Saint Louis Road Conditions

No full closures are reported in Saint Louis as of Oct 16, 2026 3:48 AM CDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.

No snow or ice reported. Missouri DOT shows all 11 interstate segments around Saint Louis in normal condition as of Oct 16, 2026 4:30 AM CDT. Reports update every 10 minutes through April 15. When snow moves in, this section lists each affected stretch with its mile markers and how long it has been that way.

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.

Saint Louis Weather Forecast: Next 6 Days

For Saint Louis itself. Each day shows its warmest and coldest hour, and the worst driving conditions forecast anywhere in it — not the average, because the hour that ices a bridge is the one worth knowing about.

1. Rest of today Oct 16

   

   55°F 48°F

   Moist

   Wind to 18 mph
   0.01 in precipitation

2. Sat Oct 17

   

   60°F 42°F

   Dry

   Wind to 11 mph

3. Sun Oct 18

   

   68°F 48°F

   Dry

   Wind to 8 mph

4. Mon Oct 19

   

   73°F 52°F

   Dry

   Wind to 9 mph

5. Tue Oct 20

   

   75°F 55°F

   Dry

   Wind to 6 mph

6. Wed Oct 21

   

   74°F 58°F

   Dry

   Wind to 5 mph

Forecast, not a measurement — from the same weather service that draws this page's radar and road colors, model run 9 hours ago. Days run on Central time, the clock the pass keeps — not the reader's.

Getting Around Saint Louis

• I-270 bypasses Saint Louis for 50.6 miles; I-255 across the south carries the rest of the ring. Locally, the outer belt.
• I-255 bypasses Saint Louis for 30.8 miles; I-270 across the north carries the rest of the ring. Locally, the outer belt.

Interstates Through Saint Louis

These interstates run within 25 miles of Saint Louis, nearest first. The mile is the milepost inside Missouri, counted the way the state counts it, so it should match the exit numbers.

• I-64 near mile 39 I-64 across Missouri
• I-44 near mile 291 I-44 across Missouri
• I-55 near mile 209 I-55 across Missouri
• I-70 near mile 249 1.1 mi from downtown I-70 across Missouri

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

Related Roads

Saint Louis Road Weather FAQ

Are any roads closed in Saint Louis right now?

No full closures are reported on I-64, I-44 and I-55 around Saint Louis. No lane closures or roadworks are reported either.

What are Saint Louis road conditions today?

The map on this page colors the interstates around Saint Louis by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Oct 16, 2026 3:48 AM CDT. Right now temperatures run from 55°F to 57°F and the strongest wind is 18 mph.

What is the weather forecast for Saint Louis this week?

At the summit, Oct 16 to Oct 21: highs 55-75°F, lows 42-58°F. No snow or ice is forecast on the road in that time. It is a forecast rather than a measurement, and the later days are less certain than the earlier ones.

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 the interstates around Saint Louis beside our own road-surface forecast.

Are there live traffic cameras in Saint Louis?

Yes. This page shows 6 live views in Saint Louis from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.

How often are Saint Louis 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.