234
ASUS43 KLOT 202001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CST TUE JAN 20 2026
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.
ILZ001-002-007-009-015-016-024-202100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 25 5 42 SW6 30.25F WCI 18 TC -4
STERLING* PTSUNNY 21 3 45 VRB3 30.28F TC -6
SAVANNA* PTSUNNY 18 1 46 S5 30.28F WCI 11 TC -8
ILZ003-004-008-010-011-017-018-202100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 16 2 54 S6 30.29F WCI 7 TC -9
FREEPORT* PTSUNNY 17 3 52 SW8 30.28F WCI 7 TC -8
ILZ005-006-012>014-019>023-202100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 17 -2 43 SW9 30.30F WCI 6 TC -8
CHICAGO-MIDWAY PTSUNNY 19 0 43 SW14 30.32F WCI 6 TC -7
AURORA PTSUNNY 20 2 45 SW9 30.29F WCI 9 TC -7
JOLIET* MOSUNNY 23 3 43 SW7 30.33F WCI 14 TC -5
WAUKEGAN MOSUNNY 15 -1 49 SW14G22 30.28F WCI 0 TC -9
DUPAGE AIRPORT MOSUNNY 18 2 49 SW12 30.29F WCI 5 TC -8
WHEELING MOSUNNY 16 -1 47 SW10 30.32F WCI 4 TC -9
MORRIS* PTSUNNY 23 1 39 SW8 30.31F WCI 13 TC -5
ROMEOVILLE* SUNNY 19 1 45 S12 30.33F WCI 7 TC -7
LANSING* MOSUNNY 19 2 46 SW12 30.34F WCI 7 TC -7
NORTHERLY ISL* N/A 19 1 45 SW6 N/A WCI 11 TC -7
LMZ740>746-202100-
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 17 250/ 13/ 17 N/A
NORTHERLY ISL 18 220/ 8/ 12 N/A
CALUMET HARBOR 19 210/ 6/ 11 1026.7
BURNS HARBOR 18 210/ 6/ 9 1027.8F
MICHIGAN CITY 17 230/ 9/ 10 1028.9F
ILZ025>027-034>036-040-047-049-050-058-095>099-202100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 30 9 41 S13 30.24F WCI 20 TC -1
MACOMB* MOSUNNY 29 8 41 S6 30.27F WCI 22 TC -2
ILZ028>032-037-038-041>044-048-051>054-059>061-202100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 27 2 35 S12 30.31F WCI 16 TC -3
BLOOMINGTON SUNNY 30 10 43 S16 30.28F WCI 19 TC -1
DECATUR SUNNY 29 3 33 S14 30.32F WCI 18 TC -2
PEORIA MOSUNNY 28 6 39 S13G22 30.27F WCI 17 TC -2
LACON* MOSUNNY 28 2 33 SW7 30.28F WCI 20 TC -2
LINCOLN* SUNNY 32 2 28 SW9G20 30.30F WCI 24 TC 0
SPRINGFIELD SUNNY 32 5 32 S17G30 30.29F WCI 21 TC 0
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-202100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 28 4 35 S15 30.32F WCI 16 TC -2
DANVILLE* MOSUNNY 27 4 37 S13 30.35F WCI 16 TC -3
RANTOUL* PTSUNNY 27 7 43 SW14G20 30.33F WCI 15 TC -3
MATTOON SUNNY 28 4 35 SE17G24 30.34F WCI 16 TC -2
PARIS* CLOUDY 26 1 34 S13 30.38F WCI 15 TC -3
ILZ079-100>102-202100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 34 5 29 S17 30.30F WCI 23 TC 1
BELLEVILLE MOSUNNY 35 4 27 S15 30.32F WCI 25 TC 2
SPARTA* PTSUNNY 33 5 30 S13 30.37F WCI 24 TC 1
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 35 5 28 S17G24 30.40F WCI 25 TC 2
CAIRO* SUNNY 36 6 28 S8G17 30.44F WCI 30 TC 2
EFFINGHAM* SUNNY 31 3 31 S9 30.38F WCI 23 TC -1
MARION SUNNY 34 5 29 S13 30.41F WCI 25 TC 1
MT. VERNON SUNNY 31 6 35 S15 30.39F WCI 20 TC -1
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* SUNNY 32 4 31 S15 30.36F WCI 22 TC 0
ILZ067-068-072-073-078-083-087-091-202100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 28 1 31 S16G22 30.43F WCI 16 TC -2
FAIRFIELD* SUNNY 31 2 29 S13 30.41F WCI 21 TC -1
HARRISBURG* SUNNY 33 2 26 S10 30.43F WCI 25 TC 1
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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