745
ASUS43 KLOT 311803
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-311900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 71 69 93 S16G23 29.81F FOG TC 22
6HR MIN TEMP: 67; 6HR MAX TEMP: 71; 6HR PCP: 0.94;
STERLING* PTSUNNY 68 68 100 E14G22 29.86F FOG TC 20
SAVANNA* HVY RAIN 67 66 95 E10G18 29.85F TC 20
ILZ003-004-008-010-011-017-018-311900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 69 65 86 SE15G26 29.94F TC 21
6HR MIN TEMP: 68; 6HR MAX TEMP: 73; 6HR PCP: 0.09;
FREEPORT* CLOUDY 68 66 95 SE12G18 29.92F TC 20
DE KALB* RAIN 70 67 92 SE10 29.96F TC 21
ILZ005-006-012>014-019>023-311900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 78 62 57 S12G20 29.95F HX 80 TC 26
6HR MIN TEMP: 72; 6HR MAX TEMP: 81; 6HR PCP: TRACE;
CHICAGO-MIDWAY CLOUDY 79 62 56 S13 29.95F HX 80 TC 26
6HR MIN TEMP: 71; 6HR MAX TEMP: 82;
AURORA LGT RAIN 72 68 87 SE7 29.94F FOG TC 22
6HR MIN TEMP: 67; 6HR MAX TEMP: 76; 6HR PCP: 0.04;
JOLIET* LGT RAIN 77 69 75 SE6 29.95F TC 25
WAUKEGAN CLOUDY 75 67 76 SE8 29.95F TC 24
6HR MIN TEMP: 66; 6HR MAX TEMP: 77;
DUPAGE AIRPORT LGT RAIN 74 66 76 SE8 29.94F TC 23
6HR MIN TEMP: 68; 6HR MAX TEMP: 78; 6HR PCP: TRACE;
KANKAKEE* PTSUNNY 77 66 69 S6 29.97F TC 25
WHEELING PTSUNNY 78 61 55 S13 29.96F HX 80 TC 26
6HR MIN TEMP: 70; 6HR MAX TEMP: 81;
LANSING* PTSUNNY 77 64 63 S7 29.97F TC 25
NORTHERLY ISL* N/A 79 60 52 S9 N/A HX 80 TC 26
LMZ740>746-311900-
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 72 110/ 8/ 10 1014.0F 1/ 3
WAUKEGAN HARBOR 73 70 140/ 10/ 14 1014.8F 1/ 3
WILMETTE BUOY 73 130/ 8/ 12 1017.6F 1/ 3
CHICAGO BUOY 77 72 1013.4F 1/ 2
HARRISON CRIB 78 170/ 16/ 17 N/A
NORTHERLY ISL 79 200/ 7/ 13 N/A
CALUMET HARBOR 80 160/ 8/ 10 1014.7F
BURNS HARBOR 1015.6R
MICHIGAN CITY 81 170/ 10/ 13 1013.4R
MICH CITY BUOY 77 74 180/ 8/ 12 N/A 1
ST. JOSEPH BUOY 76 73 180/ 4/ 6 1016.1F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-311900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 76 72 87 S8 29.85F TC 24
GALESBURG* CLOUDY 70 70 100 S13 29.86F FOG TC 21
MACOMB* CLOUDY 73 73 99 S8 29.88F TC 23
JACKSONVILLE* CLOUDY 73 73 100 S8 29.89F TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-311900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLOUDY 70 69 97 S16 29.94F TC 21
DECATUR LGT RAIN 72 68 87 S9 29.95F TC 22
PEORIA LGT RAIN 71 68 90 S17G26 29.89F TC 22
6HR MIN TEMP: 69; 6HR MAX TEMP: 73; 6HR PCP: 0.11;
LACON* CLOUDY 70 65 85 S13 29.89F TC 21
LINCOLN* RAIN 72 72 100 S10 29.92F TC 22
SPRINGFIELD LGT RAIN 71 69 93 S8G21 29.92R TC 22
6HR MIN TEMP: 69; 6HR MAX TEMP: 73; 6HR PCP: 0.05;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 74 67 78 SE10 29.96F TC 23
DANVILLE* CLOUDY 78 64 62 S6 29.99S HX 80 TC 26
MATTOON CLOUDY 77 65 66 S10 29.96F TC 25
ILZ079-100>102-311900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON DRIZZLE 72 70 94 S9 29.93F TC 22
BELLEVILLE DRIZZLE 72 71 97 SW10 29.93S TC 22
CAHOKIA* LGT RAIN 72 70 93 S6 29.93S FOG TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLOUDY 76 74 95 CALM 29.96F TC 24
MT. VERNON LGT RAIN 72 70 93 SW8 29.97F TC 22
CENTRALIA* RAIN 72 70 94 CALM 29.96F TC 22
SALEM* LGT RAIN 73 71 92 MISG 29.95F TC 23
ILZ067-068-072-073-078-083-087-091-311900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 81 63 54 S13 29.98F HX 82 TC 27
FAIRFIELD* PTSUNNY 78 67 69 SE6 29.97F HX 80 TC 26
HARRISBURG* CLOUDY 80 69 67 SW5 29.98F HX 83 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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