631
ASUS43 KLOT 202210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT TUE MAY 20 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.
ILZ001-002-007-009-015-016-024-202300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE HVY RAIN 61 60 97 NE8 29.56F FOG TC 16
STERLING* CLOUDY 59 59 100 E15 29.60S FOG TC 15
ILZ003-004-008-010-011-017-018-202300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 53 51 93 E12 29.68R FOG TC 12
ROCHELLE* RAIN 56 55 94 E10 29.65R TC 14
DE KALB* CLOUDY 55 55 97 E12 29.65S TC 13
PERU* RAIN 59 58 94 E3 29.61R TC 15
ILZ005-006-012>014-019>023-202300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 56 52 86 E18G25 29.65F TC 13
CHICAGO-MIDWAY HVY RAIN 57 53 86 E14G24 29.65F FOG TC 14
AURORA TSTM 57 54 89 E9G21 29.62F FOG TC 14
JOLIET* CLOUDY 60 57 90 E16G22 29.62F TC 15
WAUKEGAN CLOUDY 49 46 90 NE10 29.71F FOG TC 9
DUPAGE AIRPORT LGT RAIN 57 53 86 E13G23 29.63F TC 14
KANKAKEE* CLOUDY 59 57 94 E17G23 29.62F TC 15
WHEELING CLOUDY 52 50 93 E10G21 29.69F TC 11
MORRIS* LGT RAIN 59 58 96 E16G22 29.60S TC 15
ROMEOVILLE* CLOUDY 57 57 100 E16G24 29.64F TC 14
LANSING* CLOUDY 55 53 93 SE16G26 29.66F TC 13
NORTHERLY ISL* N/A 53 50 89 E14 N/A TC 12
LMZ740>746-202300-
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)
WILMETTE BUOY 48 60/ 8/ 12 1005.5 4/ 6
CHICAGO BUOY 54 56 90/ 16/ 19 1005.9 5/ 6
HARRISON CRIB 55 100/ 13/ 15 N/A
NORTHERLY ISL 53 100/ 15/ 15 N/A
CALUMET HARBOR 56 90/ 10/ 16 1004.1R
BURNS HARBOR 56 120/ 10/ 18 1005.4F
MICHIGAN CITY 54 120/ 18/ 22 1004.7F
ST. JOSEPH BUOY 52 50 120/ 29/ 39 1006.5F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-202300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 69 59 70 W18G29 29.60R TC 21
GALESBURG* PTSUNNY 67 59 77 NW9 29.58R TC 19
MACOMB* PTSUNNY 70 63 78 W17G25 29.59R TC 21
JACKSONVILLE* MOSUNNY 74 59 59 W16G26 29.57S TC 24
PITTSFIELD* CLOUDY 74 60 60 W15G24 29.60R TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-202300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 66 64 91 E13G20 29.56S TC 19
BLOOMINGTON CLOUDY 70 64 83 SW7 29.58S TC 21
DECATUR PTSUNNY 80 63 55 SW21G31 29.56S HX 81 TC 27
PEORIA LGT RAIN 64 62 93 W8 29.57R FOG TC 18
LACON* RAIN 60 57 92 CALM 29.58S TC 15
LINCOLN* MOSUNNY 73 62 67 W7 29.57S TC 23
SPRINGFIELD SUNNY 75 63 66 W18 29.56S TC 24
TAYLORVILLE MOSUNNY 79 63 57 MISG 29.56S HX 80 TC 26
ILZ033-039-045-046-055>057-062-063-202300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 73 67 81 SW14 29.55S TC 23
RANTOUL* CLOUDY 67 61 80 CALM 29.56S TC 20
MATTOON PTSUNNY 78 63 59 SW13 29.56F HX 80 TC 26
PARIS* PTSUNNY 77 69 77 SE15 29.57F TC 25
ILZ079-100>102-202300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 81 61 50 W12G21 29.57S HX 81 TC 27
BELLEVILLE MOSUNNY 83 62 48 W14 29.55S HX 83 TC 28
CAHOKIA* MOSUNNY 80 61 52 W10G18 29.56F HX 81 TC 27
SPARTA* MOSUNNY 82 63 52 SW7 29.59S HX 84 TC 28
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-202300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 81 66 60 S8G18 29.58F HX 83 TC 27
CAIRO* SUNNY 77 69 75 S9 29.63R TC 25
MARION MOSUNNY 79 70 73 S12 29.59F HX 81 TC 26
MT. VERNON PTSUNNY 80 68 66 S9 29.58F HX 83 TC 27
CENTRALIA* PTSUNNY 78 64 62 SW9 29.58F HX 80 TC 26
SALEM* PTSUNNY 81 65 58 SW13 29.58S HX 83 TC 27
METROPOLIS* MOSUNNY 71 64 77 S5 29.63F TC 22
ILZ067-068-072-073-078-083-087-091-202300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 81 67 62 SW18G25 29.59F HX 83 TC 27
FLORA* MOSUNNY 79 66 65 SW13 29.59F HX 81 TC 26
FAIRFIELD* SUNNY 79 64 59 S9G16 29.58F HX 81 TC 26
HARRISBURG* MOSUNNY 79 68 69 SW9 29.60F HX 82 TC 26
ROBINSON* MOSUNNY 81 66 61 SW16 29.57F HX 83 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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