Letcher, SD Weather Forecast

Local 7-day forecast

78°

Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Letcher, SD in one place.

Thursday, April 23, 2026

Wind: 20 to 30 mph SSW

Thursday

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 50%.

Local 7-day forecast

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: Apr 18, 2026 10:45 PM CDT.

The active forecast window currently covers Apr 23 to Apr 25, 2026 for Letcher, SD.

Page Snapshot

Page focus: city weather
Forecast window: Apr 23 to Apr 25, 2026
Latest sync: Apr 18, 2026 10:45 PM CDT
Forecast office: FSD
Source: NOAA / NWS

Next High

78°F

Thursday

Next Low

34°F

Thursday Night

Rain Outlook

Periods mentioning precipitation

Windiest

20 to 30 mph

Thursday

Daily Outlook

Today

Apr 23

Chance Rain Showers

78 °F

/ 34°F

Wind 20 to 30 mph

Fri

Apr 24

Chance Rain Showers

55 °F

/ 31°F

Wind 25 to 30 mph

Sat

Apr 25

Mostly Sunny

55 °F

Wind 15 to 20 mph

This Week in Letcher

Thursday looks like the warmest upcoming period in Letcher at 78 degrees F.

Friday Night is the coolest period ahead with temperatures near 31 degrees F.

The strongest winds are forecast for Thursday at about 20 to 30 mph SSW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated: Apr 18, 2026 10:45 PM CDT
Coverage: 3 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 source

Extended Forecast

Thursday Night

Apr 23

34°F

Chance Showers And Thunderstorms

30 mph WNW

A chance of showers and thunderstorms. Partly cloudy, with a low around 34. Chance of precipitation is 30%.

Friday

Apr 24

55°F

Chance Rain Showers

25 to 30 mph NW

A chance of rain showers before 1pm. Mostly sunny, with a high near 55. Chance of precipitation is 30%.

Friday Night

Apr 24

31°F

Partly Cloudy

15 to 25 mph NW

Partly cloudy, with a low around 31.

Saturday

Apr 25

55°F

Mostly Sunny

15 to 20 mph NNW

Mostly sunny, with a high near 55.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Thursday Apr 23	Chance Rain Showers	78°F	20 to 30 mph SSW	A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chan...
Thursday Night Apr 23	Chance Showers And Thunderstorms	34°F	30 mph WNW	A chance of showers and thunderstorms. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Friday Apr 24	Chance Rain Showers	55°F	25 to 30 mph NW	A chance of rain showers before 1pm. Mostly sunny, with a high near 55. Chance of precipitation is 30%.
Friday Night Apr 24	Partly Cloudy	31°F	15 to 25 mph NW	Partly cloudy, with a low around 31.
Saturday Apr 25	Mostly Sunny	55°F	15 to 20 mph NNW	Mostly sunny, with a high near 55.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Letcher.

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Region Links

Sanborn County weather

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.