Custer County, SD Weather Forecast
County weather hub
Slight Chance 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 slight chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 54. South wind around 6 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
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
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 3:03 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Custer County
Saturday looks like the warmest upcoming period in Custer County at 89 degrees F.
Overnight is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 3 to 15 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 3:03 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely after noon. Some of the storms could be severe. Partly sunny. High near 78, with temperatures falling to around 75 in the afternoon. South wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before midnight. Some of the storms could be severe. Partly cloudy. Low around 56, with temperatures rising to around 58 overnight. Southwest wind 3 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
A slight chance of rain showers between noon and 3pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. East wind 3 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Partly cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind 3 to 8 mph, with gusts as high as 20 mph.
Showers and thunderstorms likely after noon. Partly sunny. High near 77, with temperatures falling to around 75 in the afternoon. Northeast wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57.
A chance of showers and thunderstorms after noon. Sunny, with a high near 78.
Mostly clear, with a low around 57.
Sunny, with a high near 89.
Partly cloudy, with a low around 62.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 2
|
Slight Chance Showers And Thunderstorms
|
54°F |
6 mph
S
|
|
Tuesday
Jun 2
|
Partly Sunny then Showers And Thunderstorms Likely
|
78°F |
6 to 10 mph
S
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms then Partly Cloudy
|
56°F |
3 to 8 mph
SW
|
|
Wednesday
Jun 3
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
76°F |
3 to 8 mph
E
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
56°F |
3 to 8 mph
NE
|
|
Thursday
Jun 4
|
Partly Sunny then Showers And Thunderstorms Likely
|
77°F |
5 to 9 mph
NE
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
57°F |
3 to 9 mph
N
|
|
Friday
Jun 5
|
Sunny then Chance Showers And Thunderstorms
|
78°F |
5 to 8 mph
NE
|
|
Friday Night
Jun 5
|
Mostly Clear
|
57°F |
2 to 8 mph
N
|
|
Saturday
Jun 6
|
Sunny
|
89°F |
2 to 14 mph
S
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
62°F |
3 to 14 mph
S
|
|
Sunday
Jun 7
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
3 to 15 mph
S
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms then Partly Cloudy
|
60°F |
6 to 13 mph
N
|
|
Monday
Jun 8
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
79°F |
6 to 10 mph
NE
|
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: 1,926.
