614
ASUS43 KLOT 311606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM 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.
ILZ001-002-007-009-015-016-024-311700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 69 67 93 SE13G22 29.83F FOG TC 21
STERLING* PTSUNNY 70 67 90 CALM 29.93R FOG TC 21
SAVANNA* HVY RAIN 67 65 91 SE5 29.90S TC 20
ILZ003-004-008-010-011-017-018-311700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 73 64 73 VRB5 29.96R TC 23
FREEPORT* CLOUDY 71 67 89 SE3 29.95R TC 22
ROCHELLE* LGT RAIN 72 62 72 SE8 29.95R TC 22
DE KALB* CLOUDY 73 65 74 SE13 29.97R TC 23
ILZ005-006-012>014-019>023-311700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 63 57 S14 29.95S HX 80 TC 26
CHICAGO-MIDWAY PTSUNNY 81 63 54 S12G21 29.95F HX 82 TC 27
AURORA CLOUDY 75 65 70 SE7 29.95S TC 24
JOLIET* CLOUDY 77 66 69 S6 29.96S TC 25
WAUKEGAN CLOUDY 76 67 73 SE9 29.96S TC 24
DUPAGE AIRPORT CLOUDY 76 65 68 S9 29.95S TC 24
KANKAKEE* PTSUNNY 78 65 62 S10 29.97S HX 80 TC 26
WHEELING PTSUNNY 80 63 55 S15G24 29.96S HX 81 TC 27
LANSING* PTSUNNY 79 63 58 S12 29.97F HX 80 TC 26
NORTHERLY ISL* N/A 78 67 68 SE8 N/A HX 80 TC 26
LMZ740>746-311700-
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 1014.3F 1
WAUKEGAN HARBOR 72 70 130/ 10/ 12 1015.1F 1
WILMETTE BUOY 73 140/ 10/ 14 1018.0F 1/ 2
CHICAGO BUOY 75 73 1013.6F 1/ 2
HARRISON CRIB 76 130/ 14/ 14 N/A
NORTHERLY ISL 78 100/ 8 N/A
CALUMET HARBOR 80 140/ 10/ 13 1014.7F
BURNS HARBOR 1015.6F
MICHIGAN CITY 79 170/ 10/ 14 1013.6F
MICH CITY BUOY 77 73 170/ 10/ 14 N/A 1
ST. JOSEPH BUOY 76 72 160/ 6/ 8 1016.1F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-311700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 73 71 93 S14 29.87R TC 23
GALESBURG* CLOUDY 69 67 93 S10G16 29.88S TC 21
MACOMB* CLOUDY 71 71 100 CALM 29.90R TC 22
JACKSONVILLE* CLOUDY 71 71 100 S13G21 29.91F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-311700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 77 65 67 S12G18 29.94F TC 25
BLOOMINGTON CLOUDY 75 65 70 S14 29.96S TC 24
DECATUR CLOUDY 76 65 68 S14 29.97R TC 24
PEORIA LGT RAIN 70 66 87 S15 29.91S TC 21
LACON* LGT RAIN 70 64 83 S5 29.92R TC 21
LINCOLN* LGT RAIN 72 68 89 S9 29.94R TC 22
SPRINGFIELD RAIN 70 67 90 S15G23 29.94R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-311700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 75 65 70 S10 29.98S TC 24
DANVILLE* PTSUNNY 81 64 57 SE12G17 30.00S HX 82 TC 27
MATTOON CLOUDY 77 65 66 S7 29.99R TC 25
PARIS* PTSUNNY 79 65 62 S9 30.00S HX 81 TC 26
ILZ079-100>102-311700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 70 68 94 S8 29.96F TC 21
BELLEVILLE HVY RAIN 70 69 97 S8 29.97 FOG TC 21
CAHOKIA* RAIN 70 69 97 S6 29.96F FOG TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-311700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 77 66 69 S7 29.97S TC 25
CAIRO* CLOUDY 82 71 67 S6 29.99S HX 86 TC 28
EFFINGHAM* PTSUNNY 75 68 77 SE5 30.01R TC 24
MT. VERNON PTSUNNY 80 64 58 S7 29.99R HX 82 TC 27
CENTRALIA* RAIN 75 67 77 CALM 30.00R TC 24
SALEM* CLOUDY 76 68 75 MISG 29.99S TC 25
METROPOLIS* PTSUNNY 81 65 58 S6 29.99S HX 83 TC 27
ILZ067-068-072-073-078-083-087-091-311700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 81 63 54 S13 30.00S HX 82 TC 27
FAIRFIELD* PTSUNNY 79 65 64 S7 30.00R HX 80 TC 26
HARRISBURG* PTSUNNY 83 68 60 SE9 29.99S HX 86 TC 28
ROBINSON* PTSUNNY 81 66 61 VRB6 29.99S HX 83 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page