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Deerfield, SD Weather Forecast

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Deerfield, SD Weather Forecast

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Deerfield SD weather - Clear - 57°F
Clear
57°F
Updated 3:41 am
Feels Like 56°F
Humidity 27%
Wind W 7 mph
Barometer  29.88 in
Dew Point 24°F
Deerfield SD weather - Clear - 14°C
Clear
14°C
Updated 3:41 am
Feels Like 13°C
Humidity 27%
Wind W 11 km/h
Barometer  101.1 kPa
Dew Point -4°C
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Deerfield Weather Forecast

OVERNIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Deerfield, SD Weather - Overnight Partly Cloudy Deerfield, SD Weather - Friday Clearing Deerfield, SD Weather - Friday Night Chance Of T-Storm Deerfield, SD Weather - Saturday Chance Of Showers Deerfield, SD Weather - Saturday Night Chance Of Showers Deerfield, SD Weather - Sunday Chance Of T-Storm Deerfield, SD Weather - Sunday Night Chance Of T-Storm Deerfield, SD Weather - Monday Mostly Sunny Deerfield, SD Weather - Monday Night Clear Deerfield, SD Weather - Tuesday Partly Cloudy Deerfield, SD Weather - Tuesday Night Chance Of T-Storm Deerfield, SD Weather - Wednesday Chance Of T-Storm
Partly Cloudy Clearing Chance of T-Storm Chance of Showers Chance of Showers Chance of T-Storm Chance of T-Storm Mostly Sunny Clear Partly Cloudy Chance of T-Storm Chance of T-Storm
Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
 Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
 Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 61°FHi: 16°C
 Lo: 35°FLo: 2°C Hi: 61°FHi: 16°C
 Lo: 41°FLo: 5°C Hi: 71°FHi: 22°C
POP: 20% POP: 20% POP: 30% POP: 20% POP: 50% POP: 30% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM MDT Fri Sep 11 2026 Deerfield, SD Weather - WeatherWorld.com

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Deerfield Forecast Discussion

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Issued: 1044 PM MDT Thu Sep 10 2026

Key Messages

  • Hot and dry conditions continue for most of the region today and Friday, before trending cooler and more moist for the weekend.
  • Elevated to near-critical fire weather conditions continue to result, with a RED FLAG WARNING now issued from Weston County down across the southwestern South Dakota plains/southern Black Hills Friday as increasing winds overlap the dry conditions.
  • Next organized storm system remains expected this weekend, with the best chance of showers Sunday night.

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