Big Lake, SD Weather Forecast

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Big Lake, SD Weather Forecast

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Big Lake SD weather  - Lightning Observed - 69°F
Lightning Observed
69°F
Updated 2:23 am
Feels Like 68°F
Humidity 96%
Wind ENE 6 mph
Barometer  30.01 in
Dew Point 68°F
Big Lake SD weather  - Lightning Observed - 21°C
Lightning Observed
21°C
Updated 2:23 am
Feels Like 20°C
Humidity 96%
Wind ENE 10 km/h
Barometer  101.6 kPa
Dew Point 20°C

Big Lake Weather Forecast

REST OF TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Big Lake, SD Weather - Rest Of Tonight Chance Of T-Storm Big Lake, SD Weather - Saturday Clearing Big Lake, SD Weather - Saturday Night Clearing Big Lake, SD Weather - Sunday Mostly Sunny Big Lake, SD Weather - Sunday Night Chance Of T-Storm Big Lake, SD Weather - Monday Chance Of Showers Big Lake, SD Weather - Monday Night Chance Of T-Storm Big Lake, SD Weather - Tuesday Chance Of T-Storm Big Lake, SD Weather - Tuesday Night Chance Of T-Storm Big Lake, SD Weather - Wednesday Chance Of Showers Big Lake, SD Weather - Wednesday Night Chance Of Showers Big Lake, SD Weather - Thursday Chance Of T-Storm
Chance of T-Storm Clearing Clearing Mostly Sunny Chance of T-Storm Chance of Showers Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Chance of T-Storm
Lo: 60°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C Hi: 85°FHi: 29°C
Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 80°FHi: 27°C
POP: 70% POP: 50% POP: 20% POP: 40% POP: 70% POP: 40% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1252 AM CDT Sat Aug 15 2026 Big Lake, SD Weather - WeatherWorld.com

Big Lake Forecast Discussion

Issued: 153 AM CDT Sat Aug 15 2026

Key Messages

  • Patchy to areas of fog will continue through the mid/late morning mainly James Valley and eastward.
  • Scattered showers and weak thunderstorms will be possible through the afternoon mainly over portions of south central through northeastern SD and west central MN ahead and along a cold front. No severe weather is anticipated, however, heavy rainfall is possible.
  • Average to slightly below...

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