890
ASUS43 KLOT 151312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT SAT AUG 15 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.
ILZ001-002-007-009-015-016-024-151400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 73 72 96 SE5 30.00F TC 23
STERLING* CLOUDY 73 73 100 E5 30.04F TC 23
SAVANNA* CLOUDY 70 69 95 E8 30.04F FOG TC 21
ILZ003-004-008-010-011-017-018-151400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 71 69 93 VRB3 30.08F TC 22
FREEPORT* CLOUDY 69 67 94 E5 30.09F TC 21
ROCHELLE* DRIZZLE 71 69 94 SE5 30.08F TC 22
DE KALB* HVY RAIN 71 71 100 E3 30.10S TC 22
PERU* LGT RAIN 73 73 100 S7 30.06F TC 23
ILZ005-006-012>014-019>023-151400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 74 71 91 S5 30.09S TC 23
CHICAGO-MIDWAY CLOUDY 75 71 87 S8 30.08F TC 24
AURORA LGT RAIN 72 71 97 SE6 30.08F FOG TC 22
JOLIET* RAIN 73 73 100 S6 30.10S TC 23
WAUKEGAN CLOUDY 74 72 93 SE3 30.09S TC 23
DUPAGE AIRPORT CLOUDY 73 71 93 SE5 30.09S TC 23
KANKAKEE* RAIN 71 69 95 S8 30.12S TC 22
WHEELING CLOUDY 74 71 91 CALM 30.11S TC 23
ROMEOVILLE* RAIN 73 73 100 S5 30.10S FOG TC 23
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 73 70 90 SE2 N/A TC 23
LMZ740>746-151400-
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 74 74 110/ 8/ 12 1019.0 2/ 5
WAUKEGAN HARBOR 74 74 110/ 6/ 8 1019.1 2/ 4
WILMETTE BUOY 74 150/ 8/ 12 1022.0S 2/ 5
CHICAGO BUOY 74 73 1017.9 2/ 5
HARRISON CRIB 74 150/ 11/ 13 N/A
NORTHERLY ISL 73 150/ 4/ 6 N/A
CALUMET HARBOR 73 150/ 4/ 9 1019.2
MICHIGAN CITY 73 140/ 6/ 7 1018.4S
MICH CITY BUOY 73 73 150/ 10/ 14 N/A 2/ 5
ST. JOSEPH BUOY 74 75 140/ 10/ 12 1020.2F 1/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-151400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY TSTM 73 72 96 S12 30.05F TC 23
GALESBURG* LGT RAIN 71 71 100 S5 30.04S TC 22
MACOMB* LGT RAIN 72 72 100 S12 30.08R TC 22
JACKSONVILLE* CLOUDY 72 72 100 N6 30.09F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-151400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 72 72 100 S6 30.10F TC 22
BLOOMINGTON LGT RAIN 71 71 100 S6 30.10F TC 22
DECATUR RAIN 73 71 93 W8 30.15S FOG TC 23
PEORIA LGT RAIN 71 71 100 SE6 30.04F TC 22
LACON* LGT RAIN 72 70 94 S6 30.04F TC 22
LINCOLN* RAIN 73 73 100 S7 30.10F TC 23
SPRINGFIELD PTSUNNY 73 72 96 S5 30.11F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN RAIN 71 71 100 CALM 30.14F FOG TC 22
MATTOON CLOUDY 73 71 93 N8 30.16R TC 23
PARIS* TSTM 72 71 97 NW5 30.19R TC 22
ILZ079-100>102-151400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 77 72 83 NE12 30.12S TC 25
BELLEVILLE PTSUNNY 79 77 94 N12 30.10 HX 83 TC 26
CAHOKIA* PTSUNNY 80 75 84 NE9 30.11R HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 79 73 83 S3 30.10R HX 82 TC 26
CAIRO* SUNNY 81 76 84 CALM 30.12S HX 86 TC 27
EFFINGHAM* CLOUDY 76 76 99 NW9G18 30.14S TC 25
MT. VERNON PTSUNNY 80 76 87 W5 30.10R HX 86 TC 27
CENTRALIA* PTSUNNY 79 74 85 NW7 30.13R HX 83 TC 26
SALEM* N/A 79 76 90 MISG 30.13R HX 83 TC 26
METROPOLIS* SUNNY 81 75 81 CALM 30.12S HX 87 TC 27
ILZ067-068-072-073-078-083-087-091-151400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 79 76 90 S6 30.09S HX 83 TC 26
FLORA* PTSUNNY 79 N/A N/A N6 30.12R TC 26
FAIRFIELD* PTSUNNY 78 74 87 S5 30.09S HX 81 TC 26
HARRISBURG* MOSUNNY 78 76 94 CALM 30.10S HX 80 TC 26
ROBINSON* PTSUNNY 75 75 100 N14G21 30.12R FOG TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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