Mississippi River at Saint Louis, MO
USGS gauge 07010000 · drainage 697,000 sq mi · observed Oct 16, 9:00 PM CDT · 20 min old
Weather alerts Official NWS
No active National Weather Service alerts were returned for this location. This is not a statement that conditions are safe.
Source: National Weather Service alerts for the gauge location, fetched Oct 16, 9:13 PM CDT.
River forecast Official NWS
| Time (gauge-local) | Gage height | Flow |
|---|---|---|
| Oct 17, 1:00 AM CDT | 10.4 ft | 203,000 cfs |
| Oct 17, 7:00 AM CDT | 10.3 ft | 202,000 cfs |
| Oct 17, 1:00 PM CDT | 10.3 ft | 202,000 cfs |
| Oct 17, 7:00 PM CDT | 10.2 ft | 200,000 cfs |
| Oct 18, 1:00 AM CDT | 10.0 ft | 198,000 cfs |
| Oct 18, 7:00 AM CDT | 9.9 ft | 197,000 cfs |
| Oct 18, 1:00 PM CDT | 9.7 ft | 195,000 cfs |
| Oct 18, 7:00 PM CDT | 9.6 ft | 194,000 cfs |
| Oct 19, 1:00 AM CDT | 9.5 ft | 193,000 cfs |
| Oct 19, 7:00 AM CDT | 9.3 ft | 190,000 cfs |
| Oct 19, 1:00 PM CDT | 9.1 ft | 188,000 cfs |
| Oct 19, 7:00 PM CDT | 9.0 ft | 187,000 cfs |
Source: National Weather Service forecast point EADM7, issued Oct 16, 8:35 PM CDT. Official forecasts change as rain and releases change.
Radar Official NWS
Source: National Weather Service radar, station KLSX. The loop is served live by the NWS and shows its own frame times.
Recent rain at the gauge location Official NWS
| Window | Rain | Valid through |
|---|---|---|
| Last 24 h | 0.18 in | Oct 16, 8:00 PM CDT |
| Last 2 days | 0.83 in | Oct 16, 7:00 AM CDT |
| Last 3 days | 1.94 in | Oct 16, 7:00 AM CDT |
Source: NWS River Forecast Center multisensor precipitation estimate, 4 km grid at the gauge location, fetched Oct 16, 9:14 PM CDT. Estimate, not a gauge at the stream. Each window is a separate NWS product with its own valid-through time, so a longer window can end earlier than a shorter one.
Forecast rain totals Official NWS
| Window | Forecast rain |
|---|---|
| Next 6 hours | 0.00 in |
| Next 12 hours | 0.00 in |
| Next 24 hours | 0.00 in |
| Next 48 hours | 0.00 in |
| Next 72 hours | 0.00 in |
| Next 7 days | 0.00 in |
Source: National Weather Service gridpoint quantitative precipitation forecast at the gauge location, updated Oct 16, 5:01 PM CDT. A forecast, not a measurement.
8 to 14 day outlook Official NWS
| Variable | Leaning | Probability |
|---|---|---|
| Temperature | Above | 60% |
| Precipitation | Normal | 36% |
Source: NOAA Climate Prediction Center 8 to 14 day outlook for Oct 24 to Oct 30, issued Oct 16. A probability is the chance of the leaning category (above, near or below normal) for the whole period, not an amount.
Hourly forecast, next 24 hours Official NWS
| 9p | 10p | 11p | Sat | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp °F | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 43 | 42 | 41 | 41 | 41 | 44 | 48 | 52 | 54 | 57 | 59 | 60 | 61 | 60 | 58 | 55 | 50 |
| Wind mph | 14 | 13 | 13 | 12 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 3 | 3 | 2 | 2 | 1 | 0 | 0 |
| Gust mph | 21 | 18 | 17 | 16 | 15 | 15 | 15 | 14 | 13 | 12 | 10 | 10 | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 3 | 2 | 2 | 1 |
| Direction | NNW | N | N | N | N | N | N | N | N | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | NE | ENE | N |
| Cloud % | 81 | 70 | 51 | 42 | 48 | 30 | 19 | 15 | 6 | 2 | 3 | 5 | 5 | 2 | 1 | 2 | 4 | 2 | 3 | 2 | 1 | 1 | 2 | 1 |
| Rain in/h | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rain chance % | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Source: National Weather Service gridpoint forecast, updated Oct 16, 5:01 PM CDT; rain chance from the NWS hourly point forecast. Hours are gauge-local. Darker cells mean a higher value in that row.
Weather forecast Official NWS
Source: National Weather Service point forecast, updated Oct 16, 5:01 PM CDT.
Air conditions Weather station
| Measure | Value |
|---|---|
| Air temperature | 52 °F |
| Wind | NNW 14 mph |
| Pressure | 30.40 inHg |
| Visibility | 10 mi |
Source: National Weather Service station KCPS, observed Oct 16, 9:00 PM CDT.
Sun Computed
| Event | Time (gauge-local) |
|---|---|
| Sunrise | 7:11 AM CDT |
| Sunset | 6:22 PM CDT |
Source: computed from the gauge location and date 2026-10-16. No external data.
Sources and method
- Forecasts, alerts and observations: National Weather Service. NWS material is not subject to copyright. Terms
- River forecasts and flood stages: National Weather Service. National Water Model guidance: NOAA. Terms
- Rain estimates and radar: NOAA and National Weather Service. Terms
- Outlook: NOAA Climate Prediction Center. Terms
- Data: U.S. Geological Survey. Terms
USGS daily statistics, downloaded 2026-10-12
Percentile method: trailing 24 h mean vs USGS daily percentiles for calendar date 10-16.
Percentile is estimated from USGS published daily percentiles. Readings are provisional until USGS reviews them. Not endorsed by USGS, NOAA or the National Weather Service. Not for navigation or safety-of-life decisions; the absence of an alert is not a statement that conditions are safe.