099
ASUS43 KLOT 171608
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT SUN AUG 17 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.
ILZ001-002-007-009-015-016-024-171700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 82 77 84 S6 30.04F HX 90 TC 28
STERLING* MOSUNNY 84 77 79 SW6 30.07S HX 94 TC 29
ILZ003-004-008-010-011-017-018-171700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 79 73 82 E5 30.10S HX 82 TC 26
ROCHELLE* MOSUNNY 81 72 74 CALM 30.09S HX 85 TC 27
DE KALB* MOSUNNY 80 73 80 CALM 30.10S HX 83 TC 26
PERU* MOSUNNY 83 76 78 S7 30.07S HX 92 TC 29
ILZ005-006-012>014-019>023-171700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 80 72 76 NE9 30.08F HX 84 TC 27
CHICAGO-MIDWAY PTSUNNY 82 72 71 N6 30.08F HX 87 TC 28
AURORA MOSUNNY 82 73 74 VRB3 30.08F HX 87 TC 28
JOLIET* PTSUNNY 80 74 82 CALM 30.09F HX 84 TC 27
WAUKEGAN PTSUNNY 78 70 76 NE8 30.10S HX 80 TC 26
DUPAGE AIRPORT MOSUNNY 81 73 76 NE7 30.08F HX 86 TC 27
KANKAKEE* PTSUNNY 79 72 78 CALM 30.09S HX 82 TC 26
WHEELING MOSUNNY 81 72 74 NE7 30.10S HX 85 TC 27
MORRIS* MOSUNNY 79 74 85 CALM 30.07F HX 82 TC 26
ROMEOVILLE* SUNNY 81 75 83 NE5 30.10F HX 86 TC 27
LANSING* PTSUNNY 78 73 84 N3 30.10S HX 81 TC 26
NORTHERLY ISL* N/A 79 72 79 NW5 N/A HX 82 TC 26
LMZ740>746-171700-
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>099-171700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 88 76 67 NE3 30.05S HX 99 TC 31
GALESBURG* SUNNY 83 74 75 S9 30.07F HX 89 TC 28
MACOMB* MOSUNNY 83 76 80 SE9 30.09R HX 92 TC 29
JACKSONVILLE* MOSUNNY 82 73 72 SE13G20 30.08S HX 88 TC 28
PITTSFIELD* PTSUNNY 87 76 69 CALM 30.08R HX 96 TC 30
ILZ028>032-037-038-041>044-048-051>054-059>061-171700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 81 74 79 SE3 30.08S HX 87 TC 27
BLOOMINGTON PTSUNNY 82 75 79 S14 30.10S HX 89 TC 28
DECATUR CLOUDY 76 71 85 S7 30.10F TC 24
PEORIA PTSUNNY 77 73 87 S7 30.07F TC 25
LACON* MOSUNNY 83 74 73 S5 30.06S HX 89 TC 28
LINCOLN* CLOUDY 76 73 90 S8 30.09S TC 25
SPRINGFIELD PTSUNNY 77 71 82 SE13 30.09R TC 25
TAYLORVILLE PTSUNNY 73 70 88 SE14G21 30.09F TC 23
ILZ033-039-045-046-055>057-062-063-171700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 77 73 87 SW5 30.09S TC 25
DANVILLE* CLOUDY 75 70 85 CALM 30.09R TC 24
RANTOUL* CLOUDY 77 71 80 CALM 30.09R TC 25
MATTOON PTSUNNY 82 70 66 S9 30.10R HX 86 TC 28
PARIS* CLOUDY 72 71 98 E5 30.08S TC 22
ILZ079-100>102-171700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 88 77 70 SE6 30.07R HX 100 TC 31
SPARTA* MOSUNNY 94 71 47 CALM 30.09R HX 100 TC 34
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 91 74 57 VRB3 30.07S HX 100 TC 33
CAIRO* SUNNY 91 75 60 CALM 30.08R HX 101 TC 33
EFFINGHAM* PTSUNNY 83 69 62 NE3 30.14S HX 86 TC 28
MARION MOSUNNY 91 72 52 N3 30.08S HX 98 TC 33
MT. VERNON MOSUNNY 88 75 65 E10G21 30.11R HX 97 TC 31
CENTRALIA* MOSUNNY 86 73 65 E13 30.11R HX 93 TC 30
SALEM* PTSUNNY 85 72 63 E9 30.12S HX 91 TC 30
METROPOLIS* SUNNY 90 72 55 CALM 30.09R HX 97 TC 32
ILZ067-068-072-073-078-083-087-091-171700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 79 70 74 VRB3 30.10F HX 82 TC 26
FLORA* PTSUNNY 82 70 65 E9 30.12F HX 86 TC 28
FAIRFIELD* MOSUNNY 84 71 64 NE8 30.11F HX 88 TC 29
HARRISBURG* SUNNY 88 74 63 NE10 30.10R HX 96 TC 31
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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