| NWS Forecast for: Boise ID Issued by: National Weather Service Boise, ID Last Update: 12:30 pm MDT Apr 21, 2026 |  |
This Afternoon: Mostly sunny, with a high near 82. South southeast wind 7 to 11 mph, with gusts as high as 24 mph. Tonight: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 3am, then showers after 3am. Low around 43. West northwest wind 11 to 16 mph becoming east 5 to 10 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Wednesday: Showers. High near 52. South wind 7 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible. Wednesday Night: Showers, mainly before midnight. Low around 41. West northwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible. Thursday: A 20 percent chance of showers after noon. Partly sunny, with a high near 55. West northwest wind 7 to 14 mph, with gusts as high as 24 mph. Thursday Night: Mostly clear, with a low around 34. Friday: Mostly sunny, with a high near 58. Friday Night: Partly cloudy, with a low around 34. Saturday: Mostly sunny, with a high near 60. Saturday Night: Mostly clear, with a low around 37. Sunday: Mostly sunny, with a high near 61. Sunday Night: Partly cloudy, with a low around 39. Monday: Mostly sunny, with a high near 63. | |
| Boise ID 43.62°N 116.22°W (Elev. 2710 ft) | |
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