516
ASUS43 KLOT 202007
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-202100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 83 72 69 CALM 29.95F HX 88 TC 28
ILZ003-004-008-010-011-017-018-202100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 76 65 68 E9 30.03R TC 24
ROCHELLE* DRIZZLE 73 66 80 NE8 30.01F TC 23
DE KALB* CLOUDY 73 67 81 E8 30.02S TC 23
PERU* CLOUDY 75 73 93 NE8 29.99S TC 24
ILZ005-006-012>014-019>023-202100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 72 63 73 NE7 30.00R TC 22
CHICAGO-MIDWAY PTSUNNY 78 65 63 N9 29.99S HX 80 TC 26
AURORA CLOUDY 76 67 73 NE8 30.00R TC 24
JOLIET* CLOUDY 75 71 87 CALM 30.00R TC 24
WAUKEGAN CLOUDY 71 62 73 NE7 30.01S TC 22
DUPAGE AIRPORT CLOUDY 74 65 73 NE8 30.01R TC 23
KANKAKEE* CLOUDY 75 73 92 NE7 29.99S TC 24
WHEELING PTSUNNY 72 65 78 NE7 30.02S TC 22
MORRIS* CLOUDY 73 71 93 NE3 29.98S TC 23
ROMEOVILLE* CLOUDY 75 72 88 E5 30.00R TC 24
LANSING* CLOUDY 73 69 86 N8 30.00R TC 23
NORTHERLY ISL* N/A 72 66 81 MISG N/A TC 22
LMZ740>746-202100-
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 69 360/ 10/ 12 1016.1R
WINTHROP HARBOR 68 69 320/ 10/ 14 N/A 2/ 5
WAUKEGAN HARBOR 68 69 330/ 12/ 14 N/A 2/ 4
WILMETTE BUOY 69 30/ 12/ 19 1018.0F 3/ 5
CHICAGO BUOY 71 71 350/ 12/ 14 1016.3R 2/ 3
HARRISON CRIB 76 20/ 13/ 14 N/A
NORTHERLY ISL 72 10/ 8/ 12 N/A
CALUMET HARBOR 72 330/ 9/ 13 1014.7S
BURNS HARBOR 72 20/ 6/ 8 1015.9S
MICHIGAN CITY 74 360/ 12/ 13 1013.8F
MICH CITY BUOY 72 76 350/ 10/ 12 1014.0R 3/ 5
ST. JOSEPH BUOY 73 75 330/ 14/ 16 1016.1S 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-202100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 81 77 88 CALM 29.95F HX 88 TC 27
GALESBURG* PTSUNNY 82 71 69 S5 29.98S HX 87 TC 28
MACOMB* PTSUNNY 82 74 78 CALM 29.99F HX 87 TC 28
JACKSONVILLE* CLOUDY 83 82 96 CALM 29.95F HX 97 TC 28
PITTSFIELD* CLOUDY 85 82 91 S3 29.96S HX 101 TC 29
ILZ028>032-037-038-041>044-048-051>054-059>061-202100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 74 85 NE6 29.97S HX 83 TC 26
BLOOMINGTON CLOUDY 81 75 82 SW12 30.00S HX 87 TC 27
DECATUR CLOUDY 83 76 79 E5 29.97F HX 91 TC 28
PEORIA CLOUDY 82 72 71 W5 29.97S HX 87 TC 28
LACON* CLOUDY 81 72 75 SW3 29.96S HX 85 TC 27
LINCOLN* CLOUDY 81 77 89 CALM 29.98F HX 88 TC 27
SPRINGFIELD CLOUDY 81 77 88 NE3 29.96F HX 88 TC 27
TAYLORVILLE CLOUDY 84 79 84 S7 29.96S HX 96 TC 29
ILZ033-039-045-046-055>057-062-063-202100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* PTSUNNY 82 74 77 S7 29.98F HX 87 TC 28
MATTOON CLOUDY 82 74 76 SE5 29.95F HX 88 TC 28
ILZ079-100>102-202100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 90 77 66 S7 29.95F HX 102 TC 32
BELLEVILLE MOSUNNY 93 77 59 S10 29.93S HX 107 TC 34
CAHOKIA* SUNNY 93 75 55 S10 29.93F HX 104 TC 34
SPARTA* MOSUNNY 93 75 55 SW9 29.97F HX 104 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 90 77 66 SW7 29.96F HX 102 TC 32
CAIRO* MOSUNNY 91 78 66 CALM 29.99S HX 105 TC 33
MARION MOSUNNY 90 77 66 SW12 29.97F HX 102 TC 32
MT. VERNON MOSUNNY 94 79 61 SW9 29.96F HX 111 TC 34
CENTRALIA* MOSUNNY 91 79 66 SW8 29.96F HX 107 TC 33
SALEM* MOSUNNY 91 78 66 SW6 29.96F HX 104 TC 33
METROPOLIS* MOSUNNY 91 75 59 CALM 29.99F HX 100 TC 33
ILZ067-068-072-073-078-083-087-091-202100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 92 78 63 S8 29.94F HX 107 TC 33
FLORA* MOSUNNY 90 79 70 S9 29.95F HX 105 TC 32
FAIRFIELD* MOSUNNY 89 77 65 SW7 29.96F HX 101 TC 32
HARRISBURG* MOSUNNY 91 76 61 SW9 29.97F HX 104 TC 33
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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