774
ASUS43 KLOT 311708
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT FRI JUL 31 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.
ILZ001-002-007-009-015-016-024-311800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 70 68 93 S14 29.82F FOG TC 21
STERLING* PTSUNNY 68 68 100 E9G18 29.90F FOG TC 20
SAVANNA* HVY RAIN 67 65 94 SE15G21 29.87F TC 20
ILZ003-004-008-010-011-017-018-311800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 71 66 84 E5 29.95F TC 22
FREEPORT* CLOUDY 68 67 95 SE8 29.94F TC 20
ROCHELLE* RAIN 69 66 90 SE8 29.95S TC 21
DE KALB* DRIZZLE 71 66 83 SE9 29.97S TC 22
ILZ005-006-012>014-019>023-311800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 62 56 S12G21 29.96R HX 80 TC 26
CHICAGO-MIDWAY CLOUDY 80 61 52 S15G24 29.96R HX 81 TC 27
AURORA PTSUNNY 74 67 78 SE6 29.96R TC 23
JOLIET* PTSUNNY 77 66 69 SE8 29.97R TC 25
WAUKEGAN CLOUDY 75 67 76 SE6 29.96S TC 24
DUPAGE AIRPORT PTSUNNY 75 65 70 S7 29.96R TC 24
KANKAKEE* CLOUDY 78 65 63 E12 29.97S HX 80 TC 26
WHEELING CLOUDY 79 63 57 S13 29.97R HX 80 TC 26
LANSING* CLOUDY 79 64 61 S10 29.97S HX 80 TC 26
NORTHERLY ISL* N/A 80 60 50 S9 N/A HX 81 TC 27
LMZ740>746-311800-
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 72 90/ 8/ 12 1014.4R 1/ 2
WAUKEGAN HARBOR 73 70 130/ 10/ 14 1015.2R 1/ 3
WILMETTE BUOY 73 140/ 10/ 14 1017.8F 1/ 2
CHICAGO BUOY 76 73 1013.6S 1/ 2
HARRISON CRIB 77 140/ 13/ 14 N/A
NORTHERLY ISL 78 140/ 5/ 9 N/A
CALUMET HARBOR 80 160/ 9/ 15 1014.6
BURNS HARBOR 1015.2F
MICHIGAN CITY 80 180/ 12/ 15 1013.2F
MICH CITY BUOY 77 74 180/ 10/ 14 N/A 1/ 2
ST. JOSEPH BUOY 77 73 170/ 6/ 10 1016.2S 1
ILZ025>027-034>036-040-047-049-050-058-095>099-311800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 74 72 93 S9 29.87F TC 23
GALESBURG* CLOUDY 70 67 92 S12 29.88R TC 21
MACOMB* CLOUDY 73 72 98 S10 29.89S TC 23
JACKSONVILLE* CLOUDY 72 72 100 S12 29.91S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-311800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 75 66 71 S9 29.96R TC 24
BLOOMINGTON CLOUDY 71 69 93 S14 29.97R TC 22
DECATUR LGT RAIN 72 66 81 S14 29.96F TC 22
PEORIA CLOUDY 70 68 93 S12G21 29.90F TC 21
LACON* CLOUDY 70 65 82 S12G18 29.91F TC 21
LINCOLN* RAIN 71 71 99 S12G17 29.94S TC 22
SPRINGFIELD RAIN 71 69 93 SE14 29.91F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 77 65 66 S14G23 29.98S TC 25
DANVILLE* CLOUDY 78 64 60 S7 29.99S HX 80 TC 26
MATTOON PTSUNNY 77 65 66 S8 29.97F TC 25
PARIS* PTSUNNY 76 65 68 S8 29.99F TC 24
ILZ079-100>102-311800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 72 70 94 S9 29.94F TC 22
CAHOKIA* LGT RAIN 71 70 96 S7 29.94F TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE RAIN 73 70 88 NW6 30.00R FOG TC 23
CAIRO* CLOUDY 77 73 85 CALM 29.98S TC 25
EFFINGHAM* PTSUNNY 77 69 76 SE7 29.98F TC 25
MT. VERNON LGT RAIN 74 69 85 W6 30.00R TC 23
CENTRALIA* LGT RAIN 71 69 93 CALM 30.00S TC 22
SALEM* LGT RAIN 74 71 91 MISG 29.99S TC 23
METROPOLIS* PTSUNNY 82 66 58 S5 29.98F HX 84 TC 28
ILZ067-068-072-073-078-083-087-091-311800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 81 62 52 S13 29.99F HX 82 TC 27
FAIRFIELD* PTSUNNY 77 66 68 S6 29.99S TC 25
HARRISBURG* CLOUDY 80 68 67 S5 29.99S HX 83 TC 27
ROBINSON* PTSUNNY 79 64 61 S12 29.98F HX 81 TC 26
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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