Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 042003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT FRI JUL 04 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-042100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 90 69 50 S10 30.04S HX 94 TC 32
$$
ILZ003-004-008-010-011-017-018-042100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 89 68 49 S12 30.07F HX 93 TC 32
ROCHELLE* MOSUNNY 88 69 53 S15 30.08S HX 92 TC 31
PERU* PTSUNNY 91 71 50 S6 30.07S HX 97 TC 33
$$
ILZ005-006-012>014-019>023-042100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 87 70 56 S9 30.07F HX 92 TC 31
CHICAGO-MIDWAY PTSUNNY 87 68 52 S8 30.07F HX 90 TC 31
AURORA MOSUNNY 90 69 50 S9G18 30.08S HX 94 TC 32
JOLIET* MOSUNNY 92 68 45 SW10G16 30.07F HX 96 TC 34
WAUKEGAN PTSUNNY 86 71 60 SW8 30.07S HX 91 TC 30
DUPAGE AIRPORT PTSUNNY 87 69 54 SW6 30.08S HX 91 TC 31
KANKAKEE* MOSUNNY 89 67 48 CALM 30.10S HX 92 TC 32
WHEELING PTSUNNY 86 71 60 S10 30.08F HX 91 TC 30
MORRIS* MOSUNNY 90 71 52 S7 30.07S HX 96 TC 32
ROMEOVILLE* MOSUNNY 90 70 51 S6 30.08F HX 95 TC 32
LANSING* PTSUNNY 86 69 57 S5 30.09F HX 89 TC 30
NORTHERLY ISL* N/A 78 71 79 CALM N/A HX 80 TC 26
$$
LMZ740>746-042100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 74 71 190/ 10/ 10 1018.0F
WAUKEGAN HARBOR 75 73 150/ 8/ 12 N/A 1/ 3
WILMETTE BUOY 76 160/ 10/ 12 1020.9F 1/ 3
CHICAGO BUOY 76 75 120/ 4/ 6 1018.8F 1/ 3
HARRISON CRIB 87 150/ 6/ 7 N/A
NORTHERLY ISL 77 100/ 2/ 8 N/A
CALUMET HARBOR 84 190/ 5/ 7 1017.5F
BURNS HARBOR 85 150/ 3/ 5 1019.3F
MICHIGAN CITY 82 150/ 9/ 10 1017.1F
MICH CITY BUOY 78 77 150/ 6/ 8 1017.4F 1/ 3
ST. JOSEPH BUOY 76 74 CALM 1019.9R 1/ 3
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-042100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 88 70 55 S9 30.06F HX 93 TC 31
GALESBURG* MOSUNNY 88 68 51 S12 30.08S HX 91 TC 31
MACOMB* PTSUNNY 88 71 57 S6 30.09S HX 93 TC 31
PITTSFIELD* SUNNY 88 72 59 S5 30.08F HX 95 TC 31
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-042100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 91 64 40 S6 30.09R HX 92 TC 33
BLOOMINGTON SUNNY 91 67 44 S9 30.10S HX 94 TC 33
DECATUR MOSUNNY 92 67 43 S7 30.08F HX 95 TC 33
PEORIA SUNNY 93 67 42 S12 30.07S HX 96 TC 34
LACON* MOSUNNY 91 64 41 SW8 30.06R HX 92 TC 33
LINCOLN* SUNNY 92 67 44 S8 30.07F HX 95 TC 33
SPRINGFIELD MOSUNNY 89 68 49 SW7 30.07F HX 93 TC 32
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-042100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 91 67 44 SW7 30.10S HX 94 TC 33
RANTOUL* MOSUNNY 88 66 48 S8 30.10S HX 90 TC 31
MATTOON MOSUNNY 88 68 51 VRB3 30.09S HX 91 TC 31
$$
ILZ079-100>102-042100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 91 64 40 S12 30.07F HX 93 TC 33
BELLEVILLE MOSUNNY 91 66 43 SE10 30.05F HX 94 TC 33
CAHOKIA* SUNNY 94 62 34 SW10 30.06F HX 94 TC 34
SPARTA* PTSUNNY 92 63 37 S6 30.09S HX 93 TC 33
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-042100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 90 67 46 SE6 30.08F HX 93 TC 32
CAIRO* MOSUNNY 91 69 49 CALM 30.08F HX 95 TC 33
EFFINGHAM* MOSUNNY 91 68 47 SE6 30.10F HX 95 TC 33
MARION MOSUNNY 90 70 51 S5 30.09F HX 95 TC 32
MT. VERNON SUNNY 92 66 42 VRB5 30.09F HX 94 TC 33
CENTRALIA* MOSUNNY 90 67 46 CALM 30.08F HX 93 TC 32
SALEM* SUNNY 92 66 42 CALM 30.09S HX 94 TC 33
METROPOLIS* SUNNY 90 65 42 CALM 30.09S HX 92 TC 32
$$
ILZ067-068-072-073-078-083-087-091-042100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 92 65 40 SE8 30.09F HX 94 TC 33
FLORA* SUNNY 91 63 38 CALM 30.09S HX 92 TC 33
FAIRFIELD* PTSUNNY 90 64 41 S5 30.08F HX 91 TC 32
HARRISBURG* MOSUNNY 90 67 46 SW5 30.09S HX 93 TC 32
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$