599
ASUS43 KLOT 201712
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-201800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 65 61 87 E16 29.56F THUNDER TC 18
STERLING* PTSUNNY 58 58 100 SE14G24 29.65F TC 14
ILZ003-004-008-010-011-017-018-201800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD DRIZZLE 51 48 89 VRB6 29.72S FOG TC 11
ROCHELLE* CLOUDY 53 51 92 SE20G26 29.68F TC 12
DE KALB* CLOUDY 53 53 100 E16 29.71F TC 11
PERU* CLOUDY 59 57 92 E18 29.64F TC 15
ILZ005-006-012>014-019>023-201800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 54 50 86 E13 29.74R TC 12
CHICAGO-MIDWAY CLOUDY 56 50 80 E10 29.74S TC 13
AURORA CLOUDY 56 51 84 E16G28 29.70F TC 13
JOLIET* CLOUDY 57 54 88 SE14G20 29.73F TC 14
WAUKEGAN LGT RAIN 48 44 86 E14 29.77S TC 9
DUPAGE AIRPORT CLOUDY 54 50 86 E9 29.72F TC 12
KANKAKEE* CLOUDY 58 55 89 SE23G29 29.72F TC 14
WHEELING RAIN 51 48 89 SE8 29.78R FOG TC 11
MORRIS* CLOUDY 57 54 89 SE22 29.68F TC 14
ROMEOVILLE* CLOUDY 55 55 100 SE17 29.74S TC 13
LANSING* CLOUDY 55 51 88 SE17G28 29.74S TC 13
NORTHERLY ISL* N/A 52 49 89 E13 N/A TC 11
LMZ740>746-201800-
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 54 110/ 21/ 24 N/A
NORTHERLY ISL 53 90/ 13/ 20 N/A
CALUMET HARBOR 55 120/ 13/ 19 1006.3
BURNS HARBOR 56 130/ 10/ 20 1007.5R
MICHIGAN CITY 54 120/ 23/ 30 1005.8F
ST. JOSEPH BUOY 52 51 130/ 29/ 41 1008.8F 3/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-201800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 68 62 81 S14G23 29.57R TC 20
GALESBURG* PTSUNNY 72 62 71 S7 29.58S TC 22
MACOMB* PTSUNNY 71 64 79 S16 29.58F TC 22
JACKSONVILLE* PTSUNNY 72 63 73 S15 29.58F TC 22
PITTSFIELD* CLOUDY 71 65 83 S12 29.60R TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-201800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 62 60 93 SE18 29.67S TC 17
BLOOMINGTON PTSUNNY 68 68 100 SE17G24 29.63F TC 20
DECATUR PTSUNNY 74 65 73 S12 29.63F TC 23
PEORIA LGT RAIN 70 63 78 SE8 29.57F TC 21
LACON* CLOUDY 63 60 91 SE15 29.61F TC 17
LINCOLN* CLOUDY 73 64 73 S15 29.61S TC 23
SPRINGFIELD CLOUDY 72 65 78 S18 29.60S TC 22
TAYLORVILLE CLOUDY 73 64 73 MISG 29.63R TC 23
ILZ033-039-045-046-055>057-062-063-201800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 69 65 86 SE16 29.67S TC 21
RANTOUL* CLOUDY 63 61 93 SE14 29.69S TC 17
MATTOON PTSUNNY 73 67 81 SE20G32 29.64F TC 23
PARIS* CLOUDY 65 64 95 SE16G22 29.70S TC 19
ILZ079-100>102-201800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 73 63 68 S14G21 29.63R TC 23
BELLEVILLE PTSUNNY 79 68 69 S14G21 29.62R HX 81 TC 26
CAHOKIA* CLOUDY 75 64 68 SW9G21 29.62R TC 24
SPARTA* CLOUDY 76 67 71 SW22G28 29.66R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 77 65 66 SW18G25 29.66R TC 25
CAIRO* MOSUNNY 77 69 75 SW13 29.69S TC 25
MARION PTSUNNY 73 66 78 S17 29.67R TC 23
MT. VERNON N/A 76 68 76 S13 29.67S TC 24
CENTRALIA* CLOUDY 76 66 71 S16 29.65S TC 24
SALEM* CLOUDY 75 66 72 S9 29.65S TC 24
METROPOLIS* MOSUNNY 76 65 67 SW10 29.69S TC 25
ILZ067-068-072-073-078-083-087-091-201800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 75 68 78 S14 29.68F TC 24
FLORA* MOSUNNY 75 68 78 S15 29.67S TC 24
FAIRFIELD* PTSUNNY 75 65 72 S12G17 29.68S TC 24
HARRISBURG* CLOUDY 76 66 71 SW15 29.69R TC 25
ROBINSON* CLOUDY 72 68 88 SE9 29.67F TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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