Iowa DOT Logo IADOT ISP
Winter Road Conditions
US 20 Whole Road 15 reports
Sioux City to Fort Dodge 4 reports
Fort Dodge to Waterloo 8 reports
Waterloo to Dubuque 4 reports
Reports on US 20
Map of Reports on US 20 Between Exit 1B: I-129; I-29; US 75 and Exit 4: US 75; IA 12; Gordon Drive (Sioux City). The roadway is generally clear. Isolated frozen precipitation may exist. Between Exit 4: US 75; IA 12; Gordon Drive (Sioux City) and IA 140; County Road K64 (Moville). The roadway is partially covered with mixed snow ice or slush. Ramp conditions could vary from the main roadway. Look out for icy bridges. Expect blowing snow. Between IA 140; County Road K64 (Moville) and Exit 116: County Road D20 (Moorland). The roadway is completely covered with ice. Expect blowing snow. Look out for drifting snow on the roadway. Between Exit 116: County Road D20 (Moorland) and Exit 136: IA 17; County Road R21 (near Webster City). The roadway is completely covered with ice. Between Exit 136: IA 17; County Road R21 and Exit 145: R38 (near Webster City). The roadway is completely covered with ice. Expect blowing snow. Between Exit 145: R38 (near Webster City) and Exit 149: US 69 (near Blairsburg). The roadway is completely covered with ice. Look out for drifting snow on the roadway. Between Exit 149: US 69 (near Blairsburg) and Exit 142: I-35 (near Williams). The roadway is completely covered with ice. Expect blowing snow. Between Exit 142: I-35 (near Williams) and Exit 162: County Roads S27 and D38 (near Buckeye). The roadway is partially covered with snow. Expect blowing snow. Between Exit 162: County Roads S27 and D38 (near Buckeye) and Exit 215: County Road T55 (Dike). The roadway is partially covered with ice. Expect blowing snow. Between Exit 215: County Road T55 (Dike) and Exit 224: IA 58; Hudson Road (Cedar Falls). The roadway is partially covered with mixed snow ice or slush. Between Exit 224: IA 58; Hudson Road (Cedar Falls) and Exit 71A: I-380; US 218 (Waterloo). The roadway is generally clear. Isolated frozen precipitation may exist. Between Exit 65: I-380; IA 27 (near Raymond) and Exit 245: County Road V65 (near Jesup). The roadway is generally clear. Isolated frozen precipitation may exist. Between Exit 245: County Road V65 (near Jesup) and Exit 308: County Road Y21 (Peosta). The roadway is generally clear. Isolated frozen precipitation may exist. Expect blowing snow. Between Exit 308: County Road Y21 (Peosta) and IA 32 (Dubuque). The roadway is partially covered with snow. Expect blowing snow. Between IA 32 and the Mississippi River bridge (Dubuque). The roadway is generally clear. Isolated frozen precipitation may exist. Ramp conditions could vary from the main roadway.
Google Static Map Image
Seasonal Seasonal Partially Covered Partially Covered Completely Covered Completely Covered
Travel Not Advised Travel Not Advised Impassable Impassable Closure Closure or Blockage

See Road Reports for all closures