Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 010401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT SUN AUG 31 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.
ILZ001-002-007-009-015-016-024-010500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 59 57 93 CALM 30.23R TC 15
STERLING* CLEAR 57 55 93 E3 30.26R TC 14
$$
ILZ003-004-008-010-011-017-018-010500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 62 54 74 E6 30.28R TC 17
FREEPORT* CLEAR 55 54 94 CALM 30.28 TC 13
$$
ILZ005-006-012>014-019>023-010500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 64 55 72 NE3 30.25S TC 18
CHICAGO-MIDWAY PTCLDY 68 55 63 E5 30.26R TC 20
AURORA CLEAR 60 54 80 NE6 30.26R TC 16
JOLIET* CLEAR 62 57 83 CALM 30.26S TC 17
WAUKEGAN PTCLDY 56 52 86 CALM 30.26R TC 13
DUPAGE AIRPORT CLEAR 60 54 80 N3 30.26R TC 16
WHEELING CLEAR 61 56 83 CALM 30.27S TC 16
MORRIS* CLEAR 59 57 92 CALM 30.25R TC 15
LANSING* CLEAR 57 56 96 CALM 30.26S TC 14
$$
LMZ740>746-010500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 68 71 50/ 12/ 14 1025.0R
HARRISON CRIB 70 70/ 11/ 12 N/A
NORTHERLY ISL 68 40/ 8/ 8 N/A
CALUMET HARBOR 69 50/ 6/ 9 1023.4R
BURNS HARBOR 70 50/ 7/ 8 1024.7S
MICHIGAN CITY 65 80/ 6/ 8 1023.4R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-010500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 65 57 75 E5 30.21S TC 18
MACOMB* PTCLDY 57 55 94 CALM 30.25S TC 14
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-010500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 61 55 81 E5 30.25R TC 16
DECATUR CLEAR 59 53 80 CALM 30.22S TC 15
PEORIA PTCLDY 61 55 81 NE3 30.24R TC 16
LACON* CLEAR 57 54 88 CALM 30.24R TC 14
LINCOLN* PTCLDY 60 54 81 NE5 30.23S TC 15
SPRINGFIELD PTCLDY 59 54 83 NE6 30.22R TC 15
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-010500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 64 52 64 NE7 30.23R TC 18
DANVILLE* CLEAR 59 53 78 NE7 30.24S TC 15
RANTOUL* CLEAR 62 52 69 NE5 30.23S TC 17
MATTOON CLEAR 59 52 77 CALM 30.20S TC 15
PARIS* CLEAR 54 50 87 CALM 30.22S TC 12
$$
ILZ079-100>102-010500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 60 56 84 CALM 30.20S TC 16
CAHOKIA* PTCLDY 61 56 83 CALM 30.18S TC 16
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 63 52 67 NE6 30.17S TC 17
CAIRO* PTCLDY 65 55 70 NE5 30.15S TC 19
MARION CLEAR 58 51 76 N3 30.18S TC 15
MT. VERNON CLEAR 54 52 93 CALM 30.19S TC 12
CENTRALIA* PTCLDY 54 49 83 CALM 30.19S TC 12
SALEM* PTCLDY 55 49 82 CALM 30.19F TC 13
METROPOLIS* PTCLDY 66 49 54 N3 30.15S TC 19
$$
ILZ067-068-072-073-078-083-087-091-010500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 61 54 77 N3 30.18S TC 16
FLORA* CLEAR 61 55 82 N3 30.19F TC 16
FAIRFIELD* CLEAR 57 53 86 CALM 30.18S TC 14
HARRISBURG* CLEAR 62 53 72 N6 30.17S TC 17
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$