Rain forecast and rainfall this year
Nampa, ID
No rain expected today.
Updated Thursday 3:08 PM ET.
Forecast
1 percent chance of rain
TodayHigh 56°, low 36°No rain expected
1 percent chance of rain
TomorrowHigh 58°, low 33°No rain expected
This year so far, since Jan 1
8.48 in
−0.51 in below normal for this point in the year (8.99 in).
National rank296th of 363
In Idaho4th of 4
Biggest day0.87 in, Apr 22
Last measurable rain0.13 in, Oct 31, 2026
Month by month
Jan0.73
Feb1.16
Mar0.79
Apr3.87
May0.08
Jun0.70
Jul0.17
Aug0.00
Sep0.36
Oct0.62
Nov0.00
Dec–
This yearNormal
Records since 1940
Wettest year18.77 in, 1983
Biggest rain day1.91 in, Jun 12, 1958
Nearby cities
- MeridianID8.48 in this year8 miles
- BoiseID8.48 in this year17 miles
- KetchumID12.80 in this year110 miles
- BendOR3.83 in this year239 miles
- MissoulaMT13.19 in this year259 miles
More Nampa weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Boise Air Terminal station, recorded since 1940; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete years and several-day totals are left out. Rain Scoreboard is not affiliated with the National Weather Service or NOAA.