861
ASUS43 KLOT 200803
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM 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.
ILZ001-002-007-009-015-016-024-200900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 53 52 96 E15 29.69 FOG TC 12
STERLING* CLOUDY 55 51 86 E16G26 29.75S TC 13
ILZ003-004-008-010-011-017-018-200900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 52 45 77 E15G29 29.80F THUNDER TC 11
ILZ005-006-012>014-019>023-200900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 55 45 68 E13G24 29.84F TC 13
CHICAGO-MIDWAY CLOUDY 57 45 64 E18G30 29.84F TC 14
AURORA CLOUDY 57 46 66 E20G28 29.79F TC 14
WAUKEGAN CLOUDY 48 41 76 E12 29.90F TC 9
DUPAGE AIRPORT CLOUDY 56 46 69 E18G26 29.81F TC 13
WHEELING CLOUDY 52 45 77 E12G23 29.89F TC 11
MORRIS* LGT RAIN 59 49 68 E16G22 29.78F TC 15
LANSING* CLOUDY 56 46 68 E15G24 29.86F TC 13
NORTHERLY ISL* N/A 53 47 79 E12 N/A TC 12
LMZ740>746-200900-
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 55 90/ 22/ 24 N/A
NORTHERLY ISL 53 80/ 12/ 16 N/A
CALUMET HARBOR 56 60/ 13/ 16 1010.8
BURNS HARBOR 56 110/ 9/ 13 1011.9F
MICHIGAN CITY 56 100/ 12/ 16 1011.0F
ST. JOSEPH BUOY 54 55 110/ 25/ 39 1013.1F 3/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-200900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 66 63 90 S6 29.58F TC 19
GALESBURG* RAIN 55 54 96 E15G23 29.65F TC 13
MACOMB* HVY RAIN 56 56 99 NE13 29.65F VSB 1 TC 13
PITTSFIELD* CLOUDY 65 65 99 CALM 29.60F TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-200900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON RAIN 58 57 97 E20 29.79R FOG TC 14
DECATUR HVY RAIN 65 63 93 SE22G30 29.72F FOG TC 18
PEORIA HVY RAIN 58 57 97 E18G29 29.69F FOG TC 14
LACON* RAIN 56 52 85 SE9 29.76R TC 14
LINCOLN* HVY RAIN 63 63 100 E15G22 29.70F TC 17
SPRINGFIELD MOCLDY 65 64 97 E20G31 29.62F TC 18
TAYLORVILLE HVY RAIN 64 64 100 MISG 29.67S TC 18
ILZ033-039-045-046-055>057-062-063-200900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 63 57 81 E12 29.78R TC 17
RANTOUL* RAIN 59 53 80 E15 29.79R TC 15
MATTOON TSTM 63 62 97 SE7 29.75R FOG TC 17
ILZ079-100>102-200900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY N/A N/A N/A CALM 29.63F
BELLEVILLE PTCLDY 69 65 89 CALM 29.63F TC 21
CAHOKIA* CLOUDY 67 64 90 S5 29.62F TC 19
SPARTA* CLOUDY 68 66 95 SW3 29.68F TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-200900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 67 64 90 S7 29.71F TC 19
CAIRO* CLOUDY 66 65 94 CALM 29.73F TC 19
MARION LGT RAIN 65 64 96 SW7 29.73F TC 18
MT. VERNON RAIN 68 66 93 SW6 29.71 TC 20
CENTRALIA* LGT RAIN 67 66 97 SW10 29.69F TC 20
SALEM* LGT RAIN 70 67 89 SW8G17 29.69F TC 21
METROPOLIS* LGT RAIN 67 65 94 W9G21 29.76R TC 19
ILZ067-068-072-073-078-083-087-091-200900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE TSTM 68 66 93 SE10 29.75R FOG TC 20
FLORA* HVY RAIN 68 N/A N/A SE15 29.72F FOG TC 20
FAIRFIELD* TSTM 69 67 92 SW10G16 29.72S TC 21
HARRISBURG* TSTM 66 65 94 W10 29.74R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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