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Radar and live pavement conditions on the 66 miles of I-55 in Louisiana — plus closures, road work and city-by-city weather across the state.
Updated Sep 14, 2026 9:33 PM CDT · Mostly dry, wet in places
Lowest 77°F near New Orleans, Louisiana · Highest wind 2 mph near New Orleans, Louisiana
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I-55 runs 66 miles across Louisiana. It passes New Orleans.
Weather data from Sep 14, 2026 9:33 PM CDT
I-55 crosses 66 miles of Louisiana, from the Mississippi line to its end in the state. That is 7% of I-55's 964 miles.
No full closures are reported on I-55 in Louisiana as of Sep 14, 2026 9:33 PM CDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| New Orleans | — | — | 3.8 | 3.8 | Dec 27 | Jan 31 | 93.1 |
NOAA 1991–2020 Climate Normals, from a weather station in Louisiana. A dash is a figure that station does not report, not a zero.
From Ponchatoula to Kentwood, with the position of each town measured along this stretch itself — counted from the Ponchatoula end, not from a state milepost, so it will not match the numbers on the signs.
Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.
Summaries fetched Sep 14, 2026 7:03 AM CDT
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Weather Navigation carries the same radar and road-surface data on Apple CarPlay and Android Auto, with a weather-aware route planner, storm-cell tracking and radar that refreshes every two minutes over the US.