Fall River County, SD Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Fall River County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 55.
County Weather Overview
This county weather page brings together forecast coverage for Fall River 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 Fall River County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Nov 6 to Nov 7, 2026
- Latest sync
- Nov 1, 2026 1:19 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Fall River County
Friday looks like the warmest upcoming period in Fall River County at 55 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Saturday at about 18 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 1, 2026 1:19 AM MDT
- Coverage
- 2 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
A slight chance of rain after 5am. Partly cloudy, with a low around 36.
A slight chance of rain before 5pm. Mostly sunny, with a high near 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Mostly Sunny
|
55°F |
9 mph
NW
|
|
Friday Night
Nov 6
|
Partly Cloudy then Slight Chance Light Rain
|
36°F |
6 to 15 mph
NW
|
|
Saturday
Nov 7
|
Slight Chance Light Rain
|
52°F |
18 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across Fall River County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Fall River County.
Largest mapped city population in this region: 3,502.
