MVS Operational 7-Day River Forecast

Forecast Date: Thursday, 23 July 2026

Note - This operational forecast is intended for internal use. The official river forecasting agency of the Federal Government is the NWS. The NWS forecast for these locations can be found by clicking the blue hyperlink associated with each gage location. If there are any questions, please call the water control office at 1-(800)432-1208 or (314)331-8342.

Locations Observed Forecast
06:00 Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7
23-Jul 24-Jul 25-Jul 26-Jul 27-Jul 28-Jul 29-Jul 30-Jul
Mississippi River
L&D 22 TW 6.78 6.4 6.3 6.0 5.9 5.8 5.7
Louisiana 11.89 11.8 11.8 11.8 11.7 11.7 11.7
L&D 24 Pool 448.49 448.5 448.5 448.5 448.5 448.5 448.5
L&D 24 TW 16.92 16.7 16.5 16.3 16.2 16.1 16.1
Mosier Landing 35.75 35.7 35.6 35.5 35.4 35.4 35.4
L&D 25 Pool 433.29 433.5 433.5 433.5 433.5 433.5 433.5
L&D 25 TW 16.82 16.4 16.1 16.1 15.9 15.8 15.8
Illinois River
La Grange TW 15.71 15.2 12.8 11.6 11.0 10.7 10.4
Meredosia 10.02 9.5 7.1 5.9 5.3 5.0 4.7
Valley City 8.50 8.0 6.1 5.1 4.7 4.4 4.2
Florence 26.10 25.6 23.9 23.0 22.6 22.3 22.1
Hardin 21.26 20.8 20.1 19.9 19.7 19.6 19.5
Mississippi River
Grafton 15.83 15.6 15.4 15.4 15.4 15.3 15.3
Mel Price Pool 418.56 418.4 418.4 418.5 418.5 418.5 418.5 418.5
Mel Price TW 7.81 7.7 7.2 6.8 6.6 6.2 5.9 5.7
L&D 27 Pool 401.58 401.5 401.0 400.6 400.4 400.0 399.7 399.5
L&D 27 TW 389.92 389.6 389.0 388.5 388.3 387.8 387.2 387.0
St. Louis 8.34 8.0 7.4 6.9 6.7 6.2 5.6 5.4
Engineers Depot 7.44 7.1 6.5 6.0 5.8 5.3 4.7 4.5
Jefferson Barracks

5.00

4.7

4.1

3.6

3.4

3.0

2.4

2.2

Herculaneum 6.10 5.7 5.3 4.8 4.6 4.2 3.7 3.5
Kaskaskia River
Kaskaskia L&D TW 57.28 56.9 56.6 56.2 56.0 55.7 55.4 55.1
Inflow (-1day) 2,400 2,350
Mississippi River
Chester 11.89 11.5 11.2 10.9 10.6 10.4 10.1 9.8
Red Rock Landing 16.10 15.6 15.3 15.0 14.7 14.4 14.1 13.7
Grand Tower 16.99 16.5 16.2 15.8 15.4 15.2 14.8 14.4
Moccasin Springs 16.60 16.0 15.7 15.4 14.9 14.6 14.2 13.7
Cape Girardeau 17.61 17.0 16.7 16.3 15.8 15.4 15.0 14.5
Grays Point 17.33 16.7 16.5 16.2 15.8 15.3 14.7 14.0
Thebes 16.65 16.1 15.8 15.6 15.2 14.7 14.1 13.3
Commerce 12.44 11.9 11.7 11.5 11.2 10.6 9.9 9.0
Price Landing 7.79 7.3 7.2 7.3 7.0 6.4 5.3 4.0
Thompson Landing 22.68 22.2 22.2 22.4 22.3 21.5 20.2 18.6
Birds Point 17.81 17.4 17.5 18.1 18.2 17.2 15.4 13.2
Ohio River
21.39 17.4 21.1 21.7 21.8 20.8 19.0 16.8

OR: Open River conditions and gates are free of the water surfce at the L&D.
Bold & Red:

7-day Observed Thu 07/16 06:00 to Thu 07/23 06:00
7-Day Observed Multi-sensor Precipitation


7-day QPF: Thu 07/23 06:00 to Thu 07/30 06:00
7-Day QPF