177
ASUS43 KLOT 161610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.
ILZ001-002-007-009-015-016-024-161700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 31 23 72 SW10 29.91F WCI 22 TC -1
STERLING* SUNNY 28 22 78 VRB3 29.95S TC -2
SAVANNA* SUNNY 22 17 79 S8 29.93F WCI 13 TC -5
ILZ003-004-008-010-011-017-018-161700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 23 15 71 S9 29.93F WCI 13 TC -5
FREEPORT* MOSUNNY 25 20 82 S14 29.92F WCI 13 TC -4
DE KALB* MOSUNNY 19 15 84 S12 29.94F WCI 6 TC -7
PERU* SUNNY 27 22 80 S10 29.97S WCI 18 TC -3
ILZ005-006-012>014-019>023-161700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 27 16 63 SW7 29.95S WCI 19 TC -3
CHICAGO-MIDWAY PTSUNNY 27 17 66 SW9 29.97S WCI 18 TC -3
AURORA MOSUNNY 23 16 74 S7 29.96S WCI 15 TC -5
JOLIET* MOSUNNY 29 22 75 S5 29.99S WCI 24 TC -2
WAUKEGAN MOSUNNY 26 16 65 S12 29.92F WCI 16 TC -3
DUPAGE AIRPORT MOSUNNY 25 18 74 S7 29.94F WCI 17 TC -4
WHEELING MOSUNNY 26 16 65 SW8 29.96F WCI 18 TC -3
MORRIS* MOSUNNY 25 20 80 S8 29.97F WCI 17 TC -4
ROMEOVILLE* N/A 27 21 80 S9 29.98S WCI 17 TC -3
LANSING* MOSUNNY 25 14 61 S12 29.99S WCI 15 TC -4
NORTHERLY ISL* N/A 28 18 66 SW5 N/A WCI 23 TC -2
LMZ740>746-161700-
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 27 200/ 14/ 15 N/A
NORTHERLY ISL 26 200/ 8/ 12 N/A
CALUMET HARBOR 25 190/ 9/ 14 1014.5
BURNS HARBOR 26 190/ 7/ 10 1015.9F
MICHIGAN CITY 25 180/ 12/ 15 1015.9F
ILZ025>027-034>036-040-047-049-050-058-095>099-161700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 36 25 64 SW15 29.96F WCI 27 TC 2
GALESBURG* SUNNY 29 26 91 S8 29.96F WCI 21 TC -2
MACOMB* SUNNY 30 23 75 S6 29.99S WCI 24 TC -1
JACKSONVILLE* SUNNY 34 28 78 S9 30.01F WCI 26 TC 1
ILZ028>032-037-038-041>044-048-051>054-059>061-161700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 29 22 74 S13 29.99F WCI 19 TC -1
BLOOMINGTON SUNNY 30 24 78 S13 30.00F WCI 20 TC -1
DECATUR SUNNY 30 20 66 SW13 30.04F WCI 20 TC -1
PEORIA SUNNY 28 22 78 S12 29.99F WCI 18 TC -2
LINCOLN* SUNNY 29 19 66 S7 30.02F WCI 22 TC -1
SPRINGFIELD SUNNY 34 25 69 S15 30.02F WCI 24 TC 1
TAYLORVILLE SUNNY 32 21 64 S13 30.05F WCI 22 TC 0
ILZ033-039-045-046-055>057-062-063-161700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 27 19 72 S15 30.04F WCI 15 TC -3
DANVILLE* MOSUNNY 30 19 63 SW14 30.06F WCI 20 TC -1
RANTOUL* SUNNY 31 22 69 SW14 30.03F WCI 21 TC -1
MATTOON SUNNY 31 19 61 S9 30.06F WCI 23 TC -1
PARIS* SUNNY 31 21 66 S7 30.08F WCI 24 TC -1
ILZ079-100>102-161700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 41 21 45 SW9 30.06F TC 5
BELLEVILLE SUNNY 43 23 44 S9 30.07F TC 6
CAHOKIA* SUNNY 45 23 42 S7 30.06F TC 7
SPARTA* SUNNY 39 20 46 CALM 30.11F TC 4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 40 19 43 S13 30.14F TC 4
EFFINGHAM* SUNNY 36 23 59 S8 30.11S WCI 30 TC 2
MARION SUNNY 39 19 45 S12 30.15S WCI 32 TC 4
MT. VERNON SUNNY N/A N/A N/A S13 30.12F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 41 24 49 S9 30.09F TC 5
METROPOLIS* CLOUDY 39 17 41 CALM 30.19S TC 4
ILZ067-068-072-073-078-083-087-091-161700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 34 23 64 S12 30.13F WCI 25 TC 1
FLORA* MOSUNNY 39 23 52 S9 30.11F WCI 33 TC 4
FAIRFIELD* MOSUNNY 40 22 49 S9 30.13F TC 4
HARRISBURG* PTSUNNY 39 17 40 SW8 30.16S WCI 34 TC 4
ROBINSON* MOSUNNY 34 23 64 S7 30.11F WCI 28 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page