956
ASUS43 KLOT 202207
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-202300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 83 72 69 SE3 29.94F HX 88 TC 28
ILZ003-004-008-010-011-017-018-202300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 76 64 66 NE5 30.02S TC 24
ROCHELLE* CLOUDY 73 66 79 E6 30.02R TC 23
DE KALB* CLOUDY 73 65 78 NE8 30.02S TC 23
PERU* CLOUDY 75 73 91 NE9 29.99R TC 24
ILZ005-006-012>014-019>023-202300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 73 63 70 N10 30.00S TC 23
CHICAGO-MIDWAY PTSUNNY 75 64 68 NE10 29.99F TC 24
AURORA LGT RAIN 75 66 73 NE8 30.00R TC 24
JOLIET* CLOUDY 77 70 78 CALM 29.99S TC 25
WAUKEGAN CLOUDY 73 61 65 NE6 30.02S TC 23
DUPAGE AIRPORT CLOUDY 75 63 66 NE8 30.00S TC 24
KANKAKEE* CLOUDY 76 73 90 NE7 29.99S TC 24
WHEELING PTSUNNY 73 63 70 NE6 30.02F TC 23
MORRIS* RAIN 73 73 100 E3 29.99R TC 23
ROMEOVILLE* CLOUDY 77 70 78 NE12 30.01R TC 25
LANSING* PTSUNNY 73 68 83 N8 30.01R TC 23
NORTHERLY ISL* N/A 70 64 81 N12 N/A TC 21
LMZ740>746-202300-
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 68 70 340/ 14/ 14 1016.3R 2/ 5
WINTHROP HARBOR 68 69 310/ 12/ 16 N/A 2/ 5
WAUKEGAN HARBOR 68 69 310/ 10/ 14 N/A 2/ 3
WILMETTE BUOY 69 40/ 14/ 17 1018.3F 2/ 5
CHICAGO BUOY 70 71 350/ 12/ 16 1016.4S 2/ 5
HARRISON CRIB 75 360/ 16/ 18 N/A
NORTHERLY ISL 69 360/ 8/ 9 N/A
CALUMET HARBOR 70 340/ 9/ 14 1014.9S
BURNS HARBOR 72 10/ 7/ 8 1016.3F
MICHIGAN CITY 73 340/ 12/ 13 1014.5R
MICH CITY BUOY 72 76 340/ 10/ 14 1014.4R 3/ 5
ST. JOSEPH BUOY 72 75 320/ 14/ 17 1016.4R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-202300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 81 78 91 CALM 29.94S HX 89 TC 27
GALESBURG* PTSUNNY 84 71 65 CALM 29.97S HX 88 TC 29
MACOMB* PTSUNNY 84 76 77 CALM 29.97S HX 93 TC 29
JACKSONVILLE* PTSUNNY 82 81 98 NE5 29.93S HX 93 TC 28
PITTSFIELD* PTSUNNY 84 83 95 CALM 29.94F HX 102 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-202300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC HVY RAIN 76 74 93 E9 29.97S TC 25
BLOOMINGTON PTSUNNY 81 75 82 SW7 29.97F HX 87 TC 27
DECATUR PTSUNNY 82 76 81 NE8 29.95F HX 89 TC 28
PEORIA PTSUNNY 84 73 69 SW5 29.95F HX 90 TC 29
LACON* PTSUNNY 81 72 74 N5 29.95S HX 85 TC 27
LINCOLN* PTSUNNY 83 76 80 N5 29.95F HX 90 TC 28
SPRINGFIELD CLOUDY 81 77 88 NE6 29.94F HX 88 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-202300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 82 72 69 NW6 29.97F HX 87 TC 28
RANTOUL* CLOUDY 79 73 79 SW5 29.96F HX 83 TC 26
MATTOON LGT RAIN 81 76 84 NE9 29.93F HX 87 TC 27
ILZ079-100>102-202300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 91 75 59 SW8 29.92F HX 102 TC 33
BELLEVILLE MOSUNNY 94 77 58 W12 29.90F HX 107 TC 34
CAHOKIA* SUNNY 94 73 50 S8G20 29.91 HX 103 TC 34
SPARTA* MOSUNNY 94 74 52 SW8 29.95F HX 103 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 90 77 66 S13 29.94F HX 102 TC 32
CAIRO* MOSUNNY 91 77 63 SW7 29.97S HX 104 TC 33
EFFINGHAM* MOSUNNY 87 80 79 CALM 29.95S HX 103 TC 31
MARION MOSUNNY 90 75 62 SW9 29.95F HX 100 TC 32
MT. VERNON PTSUNNY 93 79 63 SW9 29.93F HX 110 TC 34
CENTRALIA* MOSUNNY 91 77 63 SW10 29.93 HX 105 TC 33
SALEM* MOSUNNY 91 77 61 SW12 29.92F HX 104 TC 33
METROPOLIS* MOSUNNY 91 74 57 SW3 29.98R HX 100 TC 33
ILZ067-068-072-073-078-083-087-091-202300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 93 78 61 SW12 29.92F HX 108 TC 34
FLORA* MOSUNNY 91 79 66 SW12 29.92F HX 107 TC 33
FAIRFIELD* MOSUNNY 90 76 63 SW9 29.93F HX 101 TC 32
HARRISBURG* MOSUNNY 90 75 62 SW6 29.96S HX 100 TC 32
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