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Seneca, SD Weather Forecast

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Seneca, SD Weather Forecast

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Seneca SD weather - Overcast - 57°F
Overcast
57°F
Updated 8:18 am
Feels Like 43°F
Humidity 100%
Wind SE 23 mph
Barometer  30.15 in
Dew Point 57°F
Seneca SD weather - Overcast - 14°C
Overcast
14°C
Updated 8:18 am
Feels Like 6°C
Humidity 100%
Wind SE 37 km/h
Barometer  102.1 kPa
Dew Point 14°C
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Seneca Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Seneca, SD Weather - Today Chance Of T-Storm Seneca, SD Weather - Tonight Chance Of T-Storm Seneca, SD Weather - Thursday Mostly Cloudy Seneca, SD Weather - Thursday Night Chance Of Showers Seneca, SD Weather - Friday Chance Of T-Storm Seneca, SD Weather - Friday Night Chance Of T-Storm Seneca, SD Weather - Saturday Mostly Cloudy Seneca, SD Weather - Saturday Night Partly Cloudy Seneca, SD Weather - Sunday Partly Cloudy Seneca, SD Weather - Sunday Night Chance Of T-Storm Seneca, SD Weather - Monday Chance Of T-Storm Seneca, SD Weather - Monday Night Chance Of T-Storm
Chance of T-Storm Chance of T-Storm Mostly Cloudy Chance of Showers Chance of T-Storm Chance of T-Storm Mostly Cloudy Partly Cloudy Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm
Hi: 61°FHi: 16°C
 Lo: 55°FLo: 13°C Hi: 70°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 65°FHi: 18°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Hi: 70°FHi: 21°C
Lo: 55°FLo: 13°C		 Hi: 70°FHi: 21°C
Lo: 55°FLo: 13°C		 Lo: 55°FLo: 13°C Hi: 70°FHi: 21°C
Lo: 51°FLo: 11°C		 Hi: 70°FHi: 21°C
Lo: 51°FLo: 11°C
POP: 40% POP: 50% POP: 20% POP: 70% POP: 80% POP: 50% POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 621 AM CDT Wed Sep 23 2026 Seneca, SD Weather - WeatherWorld.com

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Issued: 637 AM CDT Wed Sep 23 2026

Key Messages

  • Spotty rain showers (30-55%) are possible through the morning, mainly across portions of central SD to the James River. Additional rain (60-90%) and weak thunderstorm expected midday through Thursday morning with the bulk of the rainfall falling this evening and overnight. Chance of rainfall of a quarter inch or more is 50-90% mainly along and east of I29.
  • Occasional rain chances continue for the end of the week with the highest chances (50-85%) Friday evening through Saturday mornin...