Custer County, ID Weather Forecast
County weather hub
Chance Snow Showers
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 snow showers before 3pm, then a chance of rain and snow showers. Cloudy. High near 40, with temperatures falling to around 36 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 40%.
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
- Oct 31 to Nov 6, 2026
- Latest sync
- Oct 31, 2026 3:24 PM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Custer County
This Afternoon looks like the warmest upcoming period in Custer County at 40 degrees F.
Friday Night is the coolest period ahead with temperatures near 22 degrees F.
The strongest winds are forecast for Sunday Night at about 3 to 10 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 31, 2026 3:24 PM MDT
- Coverage
- 8 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
A chance of snow showers between 7pm and 11pm, then rain and snow showers. Cloudy. Low around 32, with temperatures rising to around 36 overnight. Southeast wind 1 to 5 mph. Chance of precipitation is 100%. New snow accumulation of around one inch possible.
Snow showers. Cloudy, with a high near 36. North northeast wind 1 to 6 mph. Chance of precipitation is 100%.
A chance of snow showers before 11pm. Mostly cloudy, with a low around 26. Northwest wind 3 to 10 mph. Chance of precipitation is 50%.
Mostly sunny, with a high near 40. North northeast wind around 3 mph.
Partly cloudy, with a low around 27.
Partly sunny, with a high near 38.
Mostly cloudy, with a low around 27.
Mostly sunny, with a high near 38.
A slight chance of snow after 5am. Partly cloudy, with a low around 25. Chance of precipitation is 20%.
A slight chance of snow before 11am. Partly sunny, with a high near 37. Chance of precipitation is 20%.
A slight chance of snow after 11pm. Partly cloudy, with a low around 24. Chance of precipitation is 20%.
A chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
A slight chance of snow before 11pm. Partly cloudy, with a low around 22. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 31
|
Chance Snow Showers
|
40°F |
5 mph
SE
|
|
Tonight
Oct 31
|
Rain And Snow Showers
|
32°F |
1 to 5 mph
SE
|
|
Sunday
Nov 1
|
Snow Showers
|
36°F |
1 to 6 mph
NNE
|
|
Sunday Night
Nov 1
|
Chance Snow Showers then Mostly Cloudy
|
26°F |
3 to 10 mph
NW
|
|
Monday
Nov 2
|
Mostly Sunny
|
40°F |
3 mph
NNE
|
|
Monday Night
Nov 2
|
Partly Cloudy
|
27°F |
2 to 8 mph
S
|
|
Tuesday
Nov 3
|
Partly Sunny
|
38°F |
6 mph
S
|
|
Tuesday Night
Nov 3
|
Mostly Cloudy
|
27°F |
2 to 6 mph
SSW
|
|
Wednesday
Nov 4
|
Mostly Sunny
|
38°F |
3 mph
WSW
|
|
Wednesday Night
Nov 4
|
Partly Cloudy then Slight Chance Light Snow
|
25°F |
6 mph
SW
|
|
Thursday
Nov 5
|
Slight Chance Light Snow then Partly Sunny
|
37°F |
5 mph
SW
|
|
Thursday Night
Nov 5
|
Slight Chance Light Snow
|
24°F |
6 mph
SW
|
|
Friday
Nov 6
|
Chance Light Snow
|
38°F |
6 mph
WSW
|
|
Friday Night
Nov 6
|
Slight Chance Light Snow then Partly Cloudy
|
22°F |
5 mph
W
|
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.
