Brown County, SD Weather Forecast
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Slight Chance Rain Showers
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A slight chance of rain showers. Cloudy. Low around 40, with temperatures rising to around 45 overnight. South southwest wind around 5 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Brown County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Brown County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 4:09 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Brown County
Tuesday looks like the warmest upcoming period in Brown County at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Thursday at about 5 to 26 mph WSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 4:09 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
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 showers before 8am. Mostly cloudy. High near 56, with temperatures falling to around 51 in the afternoon. West southwest wind 5 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
A chance of rain showers between midnight and 1am. Cloudy, with a low around 37. Northwest wind around 26 mph, with gusts as high as 43 mph.
Mostly sunny, with a high near 51. North northwest wind 6 to 23 mph, with gusts as high as 37 mph.
Areas of frost between 10pm and midnight. Mostly clear, with a low around 33. Southwest wind 3 to 16 mph, with gusts as high as 26 mph.
Sunny, with a high near 65. South southwest wind 16 to 20 mph, with gusts as high as 32 mph.
Mostly clear, with a low around 39. South wind 10 to 16 mph, with gusts as high as 29 mph.
Mostly sunny, with a high near 69. West wind 7 to 10 mph.
Partly cloudy, with a low around 37. North wind 3 to 7 mph.
Sunny, with a high near 67.
Mostly clear, with a low around 42.
Sunny, with a high near 70.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Slight Chance Rain Showers
|
40°F |
5 mph
SSW
|
|
Thursday
Oct 15
|
Slight Chance Rain Showers then Mostly Cloudy
|
56°F |
5 to 26 mph
WSW
|
|
Thursday Night
Oct 15
|
Cloudy then Chance Rain Showers
|
37°F |
26 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
51°F |
6 to 23 mph
NNW
|
|
Friday Night
Oct 16
|
Areas Of Frost then Mostly Clear
|
33°F |
3 to 16 mph
SW
|
|
Saturday
Oct 17
|
Sunny
|
65°F |
16 to 20 mph
SSW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
39°F |
10 to 16 mph
S
|
|
Sunday
Oct 18
|
Mostly Sunny
|
69°F |
7 to 10 mph
W
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
37°F |
3 to 7 mph
N
|
|
Monday
Oct 19
|
Sunny
|
67°F |
3 to 8 mph
E
|
|
Monday Night
Oct 19
|
Mostly Clear
|
42°F |
7 mph
SE
|
|
Tuesday
Oct 20
|
Sunny
|
70°F |
8 to 15 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
46°F |
10 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
67°F |
13 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brown County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Brown County.
