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Grass Lake, SD Weather Forecast

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Grass Lake, SD Weather Forecast

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Grass Lake SD weather - Rain - 45°F
Rain
45°F
Updated 2:57 pm
Feels Like 31°F
Humidity 92%
Wind NNW 18 mph
Barometer  29.65 in
Dew Point 43°F
Grass Lake SD weather - Rain - 7°C
Rain
7°C
Updated 2:57 pm
Feels Like -1°C
Humidity 92%
Wind NNW 29 km/h
Barometer  100.4 kPa
Dew Point 6°C
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Grass Lake Weather Forecast

THIS AFTERNOON TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY
Grass Lake, SD Weather - This Afternoon Rain Grass Lake, SD Weather - Tonight Mostly Cloudy Grass Lake, SD Weather - Thursday Mostly Cloudy Grass Lake, SD Weather - Thursday Night Mostly Cloudy Grass Lake, SD Weather - Friday Partly Sunny Grass Lake, SD Weather - Friday Night Partly Cloudy Grass Lake, SD Weather - Saturday Partly Cloudy Grass Lake, SD Weather - Saturday Night Mostly Clear Grass Lake, SD Weather - Sunday Mostly Clear Grass Lake, SD Weather - Sunday Night Mostly Clear Grass Lake, SD Weather - Monday Mostly Clear Grass Lake, SD Weather - Tuesday Partly Sunny
Rain Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Sunny Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Sunny
Hi: 41°FHi: 5°C
 Lo: 31°FLo: -1°C Hi: 40°FHi: 4°C
 Lo: 25°FLo: -4°C Hi: 41°FHi: 5°C
 Hi: 51°FHi: 11°C
Lo: 29°FLo: -2°C		 Hi: 51°FHi: 11°C
Lo: 29°FLo: -2°C		 Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C		 Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C		 Hi: 59°FHi: 15°C
Lo: 39°FLo: 4°C		 Hi: 59°FHi: 15°C
Lo: 39°FLo: 4°C		 Hi: 51°FHi: 11°C
POP: 100%
POP = Probability of Precipitation.
Weather Outlook Updated: 121 PM CST Wed Nov 04 2026 Grass Lake, SD Weather - WeatherWorld.com

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Issued: 118 PM CST Wed Nov 4 2026

Key Messages

  • Temperatures Thursday and Friday will be near to as much as 7 or 8 degrees below normal for early November.
  • Temperatures Saturday through next Wednesday will warm up to 5 to 15 degrees above normal for early November.

Discussion

... Issued at 115 PM CST Wed Nov 4 2026

At 1 PM CST, skies are becoming partly sunny across central South Dakota, but remain cloudy/overcast across northeast South Dakota into west central Minnesota. TROWAL-forced rain bands continue to persist and rotate south ...