624
ASUS43 KLOT 162310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CST TUE DEC 16 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.
ILZ001-002-007-009-015-016-024-170000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 38 28 67 S9 29.74F WCI 31 TC 3
STERLING* CLEAR 34 27 75 CALM 29.78F TC 1
SAVANNA* PTCLDY 31 24 75 S8 29.76R WCI 24 TC 0
ILZ003-004-008-010-011-017-018-170000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 32 26 78 S12 29.76F WCI 23 TC 0
FREEPORT* PTCLDY 33 27 77 SW17 29.76R WCI 22 TC 1
DE KALB* CLEAR 31 27 86 S17 29.78F WCI 19 TC -1
PERU* CLEAR 33 28 80 S12 29.80S WCI 24 TC 1
ILZ005-006-012>014-019>023-170000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 36 27 69 SW12 29.78R WCI 28 TC 2
CHICAGO-MIDWAY PTCLDY 35 25 66 SW15G28 29.81R WCI 25 TC 2
AURORA CLEAR 32 27 81 S12 29.80R WCI 23 TC 0
JOLIET* CLEAR 36 28 75 S8 29.83S WCI 29 TC 2
WAUKEGAN PTCLDY 36 28 73 S18G24 29.73F WCI 26 TC 2
DUPAGE AIRPORT CLEAR 33 28 81 S14 29.79R WCI 23 TC 1
WHEELING CLEAR 37 27 67 SW10 29.79R WCI 30 TC 3
MORRIS* CLEAR 33 29 85 S7 29.81F WCI 27 TC 1
ROMEOVILLE* CLEAR 36 28 75 S9 29.82R WCI 29 TC 2
LANSING* CLEAR 33 23 65 SW13G23 29.83S WCI 24 TC 1
NORTHERLY ISL* N/A 36 25 65 S17 N/A WCI 26 TC 2
LMZ740>746-170000-
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 37 200/ 22/ 27 N/A
NORTHERLY ISL 37 180/ 15/ 17 N/A
CALUMET HARBOR 35 180/ 11/ 15 1008.7
BURNS HARBOR 36 180/ 8/ 12 1010.5R
MICHIGAN CITY 36 180/ 19/ 24 1009.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-170000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 44 34 67 S12 29.79F TC 7
GALESBURG* CLEAR 36 32 85 S9 29.78F WCI 29 TC 2
MACOMB* CLEAR 37 31 80 S6 29.81S WCI 32 TC 3
JACKSONVILLE* CLEAR 43 32 63 S5 29.83R TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-170000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 35 28 76 S9 29.83F WCI 27 TC 2
BLOOMINGTON CLEAR 34 28 79 S14 29.83S WCI 25 TC 1
DECATUR CLEAR 42 29 59 S14 29.86S TC 6
PEORIA CLEAR 36 28 73 S5 29.82S WCI 32 TC 2
LINCOLN* CLEAR 39 27 62 S10 29.84S WCI 32 TC 4
SPRINGFIELD CLEAR 42 30 62 S10 29.84S TC 6
TAYLORVILLE CLEAR 41 31 67 S17G24 29.86R TC 5
ILZ033-039-045-046-055>057-062-063-170000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 37 29 72 S16 29.86F WCI 28 TC 3
DANVILLE* CLEAR 37 28 70 S14 29.89S WCI 28 TC 3
RANTOUL* CLEAR 31 27 85 S9 29.87S WCI 23 TC 0
MATTOON CLEAR 41 27 57 S16G29 29.88F TC 5
PARIS* CLEAR 37 27 69 S14 29.91S WCI 28 TC 3
ILZ079-100>102-170000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 45 27 49 S14 29.88S TC 7
BELLEVILLE PTCLDY 42 25 50 S14 29.90S TC 6
CAHOKIA* PTCLDY 46 28 49 S8 29.89S TC 8
SPARTA* CLEAR 41 23 49 S12G17 29.96S TC 5
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 45 21 38 S10 29.99F TC 7
CAIRO* CLOUDY 48 23 37 S8 30.05F TC 9
EFFINGHAM* CLOUDY 43 28 56 SE12 29.93F TC 6
MARION CLOUDY 45 21 39 S15 29.99F TC 7
MT. VERNON CLOUDY N/A N/A N/A S15 29.95F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLOUDY 44 25 47 S12 29.92F TC 7
METROPOLIS* CLOUDY 46 17 31 CALM 30.06F TC 8
ILZ067-068-072-073-078-083-087-091-170000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 38 28 67 S10 29.97F WCI 31 TC 3
FLORA* CLOUDY 43 27 52 S12 29.95F TC 6
FAIRFIELD* CLOUDY 43 23 45 S14 29.96F TC 6
HARRISBURG* CLOUDY 46 16 30 S13 30.01F TC 8
ROBINSON* CLOUDY 39 28 65 S9 29.94F WCI 33 TC 4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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