384
ASUS43 KLOT 202109
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT SUN JUL 20 2025
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.
ILZ001-002-007-009-015-016-024-202200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 84 72 67 W6 29.95S HX 89 TC 29
ILZ003-004-008-010-011-017-018-202200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 77 64 64 E8 30.02F TC 25
ROCHELLE* CLOUDY 75 68 78 E9 30.00F TC 24
DE KALB* CLOUDY 73 67 80 E9 30.02S TC 23
PERU* CLOUDY 76 73 90 NE8 29.99S TC 25
ILZ005-006-012>014-019>023-202200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 72 64 76 NE13 30.00S TC 22
CHICAGO-MIDWAY PTSUNNY 76 64 66 NE7 30.00R TC 24
AURORA CLOUDY 74 67 78 NE9 29.99F TC 23
JOLIET* CLOUDY 76 72 86 CALM 29.99S TC 25
WAUKEGAN PTSUNNY 72 60 66 NE6 30.02R TC 22
DUPAGE AIRPORT CLOUDY 74 64 71 NE10 30.00F TC 23
KANKAKEE* CLOUDY 76 73 88 NE6 29.99F TC 25
WHEELING CLOUDY 72 65 78 N7 30.04R TC 22
MORRIS* CLOUDY 74 72 93 CALM 29.98S TC 23
ROMEOVILLE* CLOUDY 77 72 83 NE8 30.00S TC 25
LANSING* CLOUDY 73 69 86 NE3 30.00F TC 23
NORTHERLY ISL* N/A 70 65 84 N7 N/A TC 21
LMZ740>746-202200-
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)
S. MID LAKE BUOY 67 70 360/ 12/ 14 1016.0R
WINTHROP HARBOR 68 69 310/ 10/ 14 N/A 2/ 5
WAUKEGAN HARBOR 68 69 320/ 10/ 14 N/A 2/ 3
WILMETTE BUOY 69 10/ 10/ 14 1018.5R 3/ 5
CHICAGO BUOY 70 71 350/ 10/ 14 1016.4R 2/ 5
HARRISON CRIB 75 360/ 11/ 12 N/A
NORTHERLY ISL 71 360/ 6/ 12 N/A
CALUMET HARBOR 72 340/ 8/ 13 1015.2
BURNS HARBOR 72 360/ 5/ 6 1016.6R
MICHIGAN CITY 74 350/ 9/ 10 1014.1R
MICH CITY BUOY 72 76 350/ 8/ 12 1014.1R 3/ 5
ST. JOSEPH BUOY 73 75 330/ 12/ 16 1016.1S 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-202200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 81 78 91 E3 29.94F HX 89 TC 27
GALESBURG* PTSUNNY 83 70 63 CALM 29.97F HX 87 TC 29
MACOMB* CLOUDY 82 75 79 SE3 29.98F HX 89 TC 28
JACKSONVILLE* PTSUNNY 82 81 98 NE5 29.94F HX 94 TC 28
PITTSFIELD* CLOUDY 85 83 94 CALM 29.95S HX 103 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-202200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 75 87 E5 29.97F HX 82 TC 26
BLOOMINGTON PTSUNNY 80 75 84 SW8 29.99F HX 85 TC 27
DECATUR LGT RAIN 82 76 81 NE6 29.97S HX 89 TC 28
PEORIA CLOUDY 83 72 69 SW6 29.96F HX 88 TC 28
LACON* PTSUNNY 81 73 74 SW6 29.95S HX 86 TC 27
LINCOLN* CLOUDY 81 77 87 NE3 29.97S HX 88 TC 27
SPRINGFIELD PTSUNNY 80 77 90 NE7 29.95F HX 87 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-202200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* CLOUDY 80 73 78 W6 29.98S HX 84 TC 27
MATTOON CLOUDY 83 75 77 NE3 29.95S HX 90 TC 28
ILZ079-100>102-202200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 91 75 59 SW7 29.93F HX 102 TC 33
BELLEVILLE MOSUNNY 94 76 56 SW13 29.91F HX 107 TC 34
SPARTA* MOSUNNY 94 74 53 S8 29.96F HX 104 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 91 79 66 S9 29.95F HX 107 TC 33
CAIRO* MOSUNNY 91 78 66 SW7 29.97F HX 106 TC 33
EFFINGHAM* PTSUNNY 87 79 76 S6 29.96F HX 101 TC 31
MARION MOSUNNY 91 75 59 SW12 29.96F HX 102 TC 33
MT. VERNON MOSUNNY 91 78 65 S13 29.95F HX 106 TC 33
CENTRALIA* MOSUNNY 91 78 65 SW8 29.95S HX 106 TC 33
SALEM* MOSUNNY 91 79 67 S7 29.94F HX 107 TC 33
METROPOLIS* MOSUNNY 90 75 60 CALM 29.98F HX 100 TC 32
ILZ067-068-072-073-078-083-087-091-202200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 94 80 64 SW12 29.93F HX 113 TC 34
FLORA* MOSUNNY 91 79 66 SW7 29.94F HX 107 TC 33
FAIRFIELD* MOSUNNY 90 75 62 SW10 29.94F HX 100 TC 32
HARRISBURG* PTSUNNY 91 77 63 SW7 29.96F HX 103 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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