FPUS65 KBOI 201837 SFTBOI IDZ011>016-028>030-ORZ061>064-202300- Tabular State Forecast for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 1237 PM 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 Today 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 /74 47/75 47/79 51/88 57/88 57/87 51/70 /00 00/00 00/00 00/00 00/00 00/00 10/10 Caldwell Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /76 47/76 46/80 48/88 56/88 54/87 49/70 /00 00/00 00/00 00/00 00/00 00/00 10/20 Emmett Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /78 46/79 46/82 49/91 56/91 55/90 49/74 /00 00/00 00/00 00/00 00/00 00/00 10/20 Marsing Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /76 49/76 48/80 50/88 58/89 57/87 50/70 /00 00/00 00/00 00/00 00/00 00/10 10/20 Mountain Home Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /76 45/75 43/80 45/89 52/89 51/90 47/72 /00 00/00 00/00 00/00 00/00 00/00 00/10 Nampa Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /76 48/76 46/80 48/89 56/89 55/88 49/71 /00 00/00 00/00 00/00 00/00 00/00 10/10 Payette Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /77 48/78 46/81 48/88 57/90 55/87 49/70 /00 00/00 00/00 00/00 00/00 00/10 10/20 Weiser Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /77 46/78 46/81 48/88 55/89 54/86 46/69 /00 00/00 00/00 00/00 00/00 00/10 10/20 Wildlife Refuge/Deer Flat /average/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /75 49/76 48/79 50/87 58/88 56/87 50/70 /00 00/00 00/00 00/00 00/00 00/10 10/20 ...West Central and Boise Mountains... Cascade Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /66 34/67 35/71 37/79 43/78 43/77 40/63 /00 00/00 00/00 00/00 00/00 00/10 20/30 Council Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /72 43/74 45/77 48/84 52/84 51/81 47/67 /00 00/00 00/00 00/00 00/00 00/10 20/30 Idaho City Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /71 34/73 34/76 37/84 42/84 42/83 39/68 /00 00/00 00/00 00/00 00/00 00/00 10/20 McCall Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /63 34/65 34/69 37/76 43/76 43/73 39/60 /00 10/00 00/00 00/00 00/00 00/10 20/40 Payette State River Mgmt Area/Crouch near 3500 ft MSL/average/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /71 40/74 41/77 43/85 48/84 47/83 45/69 /00 00/00 00/00 00/00 00/00 00/00 10/20 ...Southeast Oregon... Baker City Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy /69 37/71 37/76 41/83 46/83 46/78 37/61 /00 00/00 00/00 00/00 00/00 00/10 30/30 Burns Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy /73 37/73 37/77 40/84 44/82 43/78 34/61 /00 00/00 00/00 00/00 00/00 00/10 20/20 Rome Airport KREO Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /75 40/74 38/80 43/87 49/87 50/87 40/67 /00 00/00 00/00 00/00 10/00 00/00 20/30 Jordan Valley/Rome/Owyhee Canyon near 4000 ft MSL/average/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /73 41/71 40/77 45/85 51/85 51/85 43/65 /00 00/00 00/00 00/00 10/00 00/00 20/20 Malheur Wildlife Refuge/Frenchglen near 4000 ft MSL/average/ Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy /70 40/70 40/75 43/80 47/80 46/77 37/59 /00 00/00 00/00 00/00 10/00 00/10 20/20 Ontario Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /77 48/78 47/81 49/88 57/90 55/87 49/70 /00 00/00 00/00 00/00 00/00 00/10 10/20 Steens Mountain National Recreation Lands near 6000 ft MSL/avg/ Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /64 40/64 43/69 48/75 50/76 50/73 40/53 /00 00/00 00/00 00/10 10/00 00/10 20/30 ...South Central Idaho... Fairfield Ptcldy Sunny Ptcldy Sunny Sunny Sunny Ptcldy /67 32/67 33/70 34/80 42/80 41/80 40/69 /00 00/00 00/00 00/00 00/00 00/00 00/10 Glenns Ferry Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /77 44/77 45/81 46/91 52/90 51/91 49/75 /00 00/00 00/00 00/00 00/00 00/00 00/10 Gooding Ptcldy Sunny Sunny Sunny Sunny Sunny Ptcldy /71 41/71 43/75 43/85 49/85 48/86 46/72 /00 00/00 00/00 00/00 00/00 00/00 00/10 Jerome Ptcldy Sunny Ptcldy Sunny Sunny Sunny Ptcldy /71 43/69 43/73 45/83 51/84 50/86 49/72 /00 00/10 00/00 00/00 00/00 00/00 00/10 Twin Falls Ptcldy Sunny Ptcldy Sunny Sunny Sunny Ptcldy /70 45/68 43/75 46/83 55/84 54/85 51/71 /00 10/10 00/00 00/00 00/00 00/00 00/10 $$