Lost Lake, SD Weather Forecast

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Lost Lake, SD Weather Forecast

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Lost Lake SD weather  - Clear - 66°F
Clear
66°F
Updated 11:20 am
Feels Like 60°F
Humidity 52%
Wind SSW 8 mph
Barometer  29.82 in
Dew Point 48°F
Lost Lake SD weather  - Clear - 19°C
Clear
19°C
Updated 11:20 am
Feels Like 16°C
Humidity 52%
Wind SSW 13 km/h
Barometer  100.9 kPa
Dew Point 9°C

Lost Lake Weather Forecast

REST OF TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Lost Lake, SD Weather - Rest Of Today Mostly Sunny Lost Lake, SD Weather - Tonight Partly Cloudy Lost Lake, SD Weather - Wednesday Partly Sunny Lost Lake, SD Weather - Wednesday Night Partly Cloudy Lost Lake, SD Weather - Thursday Partly Sunny Lost Lake, SD Weather - Thursday Night Partly Cloudy Lost Lake, SD Weather - Friday Partly Cloudy Lost Lake, SD Weather - Friday Night Partly Cloudy Lost Lake, SD Weather - Saturday Partly Cloudy Lost Lake, SD Weather - Saturday Night Partly Cloudy Lost Lake, SD Weather - Sunday Partly Sunny Lost Lake, SD Weather - Sunday Night Chance Of Showers
Mostly Sunny Partly Cloudy Partly Sunny Partly Cloudy Partly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Sunny Chance of Showers
Hi: 79°FHi: 26°C
Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
Lo: 41°FLo: 5°C Hi: 69°FHi: 21°C
Hi: 71°FHi: 22°C
Lo: 45°FLo: 7°C
Hi: 71°FHi: 22°C
Lo: 45°FLo: 7°C
Hi: 79°FHi: 26°C
Lo: 59°FLo: 15°C
Hi: 79°FHi: 26°C
Lo: 59°FLo: 15°C
Lo: 51°FLo: 11°C Hi: 61°FHi: 16°C
Lo: 41°FLo: 5°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 942 AM CDT Tue Oct 06 2026 Lost Lake, SD Weather - WeatherWorld.com

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Lost Lake Forecast Discussion

Meteorlogic Glosserator
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Issued: 1022 AM CDT Tue Oct 6 2026

Key Messages

  • Above normal temperatures and dry conditions expected through Saturday.
  • Pattern change developing during the weekend leading to cooler temperatures next week.

Discussion

... Issued at 1228 AM CDT Tue Oct 6 2026

The front is slowly moving across the James valley and will eventually traverse the rest of the CWA by daylight. Cold advection is rather weak, and BUFKIT profiles indicate there will be an extremely shallow inversion to start the day, with temperatures in the 50s. Thus, with fav...