Old Town, SD Weather Forecast

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Old Town, SD Weather Forecast

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Old Town SD weather  - Clear - 82°F
Clear
82°F
Updated 5:09 pm
Feels Like 74°F
Humidity 24%
Wind E 9 mph
Barometer  30.07 in
Dew Point 42°F
Old Town SD weather  - Clear - 28°C
Clear
28°C
Updated 5:09 pm
Feels Like 23°C
Humidity 24%
Wind E 14 km/h
Barometer  101.8 kPa
Dew Point 6°C

Old Town Weather Forecast

LATE THIS AFTERNOON TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Old Town, SD Weather - Late This Afternoon Sunny Old Town, SD Weather - Tonight Clear Old Town, SD Weather - Wednesday Sunny Old Town, SD Weather - Wednesday Night Clear Old Town, SD Weather - Thursday Sunny Old Town, SD Weather - Thursday Night Clear Old Town, SD Weather - Friday Mostly Sunny Old Town, SD Weather - Friday Night Mostly Clear Old Town, SD Weather - Saturday Clearing Old Town, SD Weather - Saturday Night Chance Of T-Storm Old Town, SD Weather - Sunday Chance Of T-Storm Old Town, SD Weather - Sunday Night Chance Of T-Storm
Sunny Clear Sunny Clear Sunny Clear Mostly Sunny Mostly Clear Clearing Chance of T-Storm Chance of T-Storm Chance of T-Storm
Hi: 80°FHi: 27°C
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C Hi: 90°FHi: 32°C
Lo: 59°FLo: 15°C Hi: 89°FHi: 32°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
Lo: 49°FLo: 9°C
POP: 60% POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM MDT Tue Sep 08 2026 Old Town, SD Weather - WeatherWorld.com

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Issued: 213 PM MDT Tue Sep 8 2026

Key Messages

  • Generally warm and dry conditions this week, with the hottest temperatures reaching the 90s Thursday and Friday.
  • Elevated to near-critical fire weather conditions to result, with focus especially on Thursday, Thursday night, and Friday.
  • Next organized storm system expected this weekend into Monday, potentially bringing much cooler temperatures.

Discussion

...(This Evening Through Tuesday) Issued at 213 PM MDT Tue Sep 8 2026

Our main weather concern this week will remain warm to hot, dry...