Regional Weather Roundup
Issued by NWS
Issued by NWS
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920
ASUS43 KLOT 261602
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT SAT JUL 26 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.
ILZ001-002-007-009-015-016-024-261700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 73 71 93 SE8 29.97F TC 23
$$
ILZ003-004-008-010-011-017-018-261700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 75 71 87 S8 30.03R TC 24
ROCHELLE* LGT RAIN 73 71 94 SW6 30.03S TC 23
PERU* LGT RAIN 74 74 100 S3 30.02S TC 23
$$
ILZ005-006-012>014-019>023-261700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 77 71 82 SW7 30.00F TC 25
CHICAGO-MIDWAY TSTM 78 70 76 W10 30.01S HX 80 TC 26
AURORA LGT RAIN 75 71 87 W6 30.02R TC 24
JOLIET* CLOUDY 76 72 86 CALM 30.02F TC 25
WAUKEGAN CLOUDY 79 71 76 W8 29.99S HX 82 TC 26
DUPAGE AIRPORT LGT RAIN 76 70 82 SW8 30.01S TC 24
KANKAKEE* CLOUDY 82 78 89 SW8 30.02F HX 90 TC 28
WHEELING PTSUNNY 80 70 71 SW7 30.01F HX 83 TC 27
MORRIS* LGT RAIN 74 71 91 W3 30.02S TC 23
ROMEOVILLE* DRIZZLE 75 75 100 SW6 30.03R TC 24
LANSING* PTSUNNY 76 75 96 SW5 30.02F TC 25
NORTHERLY ISL* N/A 80 67 64 W6 N/A HX 82 TC 27
$$
LMZ740>746-261700-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 73 72 190/ 6/ 8 1015.5S
WINTHROP HARBOR 73 72 180/ 8/ 10 N/A 1
WAUKEGAN HARBOR 74 72 130/ 4/ 6 N/A 1
WILMETTE BUOY 77 290/ 10/ 12 1018.8S 1/ 4
HARRISON CRIB 86 260/ 11/ 12 N/A
NORTHERLY ISL 79 210/ 8/ 9 N/A
CALUMET HARBOR 80 230/ 4/ 8 1015.1
BURNS HARBOR 77 210/ 4/ 6 1017.3R
MICHIGAN CITY 77 190/ 4/ 5 1015.0S
MICH CITY BUOY 77 77 190/ 4/ 6 1015.0S 1
ST. JOSEPH BUOY 77 77 180/ 10/ 12 1017.2F 1/ 3
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-261700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 77 72 84 E6 30.02R TC 25
GALESBURG* PTSUNNY 72 72 100 S7 30.02F TC 22
MACOMB* LGT RAIN 73 72 96 CALM 30.05R TC 23
PITTSFIELD* CLOUDY 78 78 98 CALM 30.04S HX 81 TC 26
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-261700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 78 74 87 S5 30.02F HX 81 TC 26
BLOOMINGTON CLOUDY 80 78 94 S8 30.04F HX 88 TC 27
DECATUR PTSUNNY 88 79 74 S13 30.03F HX 103 TC 31
PEORIA LGT RAIN 76 74 93 CALM 30.01S TC 24
LACON* PTSUNNY 73 70 90 CALM 29.99F TC 23
LINCOLN* CLOUDY 81 80 95 NW6 30.02F HX 92 TC 27
SPRINGFIELD HVY RAIN 81 78 91 SW8 30.02R VSB 3/4 HX 89
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-261700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 86 79 79 SW10 30.05R HX 99 TC 30
RANTOUL* CLOUDY 83 78 83 SW8 30.05S HX 93 TC 29
MATTOON MOSUNNY 86 77 74 SW8 30.04R HX 97 TC 30
$$
ILZ079-100>102-261700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 88 77 70 S6 30.03R HX 100 TC 31
BELLEVILLE MOSUNNY 89 80 76 SW9 30.01R HX 105 TC 31
CAHOKIA* SUNNY 89 78 70 SW7 30.02R HX 103 TC 32
SPARTA* PTSUNNY 89 78 72 S9 30.06R HX 103 TC 31
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-261700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 86 77 74 S12 30.06R HX 97 TC 30
CAIRO* MOSUNNY 87 79 77 S6 30.08S HX 100 TC 30
EFFINGHAM* MOSUNNY 87 80 78 S6 30.06S HX 102 TC 31
MARION PTSUNNY 86 79 79 S9 30.07R HX 99 TC 30
MT. VERNON MOSUNNY 90 79 70 S10 30.06R HX 106 TC 32
CENTRALIA* PTSUNNY 88 79 74 SW5 30.05R HX 102 TC 31
SALEM* PTSUNNY 88 78 73 SW7 30.05R HX 102 TC 31
METROPOLIS* CLOUDY 85 76 74 CALM 30.09S HX 94 TC 29
$$
ILZ067-068-072-073-078-083-087-091-261700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 90 78 68 SW10 30.06S HX 104 TC 32
FLORA* MOSUNNY 86 79 79 S10 30.06R HX 99 TC 30
FAIRFIELD* PTSUNNY 86 77 75 S7 30.06S HX 97 TC 30
HARRISBURG* PTSUNNY 86 77 74 S7 30.07S HX 97 TC 30
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$