Indiana Dunes National Park
INWEATHER INFO
On average, the warmest month is July and the highest recorded temperature was 105F in 1934. The coolest month is January, with the lowest recorded temperature of -25F in 1985. June sees the most precipitation with an average rainfall of 4.66 Inches.
Weather @ Indiana Duneslast updated: 3 hrDIRECTIONS INFO
PARK CLOSURE
Partial Closures to Marquette Greenway Trail and Glenwood Dunes Trail
Marquette Greenway construction will require closing sections of the Glenwood Dunes Trail (April–December 2026) and Little Calumet / Mnoké Prairie Trail (May–December 2026). Closure dates may shift as work progresses. Please follow all posted closures and check the park website or NPS App for updates.
PARK CLOSURE
Mount Baldy Closure
Closure: The Mount Baldy Access Site will be closed from late March through mid-June, 2026, for sand removal and shoreline stabilization work.
moreINFORMATION
Partial Trail Closure at Portage Lakefront and Riverwalk
Closed portion of Portage Lakefront and Riverwalk Trail along Burns Waterway due to unsafe conditions from erosional damage. This trail portion will remain closed while funding is sought for repair work. Pier access remains open on either side of closure.










