FPUS65 KBOI 230831 SFTBOI IDZ011>016-028>030-ORZ061>064-232300- Tabular State Forecast for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 230 AM MDT Sun Aug 23 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Today Mon Tue Wed Thu Fri Sat Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 ...Southwest Idaho Valleys... Boise Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /89 61/93 65/96 67/95 65/92 62/90 62/89 /10 00/00 10/00 10/10 00/00 00/00 00/10 Caldwell Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /91 56/93 60/96 62/96 61/93 58/92 58/91 /00 00/00 10/00 10/10 10/00 10/00 00/10 Emmett Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /92 58/95 62/98 64/98 62/94 59/93 59/92 /00 00/00 00/00 10/10 00/00 10/00 00/10 Marsing Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /90 59/92 61/95 64/95 63/92 60/91 60/90 /00 00/00 10/00 10/00 10/00 10/00 00/10 Mountain Home Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /92 57/95 59/97 62/98 61/94 58/92 58/91 /00 00/10 10/00 00/00 10/00 00/10 10/10 Nampa Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /90 58/92 61/95 63/95 62/92 59/90 59/90 /00 00/00 10/00 10/10 00/00 10/00 00/10 Payette Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /92 58/94 61/97 63/96 62/93 59/92 59/91 /00 00/00 00/00 00/00 00/00 10/00 00/10 Weiser Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /93 60/95 63/97 65/97 63/94 60/93 60/92 /00 00/00 00/00 00/00 00/00 10/00 00/10 Wildlife Refuge/Deer Flat /average/ Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /90 60/91 62/94 64/94 63/91 61/90 60/89 /00 00/00 10/00 00/10 00/00 10/00 10/10 ...West Central and Boise Mountains... Cascade Foggy Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /82 45/89 49/90 50/89 49/86 47/85 46/83 /00 00/00 10/10 00/00 00/00 10/00 00/10 Council Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /89 59/94 63/95 64/94 63/91 60/90 60/89 /00 00/00 00/00 00/00 00/00 10/00 00/10 Idaho City Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /87 46/92 49/94 51/93 50/90 48/89 47/88 /10 00/00 10/00 00/10 10/00 00/10 10/10 McCall Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /79 44/84 50/86 52/85 51/83 48/81 47/80 /00 00/00 10/00 00/00 00/00 10/00 00/10 Payette State River Mgmt Area/Crouch near 3500 ft MSL/average/ Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /88 52/94 56/96 57/95 57/92 54/91 54/89 /00 00/00 00/00 00/00 00/00 10/10 00/10 ...Southeast Oregon... Baker City Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny /84 41/90 48/93 51/92 47/87 42/86 42/84 /00 00/00 00/00 00/00 00/00 10/00 00/10 Burns Sunny Ptcldy Sunny Sunny Sunny Sunny Sunny /85 44/90 47/91 49/90 46/87 44/87 44/86 /00 00/00 20/00 00/00 00/00 00/00 00/00 Rome Airport KREO Sunny Mocldy Sunny Ptcldy Ptcldy Sunny Sunny /91 51/94 53/95 56/95 54/93 51/92 51/91 /00 00/10 20/00 00/00 00/00 00/10 10/10 Jordan Valley/Rome/Owyhee Canyon near 4000 ft MSL/average/ Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /88 55/92 56/93 59/93 57/91 54/90 54/89 /00 00/10 20/00 00/00 00/00 00/10 10/10 Malheur Wildlife Refuge/Frenchglen near 4000 ft MSL/average/ Sunny Ptcldy Ptcldy Ptcldy Ptcldy Sunny Sunny /82 49/87 52/88 54/88 52/85 49/85 49/84 /00 00/00 20/00 00/00 00/00 10/00 10/00 Ontario Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /91 57/92 60/96 63/95 61/92 58/91 58/90 /00 00/00 00/00 00/00 00/00 10/00 00/10 Steens Mountain National Recreation Lands near 6000 ft MSL/avg/ Sunny Mocldy Ptcldy Ptcldy Ptcldy Sunny Sunny /79 54/83 56/84 57/84 55/82 53/81 53/80 /00 00/10 30/00 00/10 00/00 10/00 10/00 ...South Central Idaho... Fairfield Sunny Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /85 46/87 49/89 51/89 50/87 47/84 47/83 /10 00/00 20/00 10/10 10/10 00/10 10/10 Glenns Ferry Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Sunny /93 58/95 60/98 62/98 62/95 59/92 58/91 /00 00/10 20/00 10/10 10/00 10/10 10/10 Gooding Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Sunny /88 56/90 57/93 59/93 59/90 56/87 55/86 /00 00/10 30/00 10/10 10/00 00/10 10/10 Jerome Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /86 59/88 59/90 61/90 62/88 60/85 59/84 /10 00/20 30/10 10/10 10/10 10/10 10/10 Twin Falls Sunny Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /87 61/88 60/90 62/90 63/89 62/87 60/85 /10 10/40 30/10 10/10 10/10 00/10 10/10 $$