Valley County, ID Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Valley County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 54. North wind 5 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Valley County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Valley County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 8:26 AM MDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Valley County
Wednesday looks like the warmest upcoming period in Valley County at 65 degrees F.
Tonight is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Saturday at about 6 to 18 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 8:26 AM MDT
- Coverage
- 8 days
- Time zone
- America/Boise
- Forecast office
- BOI
- Radar station
- KCBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 33. North northwest wind 5 to 10 mph.
A chance of rain showers between noon and 2pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 56. Northwest wind 3 to 9 mph. Chance of precipitation is 30%.
Partly cloudy, with a low around 35. North wind 3 to 9 mph.
Mostly sunny, with a high near 59. South southwest wind 5 to 14 mph.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 65.
A slight chance of rain showers after midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.
A chance of rain showers. Mostly sunny, with a high near 61. Chance of precipitation is 30%.
Mostly clear, with a low around 40.
Sunny, with a high near 65.
Partly cloudy, with a low around 43.
Sunny, with a high near 64.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
May 31
|
Mostly Sunny
|
54°F |
5 to 10 mph
N
|
|
Tonight
May 31
|
Mostly Clear
|
33°F |
5 to 10 mph
NNW
|
|
Monday
Jun 1
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
56°F |
3 to 9 mph
NW
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
35°F |
3 to 9 mph
N
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
59°F |
5 to 14 mph
SSW
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
38°F |
5 to 13 mph
WSW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
65°F |
5 to 12 mph
SSW
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy then Slight Chance Rain Showers
|
42°F |
3 to 10 mph
NNE
|
|
Thursday
Jun 4
|
Chance Rain Showers
|
61°F |
3 to 13 mph
WNW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
40°F |
3 to 13 mph
E
|
|
Friday
Jun 5
|
Sunny
|
65°F |
5 to 16 mph
SSW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
43°F |
6 to 15 mph
S
|
|
Saturday
Jun 6
|
Sunny
|
64°F |
6 to 18 mph
SSW
|
|
Saturday Night
Jun 6
|
Partly Cloudy then Slight Chance Rain Showers
|
40°F |
6 to 16 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Valley County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Valley County.
Largest mapped city population in this region: 3,597.
