601
ASUS43 KLOT 152103
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 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.
ILZ001-002-007-009-015-016-024-152200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 36 34 92 N12 29.38S WCI 28 TC 2
STERLING* CLOUDY 36 36 100 N15G21 29.37R THUNDER FOG
SAVANNA* TSTM 34 32 92 N14G23 29.39R WCI 25 TC 1
ILZ003-004-008-010-011-017-018-152200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 35 34 96 N14G24 29.37R FOG WCI 26
FREEPORT* CLOUDY 34 31 91 N22G28 29.38S THUNDER WCI 22
PERU* RAIN 46 45 93 N13 29.29S TC 8
ILZ005-006-012>014-019>023-152200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 62 53 72 S17G33 29.24F TC 17
CHICAGO-MIDWAY CLOUDY 63 53 70 S25G38 29.26F TC 17
AURORA RAIN 42 41 96 N14G30 29.29R FOG TC 6
JOLIET* CLOUDY 65 55 68 S18G32 29.27F TC 19
WAUKEGAN RAIN 35 34 96 N16G26 29.35R FOG WCI 25
DUPAGE AIRPORT HVY RAIN 47 45 93 NW20G37 29.30R FOG TC 8
WHEELING CLOUDY 43 41 93 N20G30 29.30R TC 6
MORRIS* CLOUDY 64 54 70 S26G41 29.25F THUNDER TC 18
ROMEOVILLE* CLOUDY 63 55 77 S33G41 29.27F TC 17
NORTHERLY ISL* N/A 62 50 64 S24 N/A TC 17
LMZ740>746-152200-
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 61 190/ 33/ 38 N/A
NORTHERLY ISL 62 200/ 18/ 29 N/A
CALUMET HARBOR 170/ 16/ 21 991.5F
BURNS HARBOR 63 200/ 15/ 20 993.2F
MICHIGAN CITY 64 190/ 20/ 30 991.3F
ILZ025>027-034>036-040-047-049-050-058-095>099-152200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 40 39 97 NW23G36 29.37R TC 4
MACOMB* CLOUDY 41 41 100 NW28G35 29.37R TC 5
PITTSFIELD* CLOUDY 50 50 99 W18 29.34R THUNDER VSB 1/2
ILZ028>032-037-038-041>044-048-051>054-059>061-152200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 65 54 65 S31G41 29.27F TC 19
BLOOMINGTON CLOUDY 64 56 75 S35G51 29.27F TC 18
DECATUR CLOUDY 65 55 70 S23G41 29.33F TC 18
PEORIA HVY RAIN 53 51 93 NW12G26 29.27R FOG TC 12
LACON* TSTM 50 46 87 N10 29.27R TC 10
LINCOLN* CLOUDY 66 52 60 S22G33 29.28F TC 19
SPRINGFIELD PTSUNNY 67 55 65 S25G43 29.28F TC 19
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-152200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 63 54 72 S26G37 29.36F TC 17
DANVILLE* CLOUDY 65 52 62 S25G39 29.40F TC 18
MATTOON CLOUDY 63 54 72 S18G41 29.40F TC 17
PARIS* CLOUDY 64 51 64 S24G40 29.44F TC 18
ILZ079-100>102-152200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 66 55 68 S21G35 29.33F TC 19
BELLEVILLE CLOUDY 67 60 78 SW25G32 29.35F TC 19
CAHOKIA* CLOUDY 66 56 70 S13G32 29.33F TC 19
SPARTA* CLOUDY 63 59 88 S21G28 29.42F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-152200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 64 57 78 S17G32 29.46F TC 18
CAIRO* CLOUDY 67 58 74 SW9 29.51F TC 19
EFFINGHAM* LGT RAIN 64 57 78 S15G25 29.43F TC 18
MARION CLOUDY 64 57 77 S21G31 29.48F TC 18
MT. VERNON CLOUDY 64 57 78 S18G35 29.45F TC 18
CENTRALIA* CLOUDY 64 56 76 S22G31 29.42F TC 18
SALEM* CLOUDY 64 56 75 S18G31 29.42F TC 18
ILZ067-068-072-073-078-083-087-091-152200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 70 52 52 S21G32 29.47F TC 21
FLORA* CLOUDY 64 55 72 S25 29.46F TC 18
FAIRFIELD* CLOUDY 67 53 60 S23G31 29.48F TC 19
HARRISBURG* CLOUDY 69 51 51 S16G31 29.49F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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