I-55 in Mississippi

I-55 Mississippi Road Conditions

Radar and live pavement conditions on the 290 miles of I-55 in Mississippi — plus closures, road work and city-by-city weather across the state.

Updated Sep 10, 2026 7:18 PM CDT · Mostly dry, wet in places

Lowest 82°F near Jackson, Mississippi · Highest wind 10 mph near Tunica, Mississippi

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I-55 runs 290 miles across Mississippi. It passes Jackson.

  • Interstate: I-55
  • State: Mississippi
  • Length in state: 290 mi

Temperature

Wind Speed

Rain Precip.

Coverage

Weather data from Sep 10, 2026 7:18 PM CDT

Up to 144 hours

Lowest temp.

82°F

Highest temp.

96°F

Highest wind

10 mph

Pressure

29.85-29.98 inHg

Current I-55 in Mississippi Conditions by State

Mississippi I-55 in Mississippi road conditions

Dry

  • Jackson 91°F · 8 mph wind · gusting 25 mph · Dry
  • Tunica 92°F · 10 mph wind · Dry

Official Mississippi road conditions (mdottraffic.com) ↗

I-55 in Mississippi, end to end

I-55 crosses 290 miles of Mississippi, between the Louisiana line and the Tennessee line. That is 30% of I-55's 964 miles.

Inside Mississippi it meets I-20 at Jackson, and I-69 at Tunica.

I-55 in Mississippi Closures & Road Blocks Today

4 current reports along the route. The 3 most serious are listed below. Always check with the responsible state DOT before setting off.

  • Lanes blocked

    Road Work : I-55 S between Chatawa Rd EX 4 and MS 584 EX 1 - Left lane closed. Pike County

    I-55 • southbound • MS • Until Oct 9, 10:00 PM

  • Lanes blocked

    Road Work : I-55 between Lawrence St EX 20A and US 98 E EX 15A - Left lane closed. Pike County

    I-55 • northbound • MS • Until Nov 20, 11:00 PM

  • Lanes blocked

    Road Work : I-55 N at MS 32 EX 227 - Right lane closed. Yalobusha County

    I-55 • northbound • MS • Until Sep 30, 6:00 PM

I-55 in Mississippi driving weather by the numbers

Place Snow a year Snow days Freezing nights Freeze–thaw days First freeze Last freeze Days over 90°F
Jackson 0.8" 0.6 40.5 39.5 Nov 12 Mar 20 71

NOAA 1991–2020 Climate Normals, from a weather station in Mississippi. A dash is a figure that station does not report, not a zero.

Towns Along I-55 in Mississippi

From Magnolia to Southaven, with the position of each town measured along this stretch itself — counted from the Magnolia end, not from a state milepost, so it will not match the numbers on the signs.

  1. 11 mi Magnolia
  2. 41 mi Brookhaven 1.7 mi off the road
  3. 70 mi Crystal Springs
  4. 92 mi Jackson 2.8 mi off the road
  5. 99 mi Flowood 4.8 mi off the road
  6. 112 mi Gluckstadt
  7. 145 mi Goodman 2.9 mi off the road
  8. 193 mi Duck Hill 4.2 mi off the road
  9. 251 mi Sardis
  10. 269 mi Coldwater
  11. 289 mi Southaven 1.1 mi off the road

Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.

Weather conditions overview along the road I-55 in Mississippi

Summaries fetched Sep 10, 2026 7:04 AM CDT

Jackson, MS weather

  • Current weather conditions in Jackson, MS indicate a sunny day with a temperature of 74°F and a dew point of 64°F
  • The relative humidity is at 73%, and the atmospheric pressure is 30.06 inHg
  • Winds are calm at 0 mph coming from 96° (east)
  • There are no active alerts at this time
  • However, it is important to note that in approximately 4 to 5 hours, the maximum feels-like temperature is forecasted to reach 103°F, which poses a low temperature risk for outdoor activities.

Tunica, MS weather

  • Currently in Tunica, MS, a heat advisory is in effect from 11:00 AM to 8:00 PM
  • The temperature is 75°F with a relative humidity of 87%, resulting in a comfortable but humid atmosphere
  • Winds are coming from the south at 2 mph
  • The forecast indicates that the maximum feels-like temperature could reach 104°F later in the day, which poses a temperature risk for outdoor activities
  • The visibility is good at 10 miles, and the barometric pressure is 30.06 inHg
  • As the day progresses, it is advisable to stay hydrated and limit outdoor exposure during the peak heat hours.

I-55 in Mississippi Road Weather FAQ

Is Interstate 55 in Mississippi closed right now?
No full closures are reported on I-55 in Mississippi as of Sep 10, 2026 8:02 PM CDT. 4 lane closures, roadworks or restrictions are in force. They are listed under closures and road blocks on this page.
What are I-55 in Mississippi road conditions today?
The map on this page colors the route along I-55 in Mississippi by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 10, 2026 7:18 PM CDT. Right now temperatures run from 82°F to 96°F and the strongest wind is 10 mph.
Where are Mississippi road closures reported officially?
Mississippi's official traveler information service is mdottraffic.com, and it is where closures and restrictions are reported.
How often are I-55 in Mississippi road conditions updated?
The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.

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