507
ASUS43 KLOT 270801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CST TUE JAN 27 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.
ILZ001-002-007-009-015-016-024-270900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 14 6 70 W15 29.99F WCI -1 TC -10
STERLING* PTCLDY 12 5 73 SW12 29.98F WCI -2 TC -11
SAVANNA* PTCLDY 13 4 68 SW14G21 29.96S WCI -2 TC -11
ILZ003-004-008-010-011-017-018-270900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 12 4 70 SW14G21 29.94F WCI -3 TC -11
FREEPORT* PTCLDY 12 5 71 W14G20 29.94S WCI -3 TC -11
PERU* MOCLDY 12 3 67 SW17G23 29.99F WCI -5 TC -11
ILZ005-006-012>014-019>023-270900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 11 1 64 SW17G28 29.93F WCI -6 TC -12
CHICAGO-MIDWAY CLOUDY 11 1 64 SW18G28 29.97F WCI -7 TC -12
AURORA CLOUDY 11 3 70 SW13G22 29.96F WCI -4 TC -12
JOLIET* N/A 13 4 66 SW8 30.01F WCI 2 TC -10
WAUKEGAN PTCLDY 11 2 67 W16G35 29.88F WCI -6 TC -12
DUPAGE AIRPORT PTCLDY 11 2 67 SW21G28 29.94F WCI -8 TC -12
WHEELING N/A 12 2 64 SW10G23 29.95F WCI -1 TC -11
MORRIS* CLOUDY 11 2 67 SW14 30.00F WCI -5 TC -12
ROMEOVILLE* CLOUDY 10 1 67 SW17G25 29.99F WCI -7 TC -12
LANSING* N/A 10 1 67 SW17G25 30.00F WCI -7 TC -12
NORTHERLY ISL* N/A 12 2 64 SW10 N/A WCI -1 TC -11
LMZ740>746-270900-
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 13 240/ 23/ 28 N/A
NORTHERLY ISL 11 220/ 10/ 13 N/A
CALUMET HARBOR 10 210/ 12/ 17 1014.9F
BURNS HARBOR 11 220/ 12/ 16 1015.9F
MICHIGAN CITY 12 220/ 21/ 28 1017.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-270900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 12 6 77 SW10 30.13R WCI -1 TC -11
GALESBURG* CLOUDY 13 10 86 SW12G21 30.04F WCI -1 TC -11
MACOMB* CLEAR 14 7 74 SW16 30.10S WCI -2 TC -10
JACKSONVILLE* CLEAR 15 5 65 SW13G18 30.14R WCI 1 TC -10
ILZ028>032-037-038-041>044-048-051>054-059>061-270900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 11 1 64 SW14G22 30.04F WCI -5 TC -12
BLOOMINGTON PTCLDY 8 1 73 SW20 30.06F WCI -11 TC -13
DECATUR CLEAR 9 0 67 SW18 30.13F WCI -10 TC -13
PEORIA PTCLDY 9 1 70 SW10 30.07F WCI -5 TC -13
LACON* CLOUDY 13 3 63 SW12G17 30.03F WCI 0 TC -10
LINCOLN* CLEAR 12 0 57 SW7 30.12S WCI 2 TC -11
SPRINGFIELD CLEAR 12 2 64 SW13 30.13S WCI -3 TC -11
TAYLORVILLE CLEAR 8 -1 67 S15 30.16F WCI -10 TC -13
ILZ033-039-045-046-055>057-062-063-270900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 9 1 70 SW21 30.12F WCI -11 TC -13
DANVILLE* CLEAR 7 -1 67 SW20 30.12F WCI -12 TC -14
RANTOUL* PTCLDY 9 0 66 SW21 30.10S WCI -11 TC -13
MATTOON CLEAR 8 -2 63 S12 30.14F WCI -7 TC -13
PARIS* CLEAR 7 -2 66 SW17 30.17F WCI -12 TC -14
ILZ079-100>102-270900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 16 4 59 SW10 30.21F WCI 4 TC -9
BELLEVILLE CLEAR 9 0 64 S6 30.24F WCI 0 TC -13
CAHOKIA* CLEAR 18 4 54 SW7 30.23F WCI 9 TC -8
SPARTA* CLEAR 11 -1 59 S10 30.29S WCI -3 TC -12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-270900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 12 1 61 S10 30.32F WCI -1 TC -11
CAIRO* CLEAR 11 2 68 S8 30.40F WCI -1 TC -12
EFFINGHAM* CLEAR 12 1 60 S13G21 30.22F WCI -3 TC -11
MARION CLEAR 10 -2 59 SW12 30.33S WCI -5 TC -12
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* CLEAR 13 1 58 SW14 30.24F WCI -2 TC -11
ILZ067-068-072-073-078-083-087-091-270900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 5 -5 63 S15 30.28F WCI -13 TC -15
FLORA* CLEAR 9 0 66 S16 30.26F WCI -9 TC -13
FAIRFIELD* CLEAR 5 -4 68 S3 30.30F TC -15
HARRISBURG* CLEAR 12 0 59 SW10 30.34F WCI -2 TC -11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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