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Lemmon Lake, SD Weather Forecast

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Lemmon Lake, SD Weather Forecast

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Lemmon Lake SD weather - Mostly Cloudy - 51°F
Mostly Cloudy
51°F
Updated 3:12 am
Feels Like 56°F
Humidity 76%
Wind N 0 mph
Barometer  30.1 in
Dew Point 44°F
Lemmon Lake SD weather - Mostly Cloudy - 11°C
Mostly Cloudy
11°C
Updated 3:12 am
Feels Like 13°C
Humidity 76%
Wind N 0 km/h
Barometer  101.9 kPa
Dew Point 7°C
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Lemmon Lake Weather Forecast

EARLY THIS MORNING TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Lemmon Lake, SD Weather - Early This Morning Chance Of T-Storm Lemmon Lake, SD Weather - Today Chance Of Showers Lemmon Lake, SD Weather - Tonight Chance Of T-Storm Lemmon Lake, SD Weather - Monday Chance Of T-Storm Lemmon Lake, SD Weather - Monday Night Chance Of T-Storm Lemmon Lake, SD Weather - Tuesday Clearing Lemmon Lake, SD Weather - Tuesday Night Mostly Clear Lemmon Lake, SD Weather - Wednesday Sunny Lemmon Lake, SD Weather - Wednesday Night Mostly Clear Lemmon Lake, SD Weather - Thursday Sunny Lemmon Lake, SD Weather - Thursday Night Mostly Clear Lemmon Lake, SD Weather - Friday Mostly Sunny
Chance of T-Storm Chance of Showers Chance of T-Storm Chance of T-Storm Chance of T-Storm Clearing Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Mostly Sunny
Hi: 51°FHi: 11°C
 Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 50°FLo: 10°C Hi: 71°FHi: 22°C
 Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
POP: 20% POP: 20% POP: 90% POP: 70% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 247 AM MDT Sun Sep 27 2026 Lemmon Lake, SD Weather - WeatherWorld.com

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Lemmon Lake Forecast Discussion

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Issued: 1058 PM MDT Sat Sep 26 2026

Key Messages

-Another lobe of tropical moisture expected Sunday into Monday, supporting more chances for rain

-Cool Sunday, especially on the SD Plains

-Seasonal and dry after Monday


Discussion

...(This Afternoon Through Friday) Issued at 1059 AM MDT Sat Sep 26 2026

Upper trough will remain in place through early next week over the western CONUS, supporting mainly WSW flow aloft. Pattern change expected toward next weekend as a strong NE Pac upper trough dives into the Pac NW and supports a couple str...