| National Weather Service Forecast for:
Nampa ID Issued by: National Weather Service Boise, ID |
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| Updated: 2:04 am MST Dec 17, 2025 | ||||||||||||||||||
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| Overnight |
Rain. Low around 45. Southeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. |
| Wednesday |
Rain before 11am. Temperature falling to around 45 by 5pm. Breezy, with a west northwest wind 17 to 22 mph becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 80%. |
| Wednesday Night |
Increasing clouds, with a low around 31. Calm wind becoming southeast 5 to 7 mph after midnight. |
| Thursday |
Snow before 11am, then rain and snow between 11am and 2pm, then rain after 2pm. High near 46. Southeast wind 8 to 13 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible. |
| Thursday Night |
A 50 percent chance of rain. Cloudy, with a low around 42. Southeast wind 8 to 11 mph, with gusts as high as 20 mph. |
| Friday |
Rain. High near 55. Chance of precipitation is 80%. |
| Friday Night |
Rain likely before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 70%. Little or no snow accumulation expected. |
| Saturday |
A slight chance of rain and snow before 11am. Partly sunny, with a high near 46. Chance of precipitation is 20%. |
| Saturday Night |
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 34. |
| Sunday |
Rain likely, mainly after 11am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%. |
| Sunday Night |
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%. |
| Monday |
A 50 percent chance of rain. Mostly cloudy, with a high near 53. |
| Monday Night |
A 30 percent chance of rain. Mostly cloudy, with a low around 37. |
| Tuesday |
A 30 percent chance of rain. Mostly cloudy, with a high near 50. |
Forecast from NOAA-NWS for Nampa ID.