Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 101501
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CST WED DEC 10 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.
ILZ001-002-007-009-015-016-024-101600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT SNOW 32 27 81 N17G29 29.65R WCI 21 TC 0
STERLING* PTSUNNY 29 28 96 N17G24 29.63R FOG WCI 17
$$
ILZ003-004-008-010-011-017-018-101600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT SNOW 28 25 88 N22G30 29.60R VSB 1 WCI 14
FREEPORT* CLOUDY 29 26 89 N23 29.63R WCI 15 TC -2
DE KALB* LGT SNOW 28 27 94 N21G30 29.54R WCI 15 TC -2
$$
ILZ005-006-012>014-019>023-101600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT SNOW 33 30 88 NW15G28 29.47R FOG WCI 23
CHICAGO-MIDWAY LGT SNOW 33 32 96 NW14G22 29.47R VSB 1 WCI 23
AURORA SNOW 30 29 96 N25 29.51R VSB 1/4 WCI 16
JOLIET* CLOUDY 35 33 93 NW8G17 29.51R FOG WCI 28
WAUKEGAN LGT SNOW 31 29 92 NW12G24 29.48R FOG WCI 22
DUPAGE AIRPORT LGT SNOW 32 29 88 NW17 29.50R FOG WCI 21
WHEELING LGT RAIN 33 30 88 N14G23 29.49R FOG WCI 23
MORRIS* CLOUDY 33 32 96 N15G23 29.50R WCI 23 TC 1
ROMEOVILLE* LGT SNOW 34 34 100 NW9G18 29.48R FOG WCI 26
LANSING* DRIZZLE 34 31 87 NW9G18 29.46R WCI 27 TC 1
NORTHERLY ISL* N/A 34 31 89 NW13 N/A WCI 25 TC 1
$$
LMZ740>746-101600-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 34 320/ 22/ 25 N/A
NORTHERLY ISL 35 320/ 13/ 16 N/A
CALUMET HARBOR 35 300/ 8/ 17 996.6R
BURNS HARBOR 36 300/ 12/ 15 996.3R
MICHIGAN CITY 37 290/ 29/ 32 994.7R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-101600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 33 26 75 NW25G41 29.74R WCI 20 TC 1
GALESBURG* LGT SNOW 32 32 100 W21G29 29.65R WCI 20 TC 0
MACOMB* CLOUDY 32 29 89 NW28G36 29.70R WCI 18 TC 0
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-101600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 35 31 85 W15G32 29.53R WCI 26 TC 2
BLOOMINGTON LGT SNOW 35 32 88 NW25G38 29.57R FOG WCI 23
DECATUR CLOUDY 38 32 79 W21G35 29.60R WCI 28 TC 3
PEORIA LGT SNOW 34 29 82 W16G28 29.61R WCI 24 TC 1
LINCOLN* CLOUDY 37 28 70 W14G30 29.61R WCI 29 TC 3
SPRINGFIELD CLOUDY 36 31 82 W17G30 29.63R WCI 26 TC 2
TAYLORVILLE NOT AVBL
$$
ILZ033-039-045-046-055>057-062-063-101600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 36 33 89 W18 29.56R WCI 26 TC 2
RANTOUL* CLOUDY 36 32 85 W18G24 29.53R WCI 26 TC 2
MATTOON CLOUDY 40 34 79 W13G21 29.58R TC 4
PARIS* CLOUDY 39 33 79 W17G24 29.57R WCI 30 TC 4
$$
ILZ079-100>102-101600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 43 32 65 W18G32 29.68R TC 6
BELLEVILLE CLOUDY 46 29 51 W26G43 29.67R TC 8
CAHOKIA* LGT RAIN 45 29 53 W16G37 29.70R TC 7
SPARTA* PTSUNNY 46 33 60 NW20G26 29.69R TC 8
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-101600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 44 37 76 SW8 29.69R TC 7
CAIRO* CLOUDY 44 40 85 SW10G18 29.74S TC 7
EFFINGHAM* CLOUDY 42 36 79 W17G29 29.64R TC 6
MARION PTSUNNY 43 37 81 SW13 29.68R TC 6
MT. VERNON CLOUDY N/A N/A N/A NW8G23 29.67R
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 45 36 70 W14 29.65R TC 7
METROPOLIS* CLOUDY 44 37 78 SW12G21 29.71S TC 7
$$
ILZ067-068-072-073-078-083-087-091-101600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 43 38 82 W13 29.62R TC 6
FLORA* CLOUDY 45 36 70 NW17 29.64R TC 7
FAIRFIELD* CLOUDY 43 37 80 SW6 29.65R TC 6
HARRISBURG* CLOUDY 43 37 80 W9 29.68R TC 6
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$