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Saint Louis Road Conditions
Radar and live pavement conditions on I-64, I-44 and I-55 through Saint Louis — plus closures nearby, the city's six-day forecast and how many days a year Saint Louis crosses freezing.
Updated Sep 1, 2026 3:15 AM CDT · Mostly dry
Lowest 75°F near Saint Louis, Missouri · Highest wind 6 mph near Saint Louis, Missouri
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Four interstates pass within 25 miles of Saint Louis, Missouri: I-64, I-44, I-55 and I-70. This page covers the 188 miles of them closest to the city — I-64 near mile 39, I-44 near mile 291, I-55 near mile 209, I-70 near mile 249.
- Interstates: I-64, I-44, I-55, I-70
- State: Missouri
- Interstate miles near the city: 188 mi
Weather data from Sep 1, 2026 3:15 AM CDT
75°F
82°F
6 mph
29.94-30.03 inHg
Current Saint Louis, Missouri Conditions by State
No full closures are reported in Saint Louis as of Sep 1, 2026 3:15 AM CDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
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.
-
Rest of today Sep 1
101°F 78°F
Dry
Wind to 7 mph
-
Wed Sep 2
103°F 81°F
Dry
Wind to 10 mph
-
Thu Sep 3
103°F 82°F
Dry
Wind to 10 mph
-
Fri Sep 4
102°F 82°F
Dry
Wind to 9 mph
-
Sat Sep 5
100°F 84°F
Wet worst around 9 PM
Wind to 8 mph
0.17 in precipitation -
Sun Sep 6
89°F 79°F
Dry
Wind to 6 mph
0.05 in precipitation
Forecast, not a measurement — from the same weather service that draws this page's radar and road colors, model run 8 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
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Saint Louis | 17.7" | 14.5 | 83.8 | 64 | Nov 3 | Apr 3 | 38.8 |
NOAA 1991–2020 Climate Normals, from a weather station in Missouri. A dash is a figure that station does not report, not a zero.
Summaries fetched Aug 31, 2026 7:04 AM CDT
Saint Louis, MO weather
- In Saint Louis, MO, a heat advisory is currently in effect from 12:00 PM on August 31, 2026, until 8:00 PM on September 4, 2026
- The forecast indicates a maximum feels like temperature of 98°F expected in the next 5 to 6 hours, which poses a temperature risk for outdoor activities
- As of 7:03 AM, the temperature is 73°F with a dew point of 65°F and humidity at 74%
- Winds are blowing from the south-southeast at 2.8 MPH
- The atmospheric pressure is measured at 30.06 inHg, and visibility is clear at 9.9 miles
- The weather is sunny with a UV index of 0, indicating low sun exposure risk.
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 Sep 1, 2026 3:15 AM CDT. Right now temperatures run from 75°F to 82°F and the strongest wind is 6 mph.
- What is the weather forecast for Saint Louis this week?
- At the summit, Sep 1 to Sep 6: highs 89-103°F, lows 78-84°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 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.
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