Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 200908
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT SUN JUL 20 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.
ILZ001-002-007-009-015-016-024-201000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 76 75 97 CALM 29.88F FOG TC 24
$$
ILZ003-004-008-010-011-017-018-201000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 72 68 87 NE3 29.92F TC 22
ROCHELLE* MOCLDY 68 66 94 CALM 29.92F FOG TC 20
DE KALB* MOCLDY 71 71 100 NE5 29.93F TC 21
PERU* CLOUDY 72 71 96 CALM 29.89F TC 22
$$
ILZ005-006-012>014-019>023-201000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 73 70 90 N9 29.91F TC 23
CHICAGO-MIDWAY PTCLDY 75 70 84 NW5 29.91S TC 24
AURORA MOCLDY 70 68 93 CALM 29.91F TC 21
JOLIET* PTCLDY 71 71 100 CALM 29.91F TC 21
WAUKEGAN CLOUDY 69 66 90 NE9 29.93F TC 21
DUPAGE AIRPORT MOCLDY 73 69 87 CALM 29.91F TC 23
KANKAKEE* PTCLDY 69 67 94 CALM 29.92F TC 21
WHEELING CLOUDY 71 69 93 NE8 29.94S TC 22
MORRIS* PTCLDY 70 70 100 CALM 29.90F TC 21
ROMEOVILLE* CLOUDY 73 73 100 CALM 29.92F TC 23
LANSING* PTCLDY 69 69 100 CALM 29.92F TC 21
NORTHERLY ISL* N/A 71 67 87 N14 N/A TC 22
$$
LMZ740>746-201000-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-201000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 77 74 90 SW8 29.87F TC 25
GALESBURG* RAIN 75 75 100 SE3 29.91R TC 24
MACOMB* LGT RAIN 75 75 100 SE3 29.89F TC 24
JACKSONVILLE* MOCLDY 76 75 98 S5 29.90S TC 25
PITTSFIELD* MOCLDY 79 76 90 W9 29.92R HX 84 TC 26
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-201000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 72 71 97 CALM 29.91F TC 22
BLOOMINGTON MOCLDY 73 73 100 SE3 29.92F TC 23
DECATUR MOCLDY 76 74 93 SE5 29.92F TC 24
PEORIA MOCLDY 76 75 97 CALM 29.89F TC 24
LACON* CLOUDY 75 73 93 SE3 29.88F TC 24
LINCOLN* MOCLDY 74 74 100 S3 29.91F TC 23
SPRINGFIELD MOCLDY 75 74 96 S7 29.90F TC 24
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-201000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
RANTOUL* MOCLDY 72 72 99 S3 29.93F TC 22
MATTOON FOG 73 73 100 SE6 29.93F VSB 1/2 TC 23
$$
ILZ079-100>102-201000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 78 74 88 SW5 29.93F HX 81 TC 26
BELLEVILLE MOCLDY 77 75 95 CALM 29.91F TC 25
CAHOKIA* CLOUDY 80 73 79 SW5 29.92F HX 84 TC 27
SPARTA* PTCLDY 81 77 88 SW3 29.96F HX 87 TC 27
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 79 76 88 CALM 29.99S HX 84 TC 26
EFFINGHAM* MOCLDY 72 72 100 E3 29.96F FOG TC 22
MARION PTCLDY 75 74 95 S6 29.97F TC 24
MT. VERNON PTCLDY 75 75 100 CALM 29.95F TC 24
CENTRALIA* PTCLDY 78 77 97 SW5 29.95F TC 25
SALEM* CLOUDY 78 77 95 SW6 29.94F HX 82 TC 26
METROPOLIS* CLEAR 78 77 97 CALM 29.99S HX 80 TC 26
$$
ILZ067-068-072-073-078-083-087-091-201000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 72 72 100 CALM 29.95F TC 22
FLORA* MOCLDY 75 N/A N/A S5 29.95F TC 24
FAIRFIELD* CLEAR 73 73 98 CALM 29.95F TC 23
HARRISBURG* CLEAR 75 74 96 S3 29.97S FOG TC 24
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$