723
ASUS43 KLOT 271706
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-271800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 63 58 83 SE22G37 29.47F TC 17
STERLING* MOSUNNY 58 58 100 E31G37 29.48F TC 14
SAVANNA* CLOUDY 59 57 91 SE15G32 29.51F TC 15
ILZ003-004-008-010-011-017-018-271800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD TSTM 56 54 93 S9 29.78S FOG TC 13
FREEPORT* PTSUNNY 56 55 95 SE39G52 29.48F TC 13
ROCHELLE* RAIN 56 54 92 S16 29.79R TC 14
DE KALB* TSTM 56 55 99 S12 29.81S TC 13
PERU* HVY RAIN 58 57 96 SW7 29.83R TC 15
ILZ005-006-012>014-019>023-271800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 59 52 77 S10 29.78F TC 15
CHICAGO-MIDWAY LGT RAIN 61 53 75 SE7 29.78F TC 16
AURORA HVY RAIN 57 55 93 S9 29.82R FOG TC 14
JOLIET* HVY RAIN 60 57 91 SW5 29.83R TC 16
WAUKEGAN CLOUDY 52 50 93 SE12G21 29.78F TC 11
DUPAGE AIRPORT HVY RAIN 57 54 89 S12 29.81R FOG TC 14
KANKAKEE* TSTM 58 56 94 S8G23 29.81R TC 15
WHEELING PTSUNNY 57 53 86 SE9 29.79F TC 14
MORRIS* TSTM 59 55 87 S9 29.81R TC 15
ROMEOVILLE* RAIN 59 57 94 SW14G25 29.83R FOG TC 15
LANSING* LGT RAIN 59 52 77 SE14G24 29.76F TC 15
NORTHERLY ISL* N/A 54 50 86 E10 N/A TC 12
LMZ740>746-271800-
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 1014.4R 3/ 4
WAUKEGAN HARBOR 48 47 110/ 8/ 12 1009.9F 2/ 4
HARRISON CRIB 54 120/ 17/ 18 N/A
NORTHERLY ISL 54 110/ 5/ 8 N/A
CALUMET HARBOR 61 1008.0F
BURNS HARBOR 60 130/ 9/ 14 1009.5F
MICHIGAN CITY 62 130/ 12/ 16 1009.5
ST. JOSEPH BUOY 58 130/ 16/ 19 1011.2F 2/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-271800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 61 58 90 S15 29.55R TC 16
GALESBURG* SUNNY 62 58 88 SE15G25 29.52S TC 16
MACOMB* MOSUNNY 61 60 97 SE16 29.58R TC 16
JACKSONVILLE* CLOUDY 58 58 100 SE16 29.64F TC 15
PITTSFIELD* PTSUNNY 59 59 99 SE18G30 29.60F TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-271800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC HVY RAIN 58 57 96 MISG 29.81R TC 15
BLOOMINGTON RAIN 59 59 100 E15 29.78F TC 15
DECATUR TSTM 59 57 93 S10 29.79 FOG TC 15
PEORIA LGT RAIN 59 59 100 E14G31 29.62F TC 15
LACON* LGT RAIN 58 56 92 E28G33 29.60F TC 15
LINCOLN* RAIN 63 63 100 SW3 29.77R TC 17
SPRINGFIELD RAIN 60 58 92 SE8 29.73F TC 16
TAYLORVILLE CLOUDY 59 57 94 SE5 29.77F TC 15
ILZ033-039-045-046-055>057-062-063-271800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 61 60 97 S32G44 29.79R VSB 3/4 TC 16
DANVILLE* PTSUNNY 61 57 85 CALM 29.78F TC 16
RANTOUL* HVY RAIN 59 57 93 S9 29.82R TC 15
MATTOON CLOUDY 62 60 93 S17G31 29.75R THUNDER TC 17
PARIS* PTSUNNY 60 56 87 SE16G22 29.75F THUNDER TC 16
ILZ079-100>102-271800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON LGT RAIN 63 59 88 NE13G31 29.74F TC 17
BELLEVILLE PTSUNNY 71 68 90 SE5 29.71S TC 22
CAHOKIA* CLOUDY 72 66 81 SE8 29.70F TC 22
SPARTA* CLOUDY 74 68 80 SW10G20 29.75R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-271800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 78 69 73 S24G41 29.73F HX 80 TC 26
CAIRO* CLOUDY 78 69 74 S14 29.82F HX 80 TC 26
EFFINGHAM* CLOUDY 64 63 95 SE20G30 29.76F TC 18
MARION CLOUDY 73 70 88 S14G23 29.77F TC 23
CENTRALIA* CLOUDY 69 64 83 S10G18 29.77R TC 21
SALEM* CLOUDY 69 64 85 S13G21 29.78R TC 21
METROPOLIS* CLOUDY 74 67 78 S12 29.84S TC 24
ILZ067-068-072-073-078-083-087-091-271800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 66 59 78 S22 29.84F TC 19
FLORA* CLOUDY 64 N/A N/A S20 29.79F TC 18
FAIRFIELD* CLOUDY 65 62 87 SE17G26 29.79F TC 19
HARRISBURG* CLOUDY 66 65 96 SE8 29.82F TC 19
ROBINSON* RAIN 66 63 88 S16 29.81F TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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