766
ASUS43 KLOT 170006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-170100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 36 28 73 W5 29.78R WCI 32 TC 2
6HR MIN TEMP: 35; 6HR MAX TEMP: 39;
STERLING* CLEAR 33 27 78 CALM 29.79R TC 1
SAVANNA* PTCLDY 28 22 79 S5 29.78R WCI 22 TC -2
ILZ003-004-008-010-011-017-018-170100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 30 25 81 S5 29.78R WCI 25 TC -1
6HR MIN TEMP: 29; 6HR MAX TEMP: 34;
FREEPORT* PTCLDY 33 28 80 SW13 29.77R WCI 24 TC 1
DE KALB* CLEAR 30 26 86 S14 29.79R WCI 19 TC -1
PERU* CLEAR 33 27 79 S12 29.79S WCI 24 TC 0
ILZ005-006-012>014-019>023-170100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 35 26 69 S17G26 29.76F WCI 25 TC 2
6HR MIN TEMP: 34; 6HR MAX TEMP: 40;
CHICAGO-MIDWAY PTCLDY 35 26 69 SW16 29.80F WCI 25 TC 2
6HR MIN TEMP: 35; 6HR MAX TEMP: 39;
AURORA CLEAR 31 26 82 S8 29.79F WCI 23 TC -1
6HR MIN TEMP: 31; 6HR MAX TEMP: 36;
JOLIET* CLEAR 36 29 78 S8 29.82F WCI 29 TC 2
WAUKEGAN PTCLDY 34 27 75 SW18 29.74R WCI 23 TC 1
6HR MIN TEMP: 34; 6HR MAX TEMP: 39;
DUPAGE AIRPORT CLEAR 32 27 81 SW10 29.79S WCI 24 TC 0
6HR MIN TEMP: 31; 6HR MAX TEMP: 36;
WHEELING CLEAR 36 27 69 SW13 29.78F WCI 27 TC 2
6HR MIN TEMP: 34; 6HR MAX TEMP: 40;
MORRIS* CLEAR 32 29 88 S7 29.81F WCI 26 TC 0
ROMEOVILLE* CLEAR 34 28 80 S15 29.80F WCI 24 TC 1
LANSING* CLEAR 34 24 68 S16 29.83F WCI 23 TC 1
NORTHERLY ISL* N/A 36 25 65 SW15 N/A WCI 27 TC 2
LMZ740>746-170100-
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 37 190/ 20/ 24 N/A
NORTHERLY ISL 36 190/ 10/ 18 N/A
CALUMET HARBOR 35 190/ 14/ 18 1009.1F
BURNS HARBOR 36 190/ 8/ 11 1010.5S
MICHIGAN CITY 36 190/ 17/ 20 1009.9R
ILZ025>027-034>036-040-047-049-050-058-095>099-170100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 43 33 68 S9 29.81R TC 6
GALESBURG* CLEAR 37 33 87 S6 29.80R WCI 32 TC 3
MACOMB* CLEAR 36 31 83 S7 29.82S WCI 30 TC 2
JACKSONVILLE* CLEAR 43 32 64 S7 29.83S TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-170100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 32 28 85 S10 29.83F WCI 24 TC 0
BLOOMINGTON CLEAR 31 27 85 S13 29.84R WCI 21 TC -1
DECATUR CLEAR 41 30 65 S15 29.87R TC 5
PEORIA CLEAR 36 28 73 S8 29.81F WCI 30 TC 2
6HR MIN TEMP: 34; 6HR MAX TEMP: 39;
LINCOLN* CLEAR 39 26 61 S12 29.85S WCI 31 TC 4
SPRINGFIELD CLEAR 41 29 62 S17 29.85R TC 5
6HR MIN TEMP: 39; 6HR MAX TEMP: 44;
TAYLORVILLE CLEAR 37 30 74 S13 29.89R WCI 29 TC 3
6HR MIN TEMP: 37; 6HR MAX TEMP: 44; 6HR PCP: 0.04;
ILZ033-039-045-046-055>057-062-063-170100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 37 28 70 S17 29.87R WCI 27 TC 3
DANVILLE* CLEAR 37 28 68 S14 29.89F WCI 28 TC 3
RANTOUL* CLEAR 31 27 85 S8 29.87F WCI 23 TC -1
MATTOON CLEAR 39 27 62 S12G23 29.89R WCI 32 TC 4
PARIS* CLEAR 36 27 68 S16 29.92R WCI 26 TC 2
ILZ079-100>102-170100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 43 27 52 S14 29.89R TC 6
BELLEVILLE PTCLDY 40 25 54 S8 29.91R TC 5
CAHOKIA* PTCLDY 44 28 53 S7 29.90R TC 7
SPARTA* CLEAR 40 23 50 S15 29.94F TC 4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-170100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 44 21 40 S15 29.97F TC 7
6HR MIN TEMP: 42; 6HR MAX TEMP: 46;
CAIRO* CLOUDY 48 22 37 S10 30.04F TC 9
EFFINGHAM* PTCLDY 41 27 57 S9 29.94R TC 5
MARION CLOUDY 46 21 36 S16G23 29.98F TC 8
MT. VERNON CLEAR N/A N/A N/A SW13 29.95S
CENTRALIA* CLEAR 41 23 49 MISG 29.94 TC 5
SALEM* CLEAR 43 24 48 S13G18 29.93R TC 6
METROPOLIS* CLOUDY 47 17 30 CALM 30.05F TC 8
ILZ067-068-072-073-078-083-087-091-170100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 39 28 64 S15 29.95F WCI 31 TC 4
FLORA* MOCLDY 43 25 49 S14 29.95R TC 6
FAIRFIELD* CLOUDY 44 21 39 S13G20 29.95S TC 7
HARRISBURG* CLOUDY 47 15 27 S15 29.99F TC 8
ROBINSON* CLOUDY 39 28 65 S8 29.94S WCI 34 TC 4
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