I-64 Missouri Road Conditions

I-64 crosses 41 miles of Missouri, from the Illinois line to its end in the state. That is 7% of I-64's 593 miles.

Inside Missouri it meets I-70, I-44 and I-55 at Saint Louis.

By mile marker, I-64 passes Saint Louis 39. It is the only city on this stretch that the mileposts name.

No full closures are reported on I-64 in Missouri as of Oct 8, 2026 10:33 PM CDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.

Winter reporting is off for the season. Iowa DOT's Winter Road Conditions – Midwest Region feed, which carries Missouri DOT's segment-by-segment snow and ice conditions, runs from October 15 to April 15; outside that window it changes only as needed. Our own forecast below runs year-round.

Conditions are entered by Missouri DOT maintenance staff and describe what is on the pavement, not the forecast. They reach this page through Iowa DOT's Winter Road Conditions – Midwest Region feed, published for reference; the authoritative report is MoDOT Traveler. Always check with MoDOT Traveler before setting off.

Source: Missouri DOT, via Iowa DOT's Midwest Region layer, CC BY 4.0.

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

Towns Along I-64 in Missouri

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

1. 0 mi Wentzville 1.9 mi off the road
2. 11 mi Cottleville 3.1 mi off the road
3. 20 mi Ellisville 4.7 mi off the road
4. 23 mi Manchester 3.9 mi off the road
5. 27 mi Frontenac
6. 29 mi Ladue
7. 30 mi Rock Hill 1.4 mi off the road
8. 31 mi Webster Groves 3.0 mi off the road
9. 32 mi University City 2.5 mi off the road
10. 33 mi Maplewood 1.2 mi off the road
11. 34 mi Wellston 2.9 mi off the road
12. 37 mi St. Louis

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

Related Roads

I-64 in Missouri Road Weather FAQ

Is Interstate 64 in Missouri closed right now?

No full closures are reported on I-64 in Missouri. No lane closures or roadworks are reported either.

What are I-64 in Missouri road conditions today?

The map on this page colors the route along I-64 in Missouri by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Oct 8, 2026 10:33 PM CDT. Right now temperatures run from 63°F to 67°F and the strongest wind is 1 mph.

Where are Missouri road closures reported officially?

Missouri's official traveler information service is MoDOT Traveler, at traveler.modot.org, and it is where closures and restrictions are reported.

How often does Missouri DOT update winter road conditions?

Missouri DOT reports the winter condition of each stretch of state highway through Iowa DOT's Winter Road Conditions – Midwest Region feed, which runs from October 15 to April 15 and refreshes every 10 minutes. The conditions are entered by maintenance staff and describe what is on the pavement, not a forecast; this page shows the current report for I-64 in Missouri beside our own road-surface forecast.

Are there live traffic cameras on I-64 in Missouri?

Yes. This page shows 2 live views on I-64 in Missouri from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.

How often are I-64 in Missouri 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.