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Bob Lake, SD Weather Forecast

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Bob Lake, SD Weather Forecast

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Bob Lake SD weather - Clear - 89°F
Clear
89°F
Updated 5:20 pm
Feels Like 88°F
Humidity 33%
Wind N 3 mph
Barometer  30 in
Dew Point 57°F
Bob Lake SD weather - Clear - 32°C
Clear
32°C
Updated 5:20 pm
Feels Like 31°C
Humidity 33%
Wind N 5 km/h
Barometer  101.5 kPa
Dew Point 14°C
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Bob Lake Weather Forecast

LATE THIS AFTERNOON TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT
Bob Lake, SD Weather - Late This Afternoon Smoke Bob Lake, SD Weather - Tonight Smoke Bob Lake, SD Weather - Friday Partly Cloudy Bob Lake, SD Weather - Friday Night Partly Cloudy Bob Lake, SD Weather - Saturday Mostly Sunny Bob Lake, SD Weather - Saturday Night Chance Of T-Storm Bob Lake, SD Weather - Sunday Chance Of T-Storm Bob Lake, SD Weather - Sunday Night Chance Of T-Storm Bob Lake, SD Weather - Monday Chance Of T-Storm Bob Lake, SD Weather - Monday Night Chance Of T-Storm Bob Lake, SD Weather - Tuesday Chance Of T-Storm Bob Lake, SD Weather - Tuesday Night Chance Of T-Storm
Smoke Smoke Partly Cloudy Partly Cloudy Mostly Sunny Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm
Hi: 90°FHi: 32°C
 Lo: 61°FLo: 16°C Hi: 89°FHi: 32°C
 Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
 Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 59°FLo: 15°C
POP: 60% POP: 50% POP: 40% POP: 20% POP: 30% POP: 40% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 347 PM CDT Thu Aug 20 2026 Bob Lake, SD Weather - WeatherWorld.com

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Bob Lake Forecast Discussion

Issued: 1022 AM MDT Thu Aug 20 2026

Key Messages

  • Upper ridge will dominate the weather through early next week
  • Thunderstorm chances will be very limited through Saturday afternoon
  • Temperatures will average about 4-8F above normal

Discussion

...(This Evening Through Wednesday) Issued at 1259 PM MDT Wed Aug 19 2026

18z surface analysis had a weak trough from eastern MT into western WY. 0.5km visible loop depicted a weak outflow boundary/CU over south-central SD in a regime characterized by little MLCIN per ...