River Conditions
Illustrated map of Grand Lake

River stage

Falcon Lake, Rio Grande

River level
261.37 ft
Status
Below flood stage
Action stage
299.00 ft
Flood stage
301.20 ft
Record crest
309.31 ft

Last reported 2026-10-13 | NWS FALT2

Record crest
309.31 ft
Flood stage
301.20 ft
Moderate flood
306.70 ft
Major flood
314.20 ft
Crest date
2010-07-17

In brief

The Rio Grande at Falcon Lake, TX read 261.37 ft on Oct 13, 2026, 37.63 ft below action stage.

Source: National Weather Service gauge FALT2

Stage threshold profile

Action stage 299.00 ftMinor flooding 301.20 ftModerate flooding 306.70 ftMajor flooding 314.20 ft CURRENT 261.37 ft

Highest crests on record

RankCrestDate
1 309.31 ft 2010-07-17
2 308.10 ft 1958-10-19
3 304.66 ft 2010-09-29
4 304.43 ft 2010-09-07
5 303.73 ft 2008-12-10
6 301.20 ft 2010-08-20
7 292.94 ft 1954-07-18
8 279.27 ft 1954-06-30

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 299.00 ft

    THE LAKE LEVEL IS TWO FEET BELOW NORMAL POOL - BOATS ARE DAMAGED AND DOCKS INUNDATED UNLESS TIES ARE LOOSENED.

  2. 301.20 ft

    THE LAKE LEVEL IS AT NORMAL POOL - BOATS CAN BE DAMAGED AND DOCKS AND GEAR INUNDATED.

  3. 307.00 ft

    THE LAKE LEVEL IS SIX FEET ABOVE NORMAL POOL - BOATS, DOCKS, AND GEAR ARE INUNDATED WITH SEVERE DAMAGES UNLESS REMOVED.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Rio Grande flooding at Falcon Lake?

No. The Rio Grande at Falcon Lake is at 261.37 ft, 37.63 ft below action stage.

What is the flood stage at Falcon Lake?

The National Weather Service sets action stage 299 ft, minor flooding 301.2 ft, moderate flooding 306.7 ft and major flooding 314.2 ft.

What is the highest the Rio Grande has been at Falcon Lake?

The highest crest on record is 309.31 ft, on 2010-07-17.

Stage and flood information from the NOAA National Weather Service (gauge FALT2). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.