69 66 90 E14 N/A TC 21
LMZ740>746-011200-
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 69 30/ 17/ 23 1008.5R 5/ 6
WAUKEGAN HARBOR 70 68 10/ 16/ 21 1009.3R 5/ 5
WILMETTE BUOY 71 70/ 16/ 23 1009.6F 6/ 5
CHICAGO BUOY 71 70 1006.1S 3/ 5
HARRISON CRIB 71 90/ 17/ 19 N/A
NORTHERLY ISL 69 80/ 15/ 18 N/A
CALUMET HARBOR 69 80/ 12/ 14 1007.0
BURNS HARBOR 1007.5F
MICHIGAN CITY 69 110/ 4/ 5 1006.1S
MICH CITY BUOY 70 73 110/ 10/ 14 N/A 1/ 3
ST. JOSEPH BUOY 71 71 90/ 12/ 14 1008.8R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-011200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 65 64 97 W3 29.64S TC 18
MACOMB* CLOUDY 65 65 100 CALM 29.65F TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-011200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 69 69 100 S10 29.65F FOG TC 21
DECATUR LGT RAIN 70 68 93 W6 29.64F TC 21
PEORIA CLOUDY 68 66 93 SW5 29.63S TC 20
LINCOLN* CLOUDY 70 70 100 CALM 29.64F TC 21
SPRINGFIELD CLOUDY 68 66 93 SW3 29.64F TC 20
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-011200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 69 69 100 SE8 29.65F FOG TC 21
MATTOON CLOUDY 71 70 96 S7 29.64F TC 22
ILZ079-100>102-011200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLOUDY 70 63 78 W6 29.66F TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
EFFINGHAM* CLOUDY 71 71 99 S5 29.67F TC 22
MT. VERNON CLOUDY 71 70 96 SW7 29.68F TC 22
CENTRALIA* CLOUDY 72 70 95 CALM 29.67S TC 22
SALEM* DRIZZLE 73 72 98 MISG 29.67S TC 23
ILZ067-068-072-073-078-083-087-091-011200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 72 70 93 S5 29.67F TC 22
FAIRFIELD* CLOUDY 71 70 95 S7 29.67S TC 22
HARRISBURG* CLOUDY 71 71 100 CALM 29.69S TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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