Lower Snake River Temperature Report for July 2026  
Generated 2026-08-01 13:18:17

  Anatone - Snake River Near Anatone (ANQW) Lower Granite Dam forebay (LWG) Lower Granite tailwater - Snake R. below dam (LGNW) Little Goose Dam forebay (LGSA) Little Goose Dam tailwater (Snake R. below Little Goose) (LGSW) Lower Monumental Dam forebay on Snake River (LMNA) Lower Monumental tailwater below the dam on Snake River (LMNW) Ice Harbor Dam forebay (IHRA) Ice Harbor tailwater- Snake R. below Goose Is. (IDSW)
Date Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05
07 01 60.1 62.0 63.7 0/24 63.9 64.8 65.7 0/24 64.5 65.4 66.2 0/24 66.5 66.8 67.2 0/24 66.1 66.3 66.5 0/24 64.7 65.0 65.3 0/24 64.7 65.0 65.2 0/24 64.3 64.7 65.0 0/24 64.6 65.1 65.6 0/24
07 02 61.9 63.3 64.6 0/24 60.5 62.1 63.8 0/24 61.2 62.8 64.4 0/24 66.4 66.8 67.5 0/24 66.1 66.4 66.7 0/24 65.2 65.5 65.8 0/24 65.2 65.6 66.0 0/24 65.0 65.3 65.5 0/24 65.3 65.7 66.1 0/24
07 03 63.0 64.8 66.6 0/24 59.3 59.8 60.6 0/24 60.6 60.8 61.2 0/24 66.8 67.2 68.1 1/24 66.4 66.7 67.1 0/24 65.8 66.3 66.6 0/24 66.0 66.4 66.7 0/24 65.3 65.5 66.0 0/24 65.8 66.1 66.5 0/24
07 04 65.3 66.7 68.1 3/24 60.3 61.0 61.8 0/24 60.7 61.2 61.4 0/24 67.1 67.3 67.6 0/24 66.6 66.9 67.2 0/24 66.5 66.6 66.7 0/24 66.6 66.8 67.0 0/24 65.5 65.6 65.7 0/24 65.9 66.2 66.6 0/24
07 05 66.5 67.6 68.5 9/24 60.8 61.7 62.7 0/24 61.3 62.1 62.7 0/24 66.4 66.9 67.2 0/24 65.9 66.5 66.8 0/24 66.7 67.0 67.3 0/24 66.8 67.1 67.3 0/24 65.9 66.1 66.5 0/24 66.1 66.7 67.3 0/24
07 06 67.0 67.4 68.0 0/24 62.0 63.2 64.3 0/24 62.8 63.6 64.5 0/24 64.6 66.1 66.6 0/24 64.6 65.5 65.9 0/24 67.3 67.6 67.9 0/24 67.3 67.7 68.1 4/24 66.4 66.8 67.2 0/24 66.8 67.4 68.1 1/24
07 07 66.0 67.2 68.4 8/24 64.2 65.7 67.6 0/24 64.7 65.5 66.0 0/24 64.0 65.3 66.4 0/24 64.3 64.7 65.2 0/24 67.5 67.8 68.2 3/24 67.5 67.9 68.3 9/24 66.7 67.4 68.1 1/24 67.2 68.1 69.0 14/24
07 08 68.1 69.2 70.6 24/24 65.3 65.7 66.1 0/24 65.0 65.2 65.5 0/24 62.9 64.0 65.2 0/24 63.2 63.7 64.5 0/24 67.1 67.4 67.7 0/24 67.4 67.6 67.9 0/24 67.4 67.5 67.8 0/24 67.8 68.2 68.7 18/24
07 09 69.4 70.2 71.0 24/24 65.1 65.4 65.8 0/24 65.1 65.3 65.6 0/24 64.3 65.4 66.4 0/24 63.4 64.2 64.7 0/24 66.5 66.9 67.1 0/24 66.9 67.1 67.3 0/24 67.9 68.3 68.7 20/24 68.1 68.7 69.3 24/24
07 10 69.4 70.3 71.2 24/24 65.3 65.5 65.9 0/24 65.6 65.7 65.9 0/24 66.2 67.4 68.3 3/24 64.5 65.7 66.4 0/24 65.8 66.3 66.9 0/24 66.3 66.7 66.8 0/24 68.5 68.8 69.1 24/24 68.7 69.2 69.8 24/24
07 11 70.2 71.0 71.7 24/24 65.1 65.4 65.8 0/24 65.4 65.6 65.8 0/24 65.9 66.8 68.2 1/24 65.6 65.8 66.0 0/24 65.2 65.4 65.8 0/24 65.5 65.8 66.2 0/24 68.9 69.0 69.3 24/24 69.0 69.3 69.7 24/24
07 12 70.8 71.1 71.3 24/24 64.9 65.1 65.5 0/24 65.2 65.4 65.6 0/24 66.0 66.7 67.2 0/24 65.6 65.8 66.1 0/24 65.4 65.8 66.2 0/24 65.6 65.8 66.1 0/24 68.7 69.0 69.2 24/24 69.1 69.3 69.6 24/24
07 13 70.2 70.9 71.6 24/24 64.9 65.4 66.0 0/24 65.5 65.9 66.3 0/24 67.1 67.9 68.6 8/24 66.0 66.8 67.3 0/24 66.0 67.0 67.7 0/24 66.1 66.9 67.7 0/24 68.6 68.8 69.0 24/24 69.0 69.5 70.0 24/24
07 14 70.3 71.0 71.5 24/24 66.0 67.1 68.3 2/24 66.3 67.3 68.6 8/24 67.9 69.0 71.9 21/24 66.9 67.5 68.4 5/24 66.8 67.1 67.7 0/24 66.9 67.2 67.6 0/24 68.3 68.5 68.6 24/24 68.7 69.0 69.4 24/24
07 15 70.9 71.7 72.8 24/24 67.9 68.5 69.2 19/24 68.2 68.3 68.6 24/24 67.9 69.3 71.7 22/24 68.1 68.4 68.7 24/24 67.0 67.3 67.7 0/24 67.4 67.8 68.4 6/24 67.7 68.0 68.2 7/24 68.3 68.8 69.1 24/24
07 16 71.8 72.6 73.5 24/24 68.2 68.9 69.8 24/24 67.9 68.2 68.5 17/24 67.2 67.8 68.6 6/24 67.5 68.0 68.4 8/24 67.2 67.7 68.1 3/24 67.5 68.0 68.5 8/24 67.6 68.1 68.8 10/24 68.4 68.9 69.3 24/24
07 17 72.0 72.8 73.5 24/24 67.2 67.7 68.3 5/24 67.4 67.8 68.0 0/24 67.0 67.8 69.3 7/24 67.0 67.4 67.9 0/24 67.2 68.1 68.8 11/24 67.1 67.9 68.8 10/24 67.7 68.4 69.4 13/24 67.8 68.6 69.3 19/24
07 18 71.9 72.4 72.9 24/24 65.3 66.2 67.2 0/24 66.3 66.8 67.3 0/24 68.2 68.8 69.3 24/24 67.8 68.1 68.3 10/24 68.7 69.0 69.3 24/24 68.3 68.6 68.9 24/24 68.6 69.0 69.7 24/24 69.0 69.3 69.6 24/24
07 19 71.7 72.2 72.9 24/24 65.8 66.0 66.5 0/24 66.2 66.4 66.5 0/24 68.5 69.5 70.0 24/24 68.0 68.6 69.1 20/24 68.7 69.0 69.4 24/24 68.7 68.9 69.2 24/24 69.2 69.3 69.7 24/24 69.2 69.7 70.1 24/24
07 20 71.1 71.6 72.3 24/24 65.9 66.4 66.9 0/24 66.4 66.9 67.4 0/24 69.9 70.1 70.4 24/24 68.9 69.2 69.5 24/24 68.6 69.0 69.4 24/24 68.6 68.8 69.1 24/24 68.9 69.0 69.2 24/24 69.3 69.4 69.6 24/24
07 21 71.0 71.7 72.6 24/24 65.3 66.6 67.6 0/24 66.8 67.0 67.1 0/24 68.8 69.7 70.4 24/24 69.2 69.4 69.7 24/24 68.5 68.7 68.9 24/24 68.5 68.9 69.2 24/24 68.8 69.1 69.5 24/24 69.1 69.6 70.3 24/24
07 22 72.1 72.6 73.3 24/24 65.0 66.0 66.7 0/24 66.7 66.9 67.1 0/24 68.4 69.1 70.3 24/24 68.9 69.2 69.5 24/24 68.8 69.2 69.7 24/24 68.9 69.2 69.6 24/24 69.2 69.4 69.7 24/24 69.5 69.9 70.3 24/24
07 23 72.8 73.4 74.2 24/24 65.3 65.8 66.7 0/24 66.2 66.6 66.8 0/24 68.1 68.5 69.4 24/24 68.3 68.7 69.0 24/24 68.9 69.2 69.3 24/24 69.1 69.3 69.6 24/24 69.2 69.5 70.0 24/24 69.7 70.0 70.4 24/24
07 24 73.3 73.7 74.4 24/24 64.6 65.8 67.2 0/24 66.0 66.3 66.5 0/24 67.6 68.4 68.9 21/24 67.9 68.2 68.6 19/24 69.0 69.4 70.0 24/24 69.1 69.5 69.8 24/24 69.4 69.6 70.1 24/24 69.4 69.9 70.4 24/24
07 25 73.5 73.8 74.5 24/24 64.7 65.4 66.3 0/24 65.7 65.9 66.1 0/24 68.0 68.7 69.2 23/24 67.8 68.3 68.7 20/24 69.5 69.9 70.3 24/24 69.7 70.0 70.2 24/24 69.7 69.9 70.8 24/24 70.1 70.3 70.7 24/24
07 26 72.9 73.3 73.6 24/24 64.9 66.1 67.6 0/24 65.7 66.1 66.5 0/24 67.4 68.5 69.5 18/24 67.5 68.2 68.8 14/24 69.6 70.2 70.6 24/24 69.7 70.1 70.4 24/24 69.9 70.6 71.3 24/24 70.0 70.7 71.4 24/24
07 27 72.5 72.9 73.4 24/24 66.2 66.7 67.6 0/24 66.5 66.8 67.1 0/24 69.3 70.2 70.9 24/24 68.6 69.3 69.8 24/24 69.5 70.2 70.7 24/24 69.9 70.2 70.4 24/24 70.7 71.0 71.5 24/24 70.8 71.2 71.6 24/24
07 28 72.2 72.5 73.1 24/24 66.8 67.4 68.4 3/24 67.1 67.3 67.5 0/24 68.2 69.0 70.2 24/24 68.4 69.0 69.4 24/24 68.9 69.3 70.0 24/24 69.3 69.8 70.0 24/24 70.5 70.7 70.9 24/24 70.8 71.1 71.6 24/24
07 29 71.9 72.5 73.3 24/24 66.0 66.9 68.2 1/24 66.7 67.1 67.3 0/24 68.0 68.6 69.0 23/24 68.3 68.6 68.9 24/24 68.9 69.1 69.6 24/24 69.2 69.5 69.9 24/24 70.6 70.8 71.2 24/24 70.6 71.1 71.8 24/24
07 30 72.4 72.8 73.6 24/24 66.1 66.9 67.7 0/24 67.2 67.3 67.6 0/24 67.8 68.8 69.8 22/24 68.3 68.6 69.0 24/24 69.5 69.9 70.3 24/24 69.6 69.8 70.1 24/24 70.6 70.9 71.1 24/24 71.0 71.2 71.7 24/24
07 31 72.0 72.8 73.7 24/24 66.4 67.3 67.8 0/24 67.2 67.5 67.7 0/24 67.7 69.0 70.8 20/24 68.3 68.8 69.2 24/24 69.7 69.9 70.1 24/24 69.7 70.1 70.4 24/24 70.9 71.0 71.3 24/24 70.8 71.3 71.9 24/24
>68.05 24 24 27 596/
744
1 2 6 54/
744
1 2 3 49/
744
8 16 22 388/
744
10 15 17 336/
744
14 15 17 353/
744
14 14 19 373/
744
19 22 24 507/
744
22 25 26 580/
744

Temperature in Degrees Fahrenheit
<32 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 >86

Bold, red text denotes values above 68.05°F.
--- indicates No Data

NOTICE: This report is based on raw, unverified data.