FPUS65 KBOI 210831 SFTBOI IDZ011>016-028>030-ORZ061>064-212300- Tabular State Forecast for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 231 AM MDT Tue Apr 21 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 Wed Thu Fri Sat Sun Mon Apr 21 Apr 22 Apr 23 Apr 24 Apr 25 Apr 26 Apr 27 ...Southwest Idaho Valleys... Boise Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /81 44/51 39/55 35/58 35/58 37/61 38/63 /10 90/100 80/20 10/10 00/00 10/10 00/10 Caldwell Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /80 45/55 39/58 35/60 35/60 36/62 37/65 /10 90/100 70/10 10/10 00/00 10/10 10/10 Emmett Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /82 45/54 40/57 35/60 35/61 37/63 38/66 /10 90/100 80/30 10/10 10/10 10/10 10/10 Marsing Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /79 45/54 41/57 36/59 35/59 38/62 40/65 /20 90/90 70/10 10/10 10/00 10/10 10/10 Mountain Home Sunny Shwrs Ptcldy Sunny Sunny Sunny Sunny /83 43/54 38/57 32/60 32/60 33/62 34/65 /10 80/90 70/10 00/10 00/00 10/10 00/10 Nampa Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /81 45/53 41/56 35/59 34/59 36/61 37/64 /10 90/100 70/20 10/10 00/00 10/10 10/10 Payette Sunny Shwrs Ptcldy Sunny Sunny Sunny Sunny /77 45/54 40/57 35/60 34/59 37/62 37/65 /10 90/100 70/20 10/10 00/00 10/10 10/10 Weiser Sunny Shwrs Ptcldy Sunny Sunny Sunny Sunny /76 42/52 37/55 33/58 33/58 35/61 36/64 /10 90/100 70/20 10/10 00/00 10/10 10/10 Wildlife Refuge/Deer Flat /average/ Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /78 45/53 41/56 36/59 35/58 37/61 39/64 /10 90/90 70/10 10/10 00/00 10/10 10/10 ...West Central and Boise Mountains... Cascade Sunny Shwrs Snoshwr Ptcldy Ptcldy Ptcldy Ptcldy /70 35/42 30/44 24/45 23/47 25/50 28/52 /10 80/100 90/50 40/30 10/10 10/20 10/20 Council Sunny Shwrs Shwrs Ptcldy Sunny Sunny Sunny /76 42/49 37/53 33/55 30/56 33/58 35/61 /10 90/100 90/50 20/30 10/10 10/20 10/20 Idaho City Sunny Shwrs Ptcldy Ptcldy Sunny Ptcldy Sunny /78 35/46 33/50 26/52 26/54 28/57 29/59 /10 90/100 90/40 30/20 20/10 10/20 10/20 McCall Sunny Snoshwr Snoshwr Ptcldy Ptcldy Ptcldy Ptcldy /69 35/41 30/44 24/44 22/46 24/48 27/52 /10 80/100 90/60 40/40 10/10 10/20 10/20 Payette State River Mgmt Area/Crouch near 3500 ft MSL/average/ Sunny Shwrs Ptcldy Ptcldy Sunny Ptcldy Sunny /78 39/47 36/50 30/53 30/55 32/57 33/60 /10 90/100 90/40 20/20 10/10 10/20 10/20 ...Southeast Oregon... Baker City Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /73 37/48 31/52 28/55 25/56 27/58 29/61 /30 90/90 60/30 10/10 00/00 00/10 10/10 Burns Shwrs Shwrs Sunny Sunny Sunny Ptcldy Ptcldy /63 34/49 26/55 25/57 25/56 27/58 29/61 /70 90/80 40/00 00/00 00/10 10/10 10/10 Rome Airport KREO Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /72 36/54 31/57 28/60 28/59 30/61 32/63 /30 80/80 50/00 00/00 00/10 10/10 10/10 Jordan Valley/Rome/Owyhee Canyon near 4000 ft MSL/average/ Sunny Shwrs Ptcldy Sunny Sunny Ptcldy Sunny /74 38/51 33/54 30/56 29/56 32/58 33/61 /20 80/90 70/10 00/10 00/10 10/20 10/20 Malheur Wildlife Refuge/Frenchglen near 4000 ft MSL/average/ Shwrs Shwrs Ptcldy Sunny Sunny Ptcldy Ptcldy /61 35/48 30/52 29/54 29/54 32/57 32/59 /70 90/80 50/00 00/10 10/10 20/20 10/20 Ontario Sunny Shwrs Ptcldy Sunny Sunny Sunny Sunny /77 45/54 39/57 35/60 34/59 36/62 37/65 /10 90/90 70/10 10/00 00/00 10/10 10/10 Steens Mountain National Recreation Lands near 6000 ft MSL/avg/ Shwrs Snoshwr Ptcldy Sunny Sunny Ptcldy Ptcldy /56 32/42 29/46 30/48 30/49 33/50 33/53 /70 90/90 70/10 10/10 10/20 20/30 20/30 ...South Central Idaho... Fairfield Sunny Snoshwr Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /74 34/45 30/49 24/49 24/51 25/54 27/56 /10 70/100 70/30 20/20 10/10 10/20 10/10 Glenns Ferry Sunny Shwrs Ptcldy Sunny Sunny Sunny Sunny /85 44/54 39/57 33/59 33/61 34/63 36/66 /10 80/100 70/10 10/10 10/10 10/20 10/10 Gooding Sunny Shwrs Ptcldy Ptcldy Sunny Ptcldy Sunny /80 41/49 36/54 31/54 31/57 32/58 34/62 /00 70/100 60/20 10/20 10/10 10/20 10/20 Jerome Ptcldy Shwrs Ptcldy Ptcldy Sunny Sunny Sunny /79 42/50 36/54 33/54 32/56 33/58 34/60 /00 60/90 60/20 10/20 10/10 10/20 10/10 Twin Falls Ptcldy Shwrs Ptcldy Ptcldy Sunny Sunny Sunny /78 42/51 36/54 33/54 31/56 33/58 35/60 /00 70/90 70/20 10/20 10/10 10/20 10/20 $$