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Letcher SD weather  - Mostly Cloudy - 63°F
Mostly Cloudy
63°F
Updated 3:48 pm
Feels Like 58°F
Humidity 72%
Wind S 18 mph
Barometer  29.99 in
Dew Point 54°F
Letcher SD weather  - Mostly Cloudy - 17°C
Mostly Cloudy
17°C
Updated 3:48 pm
Feels Like 14°C
Humidity 72%
Wind S 29 km/h
Barometer  101.5 kPa
Dew Point 12°C

Letcher Weather Forecast

THIS AFTERNOON TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Letcher, SD Weather - This Afternoon Mostly Cloudy Letcher, SD Weather - Tonight Chance Of T-Storm Letcher, SD Weather - Monday Chance Of T-Storm Letcher, SD Weather - Monday Night Chance Of Showers Letcher, SD Weather - Tuesday Showers Letcher, SD Weather - Tuesday Night Showers Likely Letcher, SD Weather - Wednesday Mostly Sunny Letcher, SD Weather - Wednesday Night Partly Cloudy Letcher, SD Weather - Thursday Partly Sunny Letcher, SD Weather - Thursday Night Mostly Cloudy Letcher, SD Weather - Friday Partly Sunny Letcher, SD Weather - Friday Night Partly Cloudy
Mostly Cloudy Chance of T-Storm Chance of T-Storm Chance of Showers Showers Showers Likely Mostly Sunny Partly Cloudy Partly Sunny Mostly Cloudy Partly Sunny Partly Cloudy
Hi: 65°FHi: 18°C
Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C Hi: 50°FHi: 10°C
Lo: 39°FLo: 4°C Hi: 50°FHi: 10°C
Lo: 35°FLo: 2°C Hi: 50°FHi: 10°C
Lo: 35°FLo: 2°C Hi: 51°FHi: 11°C
Lo: 39°FLo: 4°C
POP: 100% POP: 100% POP: 80% POP: 90% POP: 70%
POP = Probability of Precipitation.
Weather Outlook Updated: 1219 PM CST Sun Nov 01 2026 Letcher, SD Weather - WeatherWorld.com

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Issued: 230 PM CST Sun Nov 1 2026

Key Messages

  • Periods of rain return tonight into mid week, heaviest tonight into Monday. Accumulative amounts of 0.75" to 1.25" inches are expected for most areas through Wednesday night. Slightly higher amounts will be possible west of a Gregory to Mitchell to De Smet line. Locally heavy rain may lead to ponding of water.
  • Breezy to gusty winds are expected on both Monday and Tuesday with gusts between 30 to 40 mph. Locally higher gusts (around 45 mph) will be possible across south central South ...