Waltonville Lake, IL Weather Maps °F °C°F °C Illinois Map Options Temperatures Weather Dew Point Wind Speeds Barometric Pressure Heat Index Wind Chill Temperatures Weather Dew Point Wind Speeds Barometric Pressure Heat Index Wind Chill Humidity UTC Time: 8/16/2026, 01:53 Your Time: Waltonville Lake, Illinois Hour by Hour Forcast Aeronautical Observation: Automated synoptic observations via NWS Gateway. Auto-refresh in: 5:02 Waltonville Lake, IL Regional Weather Expires:202608160200;;261640 ASUS43 KLOT 160107 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 800 PM CDT SAT AUG 15 2026 NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY. * THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT REPORT WEATHER SUCH AS PRECIPITATION OR FOG. ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160200- SOUTH-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS CARBONDALE CLEAR 84 75 74 S5 30.04S HX 92 TC 29 CAIRO* CLEAR 86 78 75 CALM 30.05R HX 98 TC 30 EFFINGHAM* PTCLDY 82 82 100 E3 30.04S HX 94 TC 28 MARION CLEAR 84 76 75 CALM 30.06S HX 93 TC 29 MT. VERNON CLEAR 84 77 79 S5 30.04R HX 94 TC 29 CENTRALIA* CLEAR 83 76 78 CALM 30.03S HX 92 TC 29 SALEM* N/A 86 77 74 MISG 30.03S HX 97 TC 30 METROPOLIS* CLEAR 83 76 79 CALM 30.06S HX 90 TC 28 $$ SKY/WX - Weather TMP - Temperature DP - Dew Point RH - HumidityWIND - Wind Direction/Speed PRES - Barometric Pressure VSB - VisibilityWCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph Illinois Weather Map Illinois Wind Speeds Map Illinois Humidity Map Illinois Barometric Pressure Map
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