Custer County, ID Weather Forecast
County weather hub
Chance Light Rain then Showers And Thunderstorms
Compare major city weather across Custer County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain between 9am and noon, then showers and thunderstorms. Mostly cloudy. High near 49, with temperatures falling to around 45 in the afternoon. Northwest wind 5 to 9 mph. Chance of precipitation is 80%.
County Weather Overview
This county weather page brings together forecast coverage for Custer County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Custer County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 4, 2026
- Latest sync
- May 29, 2026 6:45 PM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Custer County
Wednesday looks like the warmest upcoming period in Custer County at 62 degrees F.
Sunday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Thursday at about 6 to 16 mph WSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 29, 2026 6:45 PM MDT
- Coverage
- 7 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KCBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 9pm, then rain likely between 9pm and 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 38. West northwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
A slight chance of rain and snow. Partly sunny, with a high near 50. Northwest wind around 8 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 53.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 58.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 43.
Sunny, with a high near 62.
Mostly clear, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Chance Light Rain then Showers And Thunderstorms
|
49°F |
5 to 9 mph
NW
|
|
Saturday Night
May 30
|
Showers And Thunderstorms Likely then Slight Chance Rain And Snow
|
38°F |
6 to 10 mph
WNW
|
|
Sunday
May 31
|
Slight Chance Rain And Snow
|
50°F |
8 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
35°F |
1 to 10 mph
WNW
|
|
Monday
Jun 1
|
Mostly Sunny
|
53°F |
1 to 9 mph
W
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
36°F |
2 to 14 mph
WSW
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
58°F |
3 to 13 mph
WSW
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
40°F |
3 to 15 mph
WSW
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
62°F |
3 to 14 mph
SSW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
43°F |
5 to 15 mph
WSW
|
|
Thursday
Jun 4
|
Sunny
|
62°F |
6 to 16 mph
WSW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
41°F |
6 to 16 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Custer County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Custer County.
Largest mapped city population in this region: 1,091.
