315
ASUS43 KLOT 201601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CST SAT DEC 20 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.
ILZ001-002-007-009-015-016-024-201700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 39 25 57 W10 29.76R WCI 32 TC 4
STERLING* PTSUNNY 38 26 62 SW16 29.77R WCI 29 TC 3
SAVANNA* PTSUNNY 38 26 60 W9 29.77R WCI 32 TC 4
ILZ003-004-008-010-011-017-018-201700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 38 25 59 SW15 29.75R WCI 29 TC 3
FREEPORT* CLOUDY 38 27 63 W9 29.75R WCI 31 TC 3
DE KALB* PTSUNNY 36 28 72 SW15 29.75R WCI 26 TC 2
PERU* PTSUNNY 41 27 56 SW17G30 29.77R TC 5
ILZ005-006-012>014-019>023-201700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 37 24 59 SW16G29 29.73R WCI 28 TC 3
CHICAGO-MIDWAY CLOUDY 39 24 55 SW20G30 29.74S WCI 29 TC 4
AURORA PTSUNNY 37 26 64 SW14G25 29.76R WCI 28 TC 3
JOLIET* PTSUNNY 39 28 63 SW10G16 29.77F WCI 33 TC 4
WAUKEGAN PTSUNNY 39 25 57 SW17G29 29.70R WCI 30 TC 4
DUPAGE AIRPORT PTSUNNY 37 26 64 SW16G26 29.74R WCI 28 TC 3
WHEELING PTSUNNY 38 25 59 SW13G23 29.74R WCI 30 TC 3
MORRIS* PTSUNNY 39 30 68 SW18 29.76S WCI 30 TC 4
ROMEOVILLE* PTSUNNY 37 27 65 S14G28 29.76R WCI 29 TC 3
LANSING* PTSUNNY 37 21 52 SW16G22 29.78R WCI 28 TC 3
NORTHERLY ISL* N/A 38 24 57 SW8 N/A WCI 32 TC 3
LMZ740>746-201700-
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)
NORTHERLY ISL 36 210/ 9/ 20 N/A
CALUMET HARBOR 38 190/ 15/ 22 1007.0
BURNS HARBOR 40 200/ 13/ 16 1008.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-201700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 42 26 53 SW13 29.83R TC 6
GALESBURG* PTSUNNY 40 32 74 SW12G18 29.80R TC 4
MACOMB* PTSUNNY 42 28 58 W14 29.84R TC 6
JACKSONVILLE* PTSUNNY 42 28 56 SW15 29.83R TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-201700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 41 27 58 SW18G30 29.79S TC 5
BLOOMINGTON PTSUNNY 40 28 62 SW16 29.81R TC 4
DECATUR MOSUNNY 42 27 55 SW18G26 29.83F TC 6
PEORIA PTSUNNY 40 27 59 SW12 29.80R TC 4
LACON* PTSUNNY 39 26 59 SW9 29.79R WCI 32 TC 4
LINCOLN* PTSUNNY 42 26 53 SW12G18 29.82S TC 6
SPRINGFIELD MOSUNNY 41 28 60 SW13 29.82S TC 5
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 41 28 60 S25G32 29.83F TC 5
DANVILLE* PTSUNNY 40 26 57 S20G29 29.85F TC 5
RANTOUL* PTSUNNY 38 26 61 SW16G23 29.82F WCI 29 TC 4
MATTOON MOSUNNY 40 25 55 S16G28 29.86F TC 4
PARIS* MOSUNNY 41 26 55 S18 29.89S TC 5
ILZ079-100>102-201700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 41 27 56 S10 29.86F TC 5
BELLEVILLE PTSUNNY 46 28 50 SW14 29.86S TC 8
SPARTA* MOSUNNY 43 28 54 S13 29.92R TC 6
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 49 29 46 S20G31 29.92F TC 9
CAIRO* MOSUNNY 48 32 54 S12 29.99S TC 9
EFFINGHAM* MOSUNNY 43 26 52 S10 29.92R TC 6
MARION MOSUNNY 48 28 46 S16G23 29.93F TC 9
MT. VERNON MOSUNNY 45 28 51 S16 29.91S TC 7
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 44 28 51 SW12 29.91R TC 7
METROPOLIS* MOSUNNY 49 28 43 S13G18 30.00S TC 10
ILZ067-068-072-073-078-083-087-091-201700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 40 27 59 S17 29.94S TC 4
FLORA* MOSUNNY 41 28 60 S13 29.93R TC 5
FAIRFIELD* MOSUNNY 41 27 59 S8 29.95R TC 5
HARRISBURG* PTSUNNY 48 28 44 S14G22 29.94F TC 9
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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