FPUS65 KBOI 200638 SFTBOI IDZ011>016-028>030-ORZ061>064-211100- Tabular State Forecast for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 1237 AM MDT Wed May 20 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 Wed Thu Fri Sat Sun Mon Tue May 20 May 21 May 22 May 23 May 24 May 25 May 26 ...Southwest Idaho Valleys... Boise Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 45/74 48/76 49/80 50/87 56/89 58/88 50/68 00/00 00/00 00/00 00/00 00/00 00/00 00/10 Caldwell Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 44/76 48/77 47/80 48/88 54/89 55/88 48/68 00/00 00/00 00/00 00/00 00/00 00/00 10/20 Emmett Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 45/78 48/80 48/83 50/91 55/92 56/91 49/71 00/00 00/00 00/00 00/00 00/00 00/00 20/20 Marsing Ptcldy Sunny Sunny Sunny Sunny Sunny Sunny 46/76 49/77 49/80 51/88 57/90 57/88 49/67 00/00 00/00 00/00 00/00 00/00 00/00 20/20 Mountain Home Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 39/76 46/76 44/81 45/88 51/90 52/91 47/70 00/00 00/00 00/00 00/00 00/00 00/00 00/20 Nampa Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 44/76 48/77 48/80 49/88 55/90 56/89 49/68 00/00 00/00 00/00 00/00 00/00 00/00 10/20 Payette Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 45/77 48/79 48/81 50/88 55/91 56/88 48/68 00/00 00/00 00/00 00/00 00/00 00/00 20/10 Weiser Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 43/77 46/78 47/81 49/88 54/90 55/87 46/67 00/00 00/00 00/00 00/00 00/00 00/00 10/10 Wildlife Refuge/Deer Flat /average/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 46/75 50/76 49/80 51/87 56/89 57/88 49/67 00/00 00/00 00/00 00/00 00/00 00/00 20/10 ...West Central and Boise Mountains... Cascade Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 33/66 34/69 36/72 38/78 42/79 43/77 40/62 00/00 00/00 00/00 00/00 00/00 00/00 20/30 Council Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 42/72 43/75 45/78 47/83 51/85 52/82 45/65 00/00 00/00 00/00 00/00 00/00 00/00 20/30 Idaho City Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 34/71 36/74 37/77 38/84 41/85 42/84 38/65 00/00 00/00 00/00 00/00 00/00 00/00 10/20 McCall Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 34/63 34/67 36/70 38/75 42/77 44/74 38/57 00/00 00/00 00/00 00/00 00/00 00/00 30/40 Payette State River Mgmt Area/Crouch near 3500 ft MSL/average/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 40/71 41/75 43/77 45/84 47/86 48/84 45/66 00/00 00/00 00/00 00/00 00/00 00/00 20/30 ...Southeast Oregon... Baker City Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 35/69 36/72 38/77 42/83 46/85 46/79 36/60 00/00 00/00 00/00 00/00 00/00 00/10 20/30 Burns Ptcldy Sunny Sunny Sunny Sunny Ptcldy Sunny 35/73 36/74 37/77 41/83 44/84 44/79 33/61 00/00 00/00 00/00 00/00 00/00 00/00 20/10 Rome Airport KREO Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 38/75 42/75 40/81 45/87 49/88 50/87 40/65 00/00 00/00 00/00 00/00 20/00 00/00 20/30 Jordan Valley/Rome/Owyhee Canyon near 4000 ft MSL/average/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 40/73 43/72 42/78 46/85 50/86 51/85 42/64 00/00 00/00 00/00 00/00 20/00 00/00 20/20 Malheur Wildlife Refuge/Frenchglen near 4000 ft MSL/average/ Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 39/70 40/70 41/75 45/80 46/82 47/78 35/60 00/00 00/00 00/00 00/00 10/00 00/00 20/10 Ontario Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy 45/77 48/78 49/81 50/88 56/91 56/88 48/68 00/00 00/00 00/00 00/00 00/00 00/00 20/10 Steens Mountain National Recreation Lands near 6000 ft MSL/avg/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 42/64 42/64 44/70 48/74 50/77 50/74 36/54 00/00 00/00 00/00 00/10 20/00 10/00 20/20 ...South Central Idaho... Fairfield Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 30/67 32/67 34/71 35/79 41/81 42/81 40/67 00/00 00/00 00/00 00/00 00/00 00/00 00/20 Glenns Ferry Ptcldy Sunny Sunny Sunny Sunny Sunny Sunny 39/77 43/77 44/82 45/90 51/91 52/92 47/73 00/00 00/00 00/00 00/00 00/00 00/00 00/20 Gooding Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy 36/71 40/70 42/76 42/84 48/86 48/87 45/70 00/00 10/00 00/00 00/00 00/10 00/00 00/20 Jerome Sunny Sunny Sunny Sunny Sunny Sunny Sunny 39/71 43/69 43/75 44/83 50/85 50/86 48/69 00/00 20/10 00/00 00/00 00/20 00/00 00/20 Twin Falls Sunny Sunny Sunny Sunny Sunny Sunny Ptcldy 40/70 44/69 42/75 45/82 54/85 54/86 50/70 00/00 20/10 00/00 00/00 00/20 00/00 00/20 $$