910
ASUS43 KLOT 201906
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM 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.
ILZ001-002-007-009-015-016-024-202000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 39 26 59 NW8 29.85R WCI 33 TC 4
STERLING* PTSUNNY 39 28 64 W10 29.84R WCI 32 TC 4
SAVANNA* CLOUDY 38 26 61 W6 29.83R WCI 34 TC 4
ILZ003-004-008-010-011-017-018-202000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 39 26 59 W9 29.79R WCI 33 TC 4
FREEPORT* PTSUNNY 39 23 52 W12 29.81R WCI 32 TC 4
DE KALB* PTSUNNY 37 28 69 W12G17 29.79R WCI 30 TC 3
PERU* PTSUNNY 40 28 61 W12G17 29.82R TC 5
ILZ005-006-012>014-019>023-202000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 39 25 57 W15G28 29.77R WCI 31 TC 4
CHICAGO-MIDWAY CLOUDY 41 26 55 W16G29 29.78R TC 5
AURORA PTSUNNY 38 29 70 W10 29.79R WCI 31 TC 3
JOLIET* PTSUNNY 42 29 59 W13 29.81R TC 6
WAUKEGAN PTSUNNY 40 25 55 W10G21 29.72R TC 4
DUPAGE AIRPORT PTSUNNY 38 27 64 W15 29.77R WCI 29 TC 3
KANKAKEE* PTSUNNY 42 29 61 W15G25 29.80R TC 6
WHEELING PTSUNNY 40 26 57 W8G20 29.77R TC 4
MORRIS* PTSUNNY 40 31 68 W16 29.79R TC 5
ROMEOVILLE* SUNNY 39 28 65 W16G28 29.80R WCI 30 TC 4
LANSING* PTSUNNY 43 23 45 W15 29.77R TC 6
NORTHERLY ISL* N/A 40 24 53 W14 N/A TC 4
LMZ740>746-202000-
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 40 250/ 12/ 15 N/A
CALUMET HARBOR 42 230/ 10/ 16 1006.5
BURNS HARBOR 42 240/ 10/ 12 1008.1S
ILZ025>027-034>036-040-047-049-050-058-095>099-202000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 46 30 53 NW15 29.88R TC 8
GALESBURG* CLOUDY 40 34 78 NW8 29.84F TC 5
MACOMB* CLOUDY 42 31 64 NW15 29.89R TC 6
JACKSONVILLE* PTSUNNY 47 29 50 NW16 29.85R TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-202000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 42 29 60 W20G26 29.82R TC 6
BLOOMINGTON PTSUNNY 43 30 60 W12 29.83R TC 6
DECATUR PTSUNNY 46 31 55 W16 29.84R TC 8
PEORIA CLOUDY 42 27 55 NW10 29.83R TC 6
LACON* PTSUNNY 40 27 58 W6 29.83R TC 5
LINCOLN* PTSUNNY 46 25 43 W5 29.85R TC 8
SPRINGFIELD PTSUNNY 47 32 56 W9 29.84R TC 8
TAYLORVILLE PTSUNNY 47 33 58 W14 29.85R TC 9
ILZ033-039-045-046-055>057-062-063-202000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 44 32 62 SW18 29.82R TC 7
DANVILLE* PTSUNNY 45 31 58 SW15G24 29.82R TC 7
RANTOUL* PTSUNNY 44 30 58 W15G21 29.81R TC 7
MATTOON PTSUNNY 48 31 51 S14 29.83R TC 9
PARIS* PTSUNNY 46 31 55 SW17 29.83R TC 8
ILZ079-100>102-202000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 30 43 SW6 29.86R TC 11
BELLEVILLE MOSUNNY 56 32 39 W10 29.84S TC 14
CAHOKIA* MOSUNNY 57 32 38 VRB5 29.84F TC 14
SPARTA* SUNNY 53 32 44 S9G16 29.87F TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 54 35 48 SW21G28 29.89S TC 12
CAIRO* CLOUDY 56 41 58 SW14G24 29.91F TC 13
EFFINGHAM* MOSUNNY 53 32 45 S13 29.87R TC 12
MARION MOSUNNY 55 37 50 SW18G30 29.88F TC 13
MT. VERNON SUNNY 54 35 48 SW17 29.87S TC 12
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 54 32 43 SW14 29.86R TC 12
METROPOLIS* CLOUDY 57 33 40 SW10G23 29.92F TC 14
ILZ067-068-072-073-078-083-087-091-202000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 51 34 52 SW15 29.87F TC 11
FAIRFIELD* SUNNY 55 32 42 SW14G21 29.87F TC 13
HARRISBURG* MOSUNNY 56 34 43 SW18G25 29.89F TC 14
ROBINSON* SUNNY 52 32 46 SW21G29 29.86S TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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