Letcher, SD Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Letcher, SD in one place.
Partly cloudy. Low around 60, with temperatures rising to around 63 overnight. South southeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Letcher, 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: Aug 2, 2026 2:36 AM CDT.
The active forecast window currently covers Aug 2 to Aug 8, 2026 for Letcher, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 2 to Aug 8, 2026
- Latest sync
- Aug 2, 2026 2:36 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Letcher
Monday looks like the warmest upcoming period in Letcher at 94 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday Night at about 20 to 25 mph SSE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 2, 2026 2:36 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
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 90. South southeast wind 10 to 20 mph, with gusts as high as 35 mph.
Partly cloudy, with a low around 69. South southeast wind 20 to 25 mph, with gusts as high as 35 mph.
A chance of rain showers after 5pm. Mostly sunny, with a high near 94. South wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West northwest wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 75. North northwest wind around 10 mph. Chance of precipitation is 40%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 54.
Partly sunny, with a high near 77.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 84.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 88.
A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 2
|
Partly Cloudy
|
60°F |
5 to 10 mph
SSE
|
|
Sunday
Aug 2
|
Mostly Sunny
|
90°F |
10 to 20 mph
SSE
|
|
Sunday Night
Aug 2
|
Partly Cloudy
|
69°F |
20 to 25 mph
SSE
|
|
Monday
Aug 3
|
Mostly Sunny then Chance Rain Showers
|
94°F |
20 to 25 mph
S
|
|
Monday Night
Aug 3
|
Chance Showers And Thunderstorms
|
60°F |
10 to 25 mph
WNW
|
|
Tuesday
Aug 4
|
Chance Rain Showers
|
75°F |
10 mph
NNW
|
|
Tuesday Night
Aug 4
|
Slight Chance Rain Showers then Partly Cloudy
|
54°F |
5 mph
ESE
|
|
Wednesday
Aug 5
|
Partly Sunny
|
77°F |
5 to 10 mph
SSE
|
|
Wednesday Night
Aug 5
|
Partly Cloudy
|
57°F |
10 mph
SSE
|
|
Thursday
Aug 6
|
Mostly Sunny
|
84°F |
10 to 15 mph
SSW
|
|
Thursday Night
Aug 6
|
Mostly Clear
|
64°F |
10 to 15 mph
S
|
|
Friday
Aug 7
|
Mostly Sunny
|
88°F |
10 to 15 mph
SSE
|
|
Friday Night
Aug 7
|
Chance Showers And Thunderstorms
|
65°F |
10 mph
ESE
|
|
Saturday
Aug 8
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
86°F |
10 to 15 mph
ENE
|
Nearby Forecasts
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