Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 020112
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT THU OCT 01 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.
ILZ001-002-007-009-015-016-024-020200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 63 61 93 N7 29.99R TC 17
STERLING* CLOUDY 63 63 100 N5 30.00R TC 17
SAVANNA* DRIZZLE 62 62 100 NW5 30.01R TC 17
$$
ILZ003-004-008-010-011-017-018-020200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 62 60 93 N7 30.00R TC 17
FREEPORT* CLOUDY 62 60 95 N3 30.02R TC 17
ROCHELLE* LGT RAIN 61 61 100 N6 29.99R TC 16
DE KALB* DRIZZLE 60 60 100 N7 29.99R TC 16
$$
ILZ005-006-012>014-019>023-020200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE RAIN 62 60 93 N10 29.95R FOG TC 17
CHICAGO-MIDWAY RAIN 63 62 97 N17G24 29.94R FOG TC 17
AURORA RAIN 63 62 97 NE7 29.98R FOG TC 17
JOLIET* RAIN 64 64 100 N13G20 29.95R TC 18
WAUKEGAN LGT RAIN 62 61 96 N3 29.96R TC 17
DUPAGE AIRPORT LGT RAIN 61 60 97 N6 29.97R TC 16
KANKAKEE* CLOUDY 71 69 94 NE6 29.89S TC 22
WHEELING RAIN 62 60 93 NE8 29.98R FOG TC 17
LANSING* LGT RAIN 63 62 95 N10 29.94R TC 17
NORTHERLY ISL* N/A 62 60 93 NW15 N/A TC 17
$$
LMZ740>746-020200-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 63 62 320/ 4/ 8 1010.0 2/ 4
WAUKEGAN HARBOR 63 64 320/ 8/ 10 1014.9R 2/ 4
WILMETTE BUOY 64 10/ 10/ 16 1015.7R 3/ 4
CHICAGO BUOY 64 64 1012.7R 2/ 4
HARRISON CRIB 64 360/ 16/ 17 N/A
NORTHERLY ISL 62 10/ 9/ 16 N/A
CALUMET HARBOR 63 340/ 12/ 15 1013.2
MICHIGAN CITY 63 30/ 12/ 13 1012.0R
MICH CITY BUOY 63 63 10/ 14/ 16 N/A 2/ 3
ST. JOSEPH BUOY 62 61 10/ 14/ 19 1013.2R 2/ 3
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-020200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 64 63 96 N15 29.96R TC 18
GALESBURG* RAIN 62 62 100 N17G24 29.99R TC 17
MACOMB* RAIN 64 64 100 N10G21 30.00R TC 18
JACKSONVILLE* CLOUDY 68 68 100 NW5 29.92S TC 20
PITTSFIELD* LGT RAIN 69 69 98 NW12 29.93F TC 21
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-020200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 65 65 100 N17G26 29.91R TC 18
BLOOMINGTON HVY RAIN 70 70 100 NW7 29.93R VSB 1 TC 21
DECATUR CLOUDY 74 69 85 NW14G22 29.89R TC 23
PEORIA RAIN 64 63 96 N9 29.94R TC 18
LACON* RAIN 63 61 94 N7 29.95R TC 17
SPRINGFIELD HVY RAIN 70 69 97 NW12G28 29.92R FOG TC 21
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-020200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 71 69 93 NW5 29.87R TC 22
RANTOUL* RAIN 71 71 99 NW5 29.88R TC 22
MATTOON MOCLDY 80 64 58 S8 29.87R HX 82 TC 27
PARIS* MOCLDY 76 64 64 S8 29.88S TC 25
$$
ILZ079-100>102-020200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 72 70 94 NW20G26 29.93R TC 22
BELLEVILLE MOCLDY 83 66 56 NW20 29.87R HX 85 TC 28
CAHOKIA* LGT RAIN 73 70 90 NW13G24 29.91R TC 23
SPARTA* CLOUDY 83 64 52 SW5 29.90R HX 84 TC 28
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-020200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE NOT AVBL
CAIRO* MOCLDY 82 67 60 CALM 29.92R HX 84 TC 28
EFFINGHAM* MOCLDY 80 62 54 SE7 29.89S HX 81 TC 27
MARION MOCLDY 81 63 54 S8 29.90S HX 82 TC 27
MT. VERNON CLOUDY 83 64 52 S8 29.89S HX 84 TC 28
CENTRALIA* CLOUDY 82 64 54 S6 29.89R HX 84 TC 28
SALEM* N/A 83 66 55 MISG 29.88R HX 85 TC 29
METROPOLIS* MOCLDY 79 64 59 SE3 29.93R HX 81 TC 26
$$
ILZ067-068-072-073-078-083-087-091-020200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 76 67 73 S7 29.90R TC 24
FLORA* MOCLDY 81 64 57 S7 29.89S HX 82 TC 27
FAIRFIELD* MOCLDY 81 63 55 S5 29.90S HX 82 TC 27
HARRISBURG* MOCLDY 78 65 63 S5 29.91S HX 80 TC 26
ROBINSON* MOCLDY 79 66 65 S8 29.89S HX 81 TC 26
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$