807
ASUS43 KLOT 201710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-201800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 40 26 57 W12 29.80R TC 4
STERLING* PTSUNNY 38 27 64 SW12 29.79R WCI 30 TC 3
SAVANNA* PTSUNNY 39 25 58 NW8 29.78R WCI 33 TC 4
ILZ003-004-008-010-011-017-018-201800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 39 25 57 W12G21 29.74F WCI 32 TC 4
FREEPORT* PTSUNNY 39 26 59 W12 29.76F WCI 32 TC 4
DE KALB* PTSUNNY 37 28 69 CALM 29.72F TC 3
PERU* PTSUNNY 41 27 57 SW15G23 29.79R TC 5
ILZ005-006-012>014-019>023-201800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 39 25 57 SW14G30 29.73S WCI 31 TC 4
CHICAGO-MIDWAY PTSUNNY 39 26 59 W15G23 29.74S WCI 31 TC 4
AURORA PTSUNNY 37 27 67 SW12G20 29.73F WCI 29 TC 3
JOLIET* PTSUNNY 42 29 61 SW10 29.76F TC 5
WAUKEGAN PTSUNNY 39 25 57 W18G26 29.70S WCI 30 TC 4
DUPAGE AIRPORT CLOUDY 37 27 67 SW18 29.73F WCI 27 TC 3
KANKAKEE* PTSUNNY 40 28 62 SW15G23 29.79F TC 4
WHEELING CLOUDY 39 25 57 W14G25 29.74S WCI 31 TC 4
MORRIS* PTSUNNY 40 31 68 W12G20 29.75F TC 5
ROMEOVILLE* SUNNY 39 27 60 SW12G24 29.76S WCI 32 TC 4
LANSING* PTSUNNY 39 23 51 SW15G24 29.76F WCI 31 TC 4
NORTHERLY ISL* N/A 39 25 57 SW14 N/A WCI 31 TC 4
LMZ740>746-201800-
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 39 180/ 4/ 16 N/A
CALUMET HARBOR 39 210/ 14/ 21 1006.9
BURNS HARBOR 41 220/ 13/ 18 1008.8R
ILZ025>027-034>036-040-047-049-050-058-095>099-201800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 44 27 51 W15 29.83S TC 7
GALESBURG* PTSUNNY 41 32 70 W12 29.82S TC 5
MACOMB* PTSUNNY 42 29 59 W14 29.84F TC 5
JACKSONVILLE* PTSUNNY 44 30 57 SW9 29.83F TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-201800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 42 29 60 SW15G24 29.80S TC 5
BLOOMINGTON PTSUNNY 41 30 65 SW17 29.81S TC 5
DECATUR MOSUNNY 44 29 55 SW16G26 29.84R TC 7
PEORIA PTSUNNY 42 27 55 W12G22 29.82R TC 6
LACON* PTSUNNY 41 25 51 SW13G18 29.81R TC 5
LINCOLN* PTSUNNY 45 27 50 SW10 29.82S TC 7
SPRINGFIELD PTSUNNY 45 30 55 SW12 29.84R TC 7
TAYLORVILLE MOSUNNY 43 31 63 SW18G24 29.85R TC 6
ILZ033-039-045-046-055>057-062-063-201800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 41 29 62 S21 29.84R TC 5
DANVILLE* PTSUNNY 42 29 60 S18G26 29.82F TC 5
RANTOUL* PTSUNNY 42 29 60 SW17G24 29.83S TC 5
MATTOON SUNNY 43 28 55 S13 29.85F TC 6
PARIS* MOSUNNY 43 28 56 S18G24 29.86F TC 6
ILZ079-100>102-201800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 46 28 49 S14 29.87R TC 8
BELLEVILLE SUNNY 50 30 46 SW14 29.86S TC 10
CAHOKIA* SUNNY 50 29 44 S9G22 29.87 TC 10
SPARTA* MOSUNNY 47 30 51 S14 29.91S TC 8
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 51 30 44 SW23G29 29.93R TC 11
CAIRO* MOSUNNY 52 36 53 S15 29.95F TC 11
EFFINGHAM* MOSUNNY 46 28 49 S13 29.91S TC 8
MARION MOSUNNY 52 30 43 SW18 29.91F TC 11
MT. VERNON MOSUNNY 49 30 48 SW16G25 29.92R TC 9
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOSUNNY 49 30 48 SW14G24 29.90S TC 9
METROPOLIS* MOSUNNY 53 29 40 S17G25 29.96F TC 11
ILZ067-068-072-073-078-083-087-091-201800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 41 28 60 S13 29.92F TC 5
FLORA* MOSUNNY 45 30 57 SW13 29.92F TC 7
FAIRFIELD* PTSUNNY 46 30 54 S12 29.92F TC 8
HARRISBURG* PTSUNNY 50 29 43 S14G20 29.92F TC 10
ROBINSON* PTSUNNY 45 30 57 S10 29.90F TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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