877
ASUS43 KLOT 151406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-151500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 74 73 97 CALM 30.02R TC 23
STERLING* CLOUDY 74 74 100 SE5 30.04S TC 23
ILZ003-004-008-010-011-017-018-151500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 73 70 90 E7 30.06F TC 23
ROCHELLE* LGT RAIN 72 70 94 SE7 30.06F TC 22
DE KALB* DRIZZLE 72 72 100 SE8 30.08F TC 22
PERU* CLOUDY 73 73 100 S6 30.04F TC 23
ILZ005-006-012>014-019>023-151500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 75 71 87 S5 30.07F TC 24
CHICAGO-MIDWAY CLOUDY 74 71 91 S9 30.08S TC 23
AURORA HVY RAIN 71 71 100 SE6 30.07F VSB 1/2 TC 22
JOLIET* LGT RAIN 74 74 100 CALM 30.08F TC 23
WAUKEGAN CLOUDY 74 72 93 SE8 30.08F TC 23
DUPAGE AIRPORT LGT RAIN 73 72 96 SE6 30.07F TC 23
KANKAKEE* RAIN 71 70 95 S6 30.10F TC 22
WHEELING CLOUDY 76 71 85 SE6 30.09F TC 24
ROMEOVILLE* LGT RAIN 73 73 100 S5 30.09F FOG TC 23
LANSING* N/A N/A N/A N/A MISG N/A
NORTHERLY ISL* N/A 74 69 85 S7 N/A TC 23
LMZ740>746-151500-
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 74 100/ 8/ 12 1019.2R 2/ 4
WAUKEGAN HARBOR 74 74 100/ 6/ 12 1018.9F 2/ 5
WILMETTE BUOY 74 140/ 10/ 12 1021.8F 2/ 5
CHICAGO BUOY 74 73 1017.9F 2/ 5
HARRISON CRIB 74 140/ 9/ 10 N/A
NORTHERLY ISL 73 170/ 5/ 7 N/A
CALUMET HARBOR 74 160/ 6/ 8 1019.1
MICHIGAN CITY 73 140/ 6/ 7 1018.2F
MICH CITY BUOY 73 73 150/ 8/ 12 N/A 2/ 5
ST. JOSEPH BUOY 74 74 150/ 10/ 12 1020.3R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-151500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 75 73 93 S10 30.04S TC 24
GALESBURG* DRIZZLE 72 72 100 S9 30.06R TC 22
MACOMB* LGT RAIN 73 73 100 S7 30.08S TC 23
JACKSONVILLE* CLOUDY N/A N/A N/A SE8 30.06F
ILZ028>032-037-038-041>044-048-051>054-059>061-151500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 72 72 100 S5 30.08F TC 22
BLOOMINGTON LGT RAIN 72 32 23 SE6 30.09F TC 22
DECATUR LGT RAIN 73 72 96 S6 30.10F TC 23
PEORIA LGT RAIN 72 72 100 SW6 30.06R TC 22
LACON* LGT RAIN 72 70 94 S5 30.04S TC 22
LINCOLN* LGT RAIN 73 73 100 S6 30.06F TC 23
SPRINGFIELD PTSUNNY 73 72 96 S10 30.08F TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-151500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 71 71 100 S6 30.11F TC 22
MATTOON PTSUNNY 74 71 91 CALM 30.14F TC 23
PARIS* CLOUDY 72 71 97 CALM 30.15F TC 22
ILZ079-100>102-151500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 77 72 83 N5 30.14R TC 25
BELLEVILLE PTSUNNY 80 77 91 NE3 30.12R HX 85 TC 27
CAHOKIA* PTSUNNY 81 72 74 E6 30.13R HX 85 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 82 73 74 W6 30.12R HX 88 TC 28
CAIRO* SUNNY 83 76 80 CALM 30.13R HX 92 TC 29
EFFINGHAM* PTSUNNY 76 74 96 NE6 30.16S TC 24
MT. VERNON PTSUNNY 80 75 84 NE10 30.13R HX 85 TC 27
CENTRALIA* PTSUNNY 80 74 80 CALM 30.14R HX 84 TC 27
SALEM* N/A 80 75 86 MISG 30.13F HX 84 TC 26
METROPOLIS* SUNNY 85 73 66 SW5 30.13R HX 91 TC 30
ILZ067-068-072-073-078-083-087-091-151500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 82 77 84 N9 30.12R HX 90 TC 28
FLORA* CLOUDY 79 77 94 N8 30.13R HX 83 TC 26
HARRISBURG* PTSUNNY 82 76 83 SW3 30.11R HX 88 TC 28
ROBINSON* CLOUDY 77 75 94 N12G18 30.14R FOG TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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