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Thompson Reservoir, SD Weather Forecast

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Thompson Reservoir, SD Weather Forecast

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Thompson Reservoir SD weather - Clear - 64°F
Clear
64°F
Updated 9:42 am
Feels Like 65°F
Humidity 69%
Wind E 5 mph
Barometer  30.37 in
Dew Point 54°F
Thompson Reservoir SD weather - Clear - 18°C
Clear
18°C
Updated 9:42 am
Feels Like 19°C
Humidity 69%
Wind E 8 km/h
Barometer  102.8 kPa
Dew Point 12°C
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Thompson Reservoir Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Thompson Reservoir, SD Weather - Today Chance Of T-Storm Thompson Reservoir, SD Weather - Tonight Chance Of T-Storm Thompson Reservoir, SD Weather - Monday Chance Of T-Storm Thompson Reservoir, SD Weather - Monday Night Chance Of T-Storm Thompson Reservoir, SD Weather - Tuesday Chance Of T-Storm Thompson Reservoir, SD Weather - Tuesday Night Chance Of T-Storm Thompson Reservoir, SD Weather - Wednesday Chance Of T-Storm Thompson Reservoir, SD Weather - Wednesday Night Chance Of T-Storm Thompson Reservoir, SD Weather - Thursday Mostly Sunny Thompson Reservoir, SD Weather - Thursday Night Mostly Clear Thompson Reservoir, SD Weather - Friday Chance Of T-Storm Thompson Reservoir, SD Weather - Friday Night 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 Chance of T-Storm Chance of T-Storm Mostly Sunny Mostly Clear Chance of T-Storm Chance of T-Storm
Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 81°FHi: 27°C
 Lo: 55°FLo: 13°C Hi: 81°FHi: 27°C
 Lo: 59°FLo: 15°C
POP: 50% POP: 30% POP: 30% POP: 40% POP: 40% POP: 50% POP: 60% POP: 30% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 627 AM MDT Sun Aug 16 2026 Thompson Reservoir, SD Weather - WeatherWorld.com

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Thompson Reservoir Forecast Discussion

Issued: 512 AM MDT Sun Aug 16 2026

Key Messages

  • Active pattern persists into early next week with daily chances of showers and thunderstorms, a few of which may be strong to severe Sunday and Monday.
  • Trending drier and warmer to end next week.


Discussion

...(This Evening Through Saturday) Issued at 106 PM MDT Sat Aug 15 2026

Water vapor imagery shows shortwave trough pushing through eastern and central Wyoming this afternoon. Northwesterly low level flow persists behind a surface cold front that stretche...