Grant Park Decatur, 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: 8/3/2026, 16:11 Your Time: Grant Park Decatur, Illinois Hour by Hour Forcast Aeronautical Observation: Automated synoptic observations via NWS Gateway. Auto-refresh in: 5:02 Grant Park Decatur, IL Regional Weather Expires:202608031700;;559717 ASUS43 KLOT 031610 RWRIL ILLINOIS REGIONAL WEATHER ROUNDUP NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1100 AM CDT MON AUG 03 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. ILZ028>032-037-038-041>044-048-051>054-059>061-031700- CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC MOSUNNY 75 69 82 N5 30.02S TC 24 BLOOMINGTON SUNNY 77 68 73 CALM 30.03S TC 25 DECATUR MOSUNNY 77 68 73 NE6 30.01S TC 25 PEORIA SUNNY 77 65 66 NW5 30.01S TC 25 LACON* SUNNY 74 63 67 N3 30.01S TC 24 LINCOLN* SUNNY 77 68 72 N5 30.02S TC 25 SPRINGFIELD SUNNY 78 66 66 NE6 30.01S HX 80 TC 26 TAYLORVILLE NOT AVBL $$ 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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