799
ASUS43 KLOT 271806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT MON APR 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.
ILZ001-002-007-009-015-016-024-271900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 68 59 73 SE21G35 29.49R TC 20
6HR MIN TEMP: 60; 6HR MAX TEMP: 68; 6HR PCP: 0.60;
STERLING* MOSUNNY 62 60 93 SE20G29 29.51R TC 17
SAVANNA* CLOUDY 65 59 82 SE10 29.51F TC 18
ILZ003-004-008-010-011-017-018-271900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 58 56 93 SE16G40 29.56R TC 14
6HR MIN TEMP: 56; 6HR MAX TEMP: 59; 6HR PCP: 0.34;
FREEPORT* PTSUNNY 61 60 95 SE17G24 29.54R TC 16
ROCHELLE* PTSUNNY 59 57 93 SE26G36 29.52F TC 15
DE KALB* PTSUNNY 56 56 100 SE44G56 29.48F TC 13
PERU* MOSUNNY 61 60 97 SE30G37 29.53R TC 16
ILZ005-006-012>014-019>023-271900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE TSTM 57 55 93 S10 29.82S FOG TC 14
6HR MIN TEMP: 55; 6HR MAX TEMP: 59; 6HR PCP: 0.31;
CHICAGO-MIDWAY TSTM 58 56 93 S8 29.84R FOG TC 14
6HR MIN TEMP: 55; 6HR MAX TEMP: 61; 6HR PCP: 0.41;
AURORA RAIN 56 56 100 SE43G64 29.44F FOG TC 13
6HR MIN TEMP: 56; 6HR MAX TEMP: 59; 6HR PCP: 0.47;
JOLIET* HVY RAIN 59 59 100 CALM 29.85R TC 15
WAUKEGAN RAIN 51 50 96 S9 29.81R FOG TC 11
6HR MIN TEMP: 46; 6HR MAX TEMP: 52; 6HR PCP: 0.26;
DUPAGE AIRPORT HVY RAIN 57 56 96 S12 29.80F FOG TC 14
6HR MIN TEMP: 56; 6HR MAX TEMP: 59; 6HR PCP: 0.41;
KANKAKEE* TSTM 57 56 95 S9 29.89R TC 14
WHEELING HVY RAIN 57 55 93 S10 29.83F FOG TC 14
6HR MIN TEMP: 53; 6HR MAX TEMP: 58; 6HR PCP: 0.30;
MORRIS* HVY RAIN 57 57 100 CALM 29.82F TC 14
ROMEOVILLE* HVY RAIN 57 57 100 SW10G25 29.85R VSB 1 TC 14
LANSING* HVY RAIN 57 55 92 S7 29.86R TC 14
NORTHERLY ISL* N/A 58 53 84 SW2 N/A TC 14
LMZ740>746-271900-
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)
WINTHROP HARBOR 47 1014.1 2/ 4
WAUKEGAN HARBOR 49 47 150/ 8/ 12 1010.5 2/ 4
HARRISON CRIB 55 210/ 10/ 11 N/A
NORTHERLY ISL 54 180/ 4/ 12 N/A
CALUMET HARBOR 60 210/ 6/ 9 1010.1
BURNS HARBOR 60 170/ 6/ 10 1010.8R
MICHIGAN CITY 62 130/ 14/ 17 1007.7F
ST. JOSEPH BUOY 59 130/ 12/ 16 1010.7F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-271900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 62 59 90 S16G26 29.57R TC 17
GALESBURG* PTSUNNY 65 59 81 SE12G24 29.53F TC 18
MACOMB* PTSUNNY 65 63 92 SE14 29.57F TC 18
JACKSONVILLE* MOSUNNY 59 59 100 S17G24 29.63R TC 15
PITTSFIELD* MOSUNNY 61 60 99 SE18G25 29.62S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-271900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 60 59 97 MISG 29.68F TC 16
BLOOMINGTON LGT RAIN 59 59 100 SE23G29 29.68F TC 15
DECATUR LGT RAIN 60 58 92 S10 29.77F TC 16
PEORIA MOSUNNY 63 59 87 E6 29.56F TC 17
6HR MIN TEMP: 58; 6HR MAX TEMP: 63; 6HR PCP: 1.30;
LACON* MOSUNNY 60 57 88 SE16G28 29.58F TC 16
LINCOLN* TSTM 60 60 100 SE14G23 29.61F TC 16
SPRINGFIELD LGT RAIN 60 58 92 SE25G39 29.61F TC 16
6HR MIN TEMP: 59; 6HR MAX TEMP: 63; 6HR PCP: 1.88;
TAYLORVILLE CLOUDY 59 59 100 SE15 29.73F THUNDER TC 15
ILZ033-039-045-046-055>057-062-063-271900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 60 58 92 S9 29.81R FOG TC 16
DANVILLE* CLOUDY 61 59 94 S10 29.87R TC 16
RANTOUL* RAIN 61 60 96 SE7 29.81S TC 16
MATTOON TSTM 60 58 92 E8 29.80 FOG TC 16
PARIS* TSTM 60 59 98 W15G22 29.88R TC 15
ILZ079-100>102-271900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 63 61 94 N13 29.74S TC 17
BELLEVILLE PTSUNNY 75 71 86 E6 29.70F TC 24
CAHOKIA* PTSUNNY 77 69 76 SE12G23 29.67F TC 25
SPARTA* CLOUDY 74 70 85 S10G17 29.75S TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 77 68 73 S22G32 29.74R TC 25
6HR MIN TEMP: 62; 6HR MAX TEMP: 79; 6HR PCP: 0.31;
CAIRO* CLOUDY 80 69 69 S16G30 29.78F HX 82 TC 27
EFFINGHAM* LGT RAIN 60 60 100 SW6 29.85R VSB 3/4 TC 15
MARION CLOUDY 79 70 73 S21G35 29.74F HX 81 TC 26
CENTRALIA* CLOUDY 69 65 86 CALM 29.75F TC 21
SALEM* CLOUDY 69 65 86 SE7 29.76F TC 21
METROPOLIS* PTSUNNY 79 70 73 SE9G18 29.81F HX 81 TC 26
ILZ067-068-072-073-078-083-087-091-271900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 64 60 87 S31G43 29.80F TC 18
FLORA* CLOUDY 66 63 88 S13G23 29.80R TC 19
FAIRFIELD* CLOUDY 69 62 78 S15G23 29.79S TC 20
HARRISBURG* PTSUNNY 73 70 88 S20G25 29.78F TC 23
ROBINSON* CLOUDY 64 61 88 S25G36 29.78R TC 18
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