Buffalo, SD Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Buffalo, SD in one place.
Mostly clear, with a low around 40. Northwest wind around 18 mph, with gusts as high as 33 mph.
Local Weather Overview
This forecast page for Buffalo, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 7:50 AM MDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Buffalo, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 7:50 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Buffalo
Saturday looks like the warmest upcoming period in Buffalo at 78 degrees F.
Thursday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday at about 18 to 38 mph NW.
The forecast from Oct 15 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 7:50 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
Mostly sunny, with a high near 45. Northwest wind 18 to 38 mph, with gusts as high as 53 mph.
Widespread frost after 2am. Partly cloudy, with a low around 26. Wind chill values as low as 20. Northwest wind 7 to 32 mph, with gusts as high as 49 mph.
Widespread frost before 10am. Sunny. High near 54, with temperatures falling to around 50 in the afternoon. Southwest wind 3 to 21 mph, with gusts as high as 32 mph.
Clear, with a low around 38. Southwest wind 9 to 17 mph, with gusts as high as 30 mph.
Sunny. High near 78, with temperatures falling to around 70 in the afternoon. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Partly cloudy, with a low around 45.
Sunny, with a high near 65.
Mostly clear, with a low around 39.
Sunny, with a high near 66.
Mostly clear, with a low around 43.
Sunny, with a high near 70.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Mostly Clear
|
40°F |
18 mph
NW
|
|
Thursday
Oct 15
|
Mostly Sunny
|
45°F |
18 to 38 mph
NW
|
|
Thursday Night
Oct 15
|
Partly Cloudy then Widespread Frost
|
26°F |
7 to 32 mph
NW
|
|
Friday
Oct 16
|
Widespread Frost then Sunny
|
54°F |
3 to 21 mph
SW
|
|
Friday Night
Oct 16
|
Clear
|
38°F |
9 to 17 mph
SW
|
|
Saturday
Oct 17
|
Sunny
|
78°F |
9 to 13 mph
SW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
45°F |
7 to 13 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
10 to 14 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
6 to 9 mph
E
|
|
Monday
Oct 19
|
Sunny
|
66°F |
8 to 23 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
43°F |
5 to 17 mph
SE
|
|
Tuesday
Oct 20
|
Sunny
|
70°F |
5 to 12 mph
SE
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
44°F |
7 to 12 mph
SW
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
63°F |
7 to 10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Buffalo.
Nearby forecast pages are not available for this location yet.