Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 150410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT MON SEP 14 2026
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.
ILZ001-002-007-009-015-016-024-150500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 71 54 54 SE12G20 29.93F TC 22
STERLING* CLOUDY 70 52 52 SE10 29.98F TC 21
SAVANNA* PTCLDY 68 51 55 S12 29.94F TC 20
$$
ILZ003-004-008-010-011-017-018-150500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 67 49 52 SE17G28 29.98F TC 19
FREEPORT* PTCLDY 67 53 60 S18 29.97F TC 20
ROCHELLE* MOCLDY 66 51 58 SE14G23 29.99F TC 19
DE KALB* MOCLDY 65 50 58 SE13 30.03F TC 18
PERU* CLEAR 68 54 60 SE14 30.02F TC 20
$$
ILZ005-006-012>014-019>023-150500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 68 48 48 S12G22 30.04F TC 20
CHICAGO-MIDWAY PTCLDY 68 49 50 S9 30.05F TC 20
AURORA PTCLDY 65 50 58 SE10 30.04S TC 18
JOLIET* CLOUDY 68 51 54 S5 30.06S TC 20
WAUKEGAN MOCLDY 67 54 63 S15G28 30.02F TC 19
DUPAGE AIRPORT CLOUDY 67 49 52 S13 30.04F TC 19
KANKAKEE* CLEAR 62 51 67 SE6 30.09R TC 17
WHEELING PTCLDY 67 49 52 S14 30.05S TC 19
ROMEOVILLE* CLOUDY 66 50 55 SE12 30.06F TC 19
LANSING* CLEAR 65 49 55 SE5 30.08S TC 19
NORTHERLY ISL* N/A 68 50 52 SE9 N/A TC 20
$$
LMZ740>746-150500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 67 61 130/ 19/ 27 1015.1 4/ 5
WAUKEGAN HARBOR 65 63 170/ 19/ 27 1016.6 4/ 5
WILMETTE BUOY 67 170/ 19/ 23 1019.5F 4/ 4
CHICAGO BUOY 70 68 1016.9 3/ 4
HARRISON CRIB 70 170/ 22/ 27 N/A
NORTHERLY ISL 67 130/ 7/ 13 N/A
CALUMET HARBOR 68 150/ 12/ 14 1018.3R
MICHIGAN CITY 66 140/ 13/ 17 1017.2F
MICH CITY BUOY 66 66 150/ 16/ 19 N/A 2/ 2
ST. JOSEPH BUOY 65 61 130/ 12/ 16 1019.7S 1
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-150500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 78 64 61 S14 29.96R HX 80 TC 26
GALESBURG* CLEAR 71 56 58 SE7 29.98S TC 22
MACOMB* CLEAR 72 61 70 S8 29.99S TC 22
JACKSONVILLE* CLEAR 75 59 57 S12 30.01S TC 24
PITTSFIELD* CLEAR 76 63 63 SE12 29.99F TC 25
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-150500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 67 55 65 SE6 30.05S TC 19
BLOOMINGTON CLEAR 67 55 65 SE12 30.06R TC 19
DECATUR CLEAR 68 54 60 SE8 30.06S TC 20
PEORIA CLEAR 71 53 52 SE8 30.01S TC 22
LACON* CLEAR 67 52 59 SE8 30.00F TC 19
LINCOLN* CLEAR 72 56 56 S8 30.04R TC 22
SPRINGFIELD CLEAR 75 53 46 S13G21 30.02R TC 24
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-150500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 65 55 70 SE13 30.08S TC 18
RANTOUL* CLEAR 64 56 76 SE7 30.08S TC 18
MATTOON CLEAR 70 56 61 SE10 30.06F TC 21
PARIS* CLEAR 64 55 72 SE6 30.10S TC 18
$$
ILZ079-100>102-150500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 74 61 63 SE7 30.03S TC 23
BELLEVILLE CLEAR 74 63 69 S6 30.01S TC 23
CAHOKIA* CLEAR 76 63 64 SE7 30.02R TC 24
SPARTA* CLEAR 74 62 64 SE7 30.05S TC 24
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-150500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* CLEAR 75 69 81 CALM 30.06F TC 24
EFFINGHAM* CLEAR 71 53 52 SE9 30.09S TC 22
MARION CLEAR 75 61 60 SE7 30.07F TC 24
MT. VERNON CLEAR 74 59 59 SE6 30.08S TC 23
CENTRALIA* CLEAR 71 58 62 SE9 30.05F TC 22
SALEM* CLEAR 74 58 57 MISG 30.06F TC 23
METROPOLIS* CLEAR 71 68 91 CALM 30.07F TC 22
$$
ILZ067-068-072-073-078-083-087-091-150500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 70 60 70 E8 30.09F TC 21
FLORA* CLEAR 68 57 68 SE7 30.08S TC 20
FAIRFIELD* CLEAR 70 56 62 CALM 30.08S TC 21
HARRISBURG* CLEAR 69 64 84 CALM 30.08F TC 20
ROBINSON* CLEAR 66 61 82 SE3 30.09F TC 19
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$