225
ASUS43 KLOT 160410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST MON DEC 15 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.
ILZ001-002-007-009-015-016-024-160500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 13 10 88 CALM 30.05S TC -11
STERLING* CLEAR 12 8 84 CALM 30.08S TC -11
SAVANNA* CLEAR 15 11 85 E3 30.07S TC -9
ILZ003-004-008-010-011-017-018-160500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 12 9 87 CALM 30.08S TC -11
FREEPORT* CLEAR 15 12 86 CALM 30.07S TC -9
DE KALB* CLEAR 13 10 87 CALM 30.06F TC -11
PERU* CLEAR 19 12 76 S5 30.07F WCI 12 TC -7
ILZ005-006-012>014-019>023-160500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 19 11 70 SW3 30.08S TC -7
CHICAGO-MIDWAY PTCLDY 20 12 71 SW5 30.10R WCI 13 TC -7
AURORA CLEAR 11 9 92 CALM 30.07F TC -12
JOLIET* PTCLDY 17 13 81 CALM 30.10S TC -8
WAUKEGAN CLEAR 12 9 87 SW3 30.08R TC -11
DUPAGE AIRPORT CLEAR 15 11 83 CALM 30.07S TC -9
WHEELING CLEAR 18 12 77 CALM 30.10S TC -8
MORRIS* PTCLDY 19 15 84 CALM 30.08F TC -7
ROMEOVILLE* PTCLDY 18 12 79 S3 30.10R TC -8
LANSING* CLEAR 17 10 75 CALM 30.10F TC -9
NORTHERLY ISL* N/A 21 12 68 S5 N/A WCI 15 TC -6
LMZ740>746-160500-
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 24 210/ 7/ 9 N/A
NORTHERLY ISL 21 210/ 4/ 7 N/A
CALUMET HARBOR 21 190/ 2/ 5 1018.9
BURNS HARBOR 21 210/ 3/ 5 1020.0S
MICHIGAN CITY 20 200/ 9/ 10 1020.5R
ILZ025>027-034>036-040-047-049-050-058-095>099-160500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 30 22 72 SW5 30.07R WCI 25 TC -1
GALESBURG* CLEAR 16 16 100 S5 30.06F WCI 9 TC -9
MACOMB* CLEAR 14 11 89 CALM 30.09S TC -10
JACKSONVILLE* CLEAR 25 14 61 S3 30.08S TC -4
ILZ028>032-037-038-041>044-048-051>054-059>061-160500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 15 10 82 SE5 30.09F WCI 8 TC -9
BLOOMINGTON CLEAR 17 12 80 S5 30.09S WCI 10 TC -8
DECATUR CLEAR 22 10 60 S6 30.10F WCI 14 TC -6
PEORIA CLEAR 20 13 74 CALM 30.08F TC -7
LACON* CLEAR 14 9 79 CALM 30.07F TC -10
LINCOLN* CLEAR 18 9 69 SE5 30.10S WCI 11 TC -8
SPRINGFIELD CLEAR 23 14 68 S3 30.09S TC -5
TAYLORVILLE CLEAR 26 13 59 S7 30.11R WCI 18 TC -4
ILZ033-039-045-046-055>057-062-063-160500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 18 9 68 S7 30.10F WCI 9 TC -8
DANVILLE* CLEAR 21 11 65 S5 30.13S WCI 15 TC -6
RANTOUL* CLEAR 15 10 81 SE3 30.11R TC -10
MATTOON CLEAR 26 10 50 S9 30.11R WCI 17 TC -3
PARIS* CLEAR 15 7 69 S7 30.13F WCI 6 TC -9
ILZ079-100>102-160500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 30 14 51 S7 30.11S WCI 23 TC -1
BELLEVILLE CLOUDY 33 15 47 S6 30.11F WCI 28 TC 1
SPARTA* CLOUDY 32 11 42 S13 30.15F WCI 22 TC 0
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 29 13 51 S10 30.18F WCI 20 TC -2
EFFINGHAM* CLEAR 28 10 47 CALM 30.16R TC -2
MT. VERNON CLEAR N/A N/A N/A SW12 30.16F
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 30 13 49 S9 30.13S WCI 22 TC -1
METROPOLIS* CLEAR 29 11 46 CALM 30.24S TC -2
ILZ067-068-072-073-078-083-087-091-160500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 21 9 59 S5 30.17S WCI 15 TC -6
FLORA* CLEAR 27 14 59 S12 30.15S WCI 16 TC -3
FAIRFIELD* CLEAR 27 12 53 S6 30.17S WCI 20 TC -3
HARRISBURG* CLEAR 31 11 43 SW9 30.20S WCI 23 TC -1
ROBINSON* CLEAR 23 10 58 S3 30.16R TC -5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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