Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 221010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT WED OCT 22 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.
ILZ001-002-007-009-015-016-024-221100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 43 34 70 W18 29.90R TC 6
STERLING* CLOUDY 44 36 73 W18G24 29.84R TC 7
$$
ILZ003-004-008-010-011-017-018-221100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 46 36 68 W16G25 29.80R TC 8
ROCHELLE* CLOUDY 44 35 69 W16 29.81R TC 7
DE KALB* CLOUDY 44 37 74 W15G22 29.79R TC 7
PERU* CLOUDY 45 36 69 W14G22 29.85R TC 7
$$
ILZ005-006-012>014-019>023-221100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 47 35 63 W14G24 29.74R TC 8
CHICAGO-MIDWAY CLOUDY 47 37 68 W13G25 29.76R TC 8
AURORA CLOUDY 45 37 73 W17G24 29.78R TC 7
JOLIET* CLOUDY 48 37 67 W9 29.80S TC 9
WAUKEGAN LGT RAIN 46 38 73 W10G18 29.70R TC 8
DUPAGE AIRPORT CLOUDY 47 36 65 W15G26 29.76R TC 8
KANKAKEE* CLOUDY 46 34 61 W18G26 29.82F TC 8
WHEELING CLOUDY 47 37 68 MISG 29.74S TC 8
MORRIS* CLOUDY 46 38 75 W23G29 29.80R TC 8
ROMEOVILLE* CLOUDY 46 36 66 W15G22 29.79S TC 8
LANSING* CLOUDY 46 32 58 W13G22 29.77S TC 8
NORTHERLY ISL* N/A 48 36 63 W14 N/A TC 9
$$
LMZ740>746-221100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 50 61 280/ 27/ 33 1004.6R 8/ 6
WINTHROP HARBOR 47 47 N/A 1/ 2
WAUKEGAN HARBOR 48 55 N/A 1/ 2
WILMETTE BUOY 50 310/ 23/ 31 1006.3S 2/ 3
CHICAGO BUOY 50 270/ 19/ 31 N/A 2/ 3
HARRISON CRIB 48 280/ 22/ 26 N/A
NORTHERLY ISL 47 280/ 12/ 16 N/A
CALUMET HARBOR 47 240/ 4/ 15 1006.6R
BURNS HARBOR 50 280/ 13/ 19 1007.5S
MICHIGAN CITY 49 270/ 31/ 37 1005.2S
ST. JOSEPH BUOY 51 57 240/ 27/ 39 1006.6R 8/ 7
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-221100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 43 33 68 W12 30.00R TC 6
GALESBURG* CLEAR 40 32 74 W14G20 29.94R TC 4
MACOMB* CLEAR 41 33 73 W12 29.98S TC 5
JACKSONVILLE* CLEAR 42 33 69 W10G16 29.98S TC 6
PITTSFIELD* CLEAR 45 33 64 W7 30.01S TC 7
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-221100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 46 34 63 W23G30 29.86R TC 8
BLOOMINGTON CLEAR 42 33 70 W17G23 29.89R TC 6
DECATUR CLEAR 44 33 65 W15G28 29.92S TC 7
PEORIA CLEAR 42 33 70 W13G21 29.92R TC 6
LACON* CLOUDY 44 32 63 W10 29.88R TC 7
LINCOLN* CLEAR 44 33 67 W6 29.93R TC 7
SPRINGFIELD CLEAR 43 33 68 W14 29.95S TC 6
TAYLORVILLE CLEAR 43 34 70 MISG 29.96S TC 6
$$
ILZ033-039-045-046-055>057-062-063-221100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 39 34 82 SW12 29.89S WCI 32 TC 4
DANVILLE* PTCLDY 44 33 64 W18 29.87S TC 7
RANTOUL* CLEAR 41 32 70 W12 29.88R TC 5
MATTOON CLEAR 43 35 73 W10G20 29.92S TC 6
PARIS* CLEAR 43 34 71 W13 29.90F TC 6
$$
ILZ079-100>102-221100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 44 34 68 MISG 30.02R TC 7
BELLEVILLE CLEAR 44 36 72 SW7 30.01R TC 7
CAHOKIA* CLEAR 46 35 65 CALM 30.03R TC 8
SPARTA* CLEAR 49 33 54 W9 30.04S TC 10
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 45 35 68 W7 30.04R TC 7
CAIRO* CLEAR 48 36 64 W5 30.07R TC 9
EFFINGHAM* CLEAR 45 36 70 W12G17 29.98S TC 7
MT. VERNON CLEAR 46 37 71 W6 30.01S TC 8
CENTRALIA* CLEAR 43 36 74 W8 30.01R TC 6
SALEM* CLEAR 47 37 67 W7 30.00R TC 8
METROPOLIS* CLEAR 47 36 63 SW5 30.05S TC 9
$$
ILZ067-068-072-073-078-083-087-091-221100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 45 36 70 W10 29.96R TC 7
FLORA* CLEAR 45 37 76 W9 29.99R TC 7
FAIRFIELD* CLEAR 46 35 65 W3 30.00R TC 8
HARRISBURG* CLEAR 43 35 74 MISG 30.03S TC 6
ROBINSON* CLEAR 46 37 71 W9G21 29.94R TC 8
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$