445
ASUS43 KLOT 152001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT SUN MAR 15 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.
ILZ001-002-007-009-015-016-024-152100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE LGT RAIN 37 35 92 N15G26 29.33F FOG WCI 28
STERLING* PTSUNNY 37 37 100 N13 29.33F WCI 29 TC 3
SAVANNA* RAIN 35 33 92 N13G18 29.40R WCI 26 TC 2
ILZ003-004-008-010-011-017-018-152100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD HVY RAIN 35 34 96 N15G26 29.34S VSB 3/4 WCI 25
FREEPORT* CLOUDY 35 32 90 N15G24 29.37F WCI 25 TC 1
ILZ005-006-012>014-019>023-152100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 60 53 77 S20G35 29.25F TC 16
CHICAGO-MIDWAY LGT RAIN 63 53 70 S29G43 29.27F TC 17
AURORA LGT RAIN 59 55 87 S18G30 29.25F FOG TC 15
JOLIET* CLOUDY 64 55 71 S24G31 29.29F TC 18
WAUKEGAN RAIN 40 39 97 N17G25 29.29S FOG TC 4
DUPAGE AIRPORT LGT RAIN 58 54 86 S17G29 29.26F TC 14
WHEELING LGT RAIN 58 54 86 S15G26 29.27F TC 14
MORRIS* CLOUDY 63 54 74 S25G32 29.27F TC 17
ROMEOVILLE* CLOUDY 61 55 82 S28G38 29.29F TC 16
NORTHERLY ISL* N/A 61 50 67 S16 N/A TC 16
LMZ740>746-152100-
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 59 200/ 32/ 37 N/A
NORTHERLY ISL 61 190/ 19/ 29 N/A
CALUMET HARBOR 61 992.3F
BURNS HARBOR 62 190/ 12/ 18 993.9F
MICHIGAN CITY 62 190/ 20/ 26 992.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-152100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY LGT RAIN 47 45 93 NW24G39 29.34 TC 8
MACOMB* HVY RAIN 49 49 100 NW20 29.32R TC 9
PITTSFIELD* CLOUDY 67 54 63 S20G28 29.29F TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-152100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 64 53 67 S26G38 29.31F TC 18
BLOOMINGTON CLOUDY 62 55 77 S26G39 29.31F TC 17
DECATUR CLOUDY 65 54 67 S32G47 29.37F TC 18
PEORIA CLOUDY 64 54 69 S18G31 29.25F TC 18
LINCOLN* CLOUDY 66 51 58 S23G32 29.31F TC 19
SPRINGFIELD PTSUNNY 68 54 60 S30G45 29.31F TC 20
TAYLORVILLE CLOUDY 64 55 72 S31G38 29.37F TC 18
ILZ033-039-045-046-055>057-062-063-152100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 64 53 67 S31G47 29.39F TC 18
DANVILLE* CLOUDY 65 51 59 S33G40 29.42F TC 19
MATTOON CLOUDY 64 52 64 S20G45 29.43F TC 18
PARIS* CLOUDY 65 50 59 S29G40 29.47F TC 18
ILZ079-100>102-152100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 68 55 64 S26G37 29.37F TC 20
BELLEVILLE CLOUDY 67 59 74 SW18G35 29.39F TC 19
CAHOKIA* CLOUDY 66 55 67 S20G36 29.37 TC 19
SPARTA* CLOUDY 63 59 87 S21G31 29.47F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 65 56 72 S25G38 29.50F TC 18
CAIRO* CLOUDY 69 56 63 S14G21 29.54F TC 21
MARION CLOUDY 66 55 68 S25G32 29.52F TC 19
MT. VERNON CLOUDY 64 56 75 S21G31 29.49F TC 18
CENTRALIA* CLOUDY 65 56 72 S22G39 29.46F TC 18
SALEM* CLOUDY 66 56 68 S18G37 29.45F TC 19
ILZ067-068-072-073-078-083-087-091-152100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 70 52 52 SW25G35 29.51F TC 21
FLORA* CLOUDY 64 55 72 S28G33 29.49F TC 18
FAIRFIELD* CLOUDY 67 52 59 S16G26 29.51F TC 19
HARRISBURG* CLOUDY 69 51 51 SW24G32 29.53F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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