957
ASUS43 KLOT 131710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT THU AUG 13 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.
ILZ001-002-007-009-015-016-024-131800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE HVY RAIN 73 72 96 NE18 29.96 FOG TC 23
STERLING* CLOUDY 72 72 100 W5 30.06R THUNDER FOG
SAVANNA* TSTM 73 72 95 W6 30.05R TC 23
ILZ003-004-008-010-011-017-018-131800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD TSTM 73 70 90 NE3 30.01R TC 23
FREEPORT* CLOUDY 72 71 96 CALM 30.04R THUNDER TC 22
ROCHELLE* CLOUDY 72 69 91 CALM 30.00R FOG TC 22
DE KALB* CLOUDY 71 71 100 CALM 30.01R FOG TC 22
PERU* CLOUDY 73 73 100 N3 30.01R TC 23
ILZ005-006-012>014-019>023-131800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 77 70 79 E3 29.97R TC 25
CHICAGO-MIDWAY CLOUDY 77 70 79 SW5 29.97R TC 25
AURORA CLOUDY 74 70 87 S3 29.98R FOG TC 23
JOLIET* CLOUDY 76 73 88 E3 29.97R TC 25
WAUKEGAN CLOUDY 74 70 87 E6 29.99R TC 23
DUPAGE AIRPORT CLOUDY 76 71 85 CALM 29.98R TC 24
KANKAKEE* PTSUNNY 79 72 79 SE6 29.97R HX 82 TC 26
WHEELING CLOUDY 77 70 79 E6 29.99R TC 25
MORRIS* CLOUDY 73 73 100 CALM 29.96R TC 23
NORTHERLY ISL* N/A 75 69 81 E2 N/A TC 24
LMZ740>746-131800-
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 90/ 2/ 4 1015.5 1
WAUKEGAN HARBOR 74 74 80/ 4/ 6 1016.2 1
WILMETTE BUOY 73 130/ 4/ 6 1018.7R 1/ 3
CHICAGO BUOY 74 73 1014.3 1/ 3
HARRISON CRIB 74 130/ 6/ 6 N/A
NORTHERLY ISL 74 120/ 4/ 9 N/A
CALUMET HARBOR 73 180/ 4/ 5 1015.0
MICHIGAN CITY 74 160/ 5/ 6 1013.5R
MICH CITY BUOY 74 73 130/ 2/ 4 N/A 0
ST. JOSEPH BUOY 73 73 180/ 6/ 8 1015.9R 0
ILZ025>027-034>036-040-047-049-050-058-095>099-131800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 79 74 84 N14 29.94R HX 82 TC 26
GALESBURG* RAIN 73 73 100 NW13G18 30.01R TC 23
MACOMB* RAIN 72 72 100 NW10 29.99R VSB 3/4 TC 22
JACKSONVILLE* CLOUDY 84 78 81 SW6 29.91R HX 95 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-131800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 78 75 90 E3 29.96R HX 81 TC 26
BLOOMINGTON CLOUDY 79 76 90 E8 29.95S HX 83 TC 26
DECATUR CLOUDY 87 75 67 SW7 29.92F HX 96 TC 31
PEORIA PTSUNNY 77 73 87 E7 29.91S THUNDER TC 25
LACON* CLOUDY 74 70 87 CALM 29.95R TC 23
LINCOLN* CLOUDY 82 77 84 E3 29.92S HX 90 TC 28
SPRINGFIELD CLOUDY 84 75 74 S6 29.91R HX 92 TC 29
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-131800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 82 76 81 E7 29.95R HX 89 TC 28
DANVILLE* PTSUNNY 83 75 78 E5 29.96S HX 90 TC 28
RANTOUL* PTSUNNY 81 74 79 E7 29.95R HX 87 TC 27
MATTOON PTSUNNY 85 75 72 S7 29.93R HX 93 TC 29
PARIS* PTSUNNY 84 76 76 S5 29.95S HX 92 TC 29
ILZ079-100>102-131800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 88 77 70 W6 29.93R HX 100 TC 31
CAHOKIA* PTSUNNY 89 77 67 VRB3 29.92R HX 101 TC 32
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-131800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 88 75 66 MISG 29.93F HX 97 TC 31
CAIRO* SUNNY 90 78 68 CALM 29.95F HX 104 TC 32
EFFINGHAM* PTSUNNY 84 78 81 S7 29.95F HX 95 TC 29
MT. VERNON CLOUDY 87 77 72 S10 29.94S HX 99 TC 31
CENTRALIA* PTSUNNY 87 78 74 CALM 29.94S HX 99 TC 30
SALEM* N/A 87 79 76 MISG 29.94S HX 101 TC 31
METROPOLIS* MOSUNNY 89 75 62 S5 29.96F HX 99 TC 32
ILZ067-068-072-073-078-083-087-091-131800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 89 75 63 S5 29.92F HX 99 TC 32
FLORA* PTSUNNY 88 77 70 W7 29.93S HX 100 TC 31
FAIRFIELD* PTSUNNY 83 75 75 SW9 29.93S HX 91 TC 29
HARRISBURG* CLOUDY 84 78 80 SW7 29.95S HX 95 TC 29
ROBINSON* MOSUNNY 88 77 70 SW6 29.92F HAZE HX 100
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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