World > North America > United States > South Dakota > Dewey  

Dewey, SD Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Dewey, SD Weather Forecast

Current Conditions

Settings
Dewey SD weather - Overcast - 50°F
Overcast
50°F
Updated 9:16 am
Feels Like 48°F
Humidity 63%
Wind SSW 3 mph
Barometer  30.21 in
Dew Point 38°F
Dewey SD weather - Overcast - 10°C
Overcast
10°C
Updated 9:16 am
Feels Like 9°C
Humidity 63%
Wind SSW 5 km/h
Barometer  102.3 kPa
Dew Point 3°C
WX Settings

Dewey Weather Forecast

REST OF TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
Dewey, SD Weather - Rest Of Today Partly Cloudy Dewey, SD Weather - Tonight Partly Cloudy Dewey, SD Weather - Sunday Chance Of T-Storm Dewey, SD Weather - Sunday Night Chance Of T-Storm Dewey, SD Weather - Monday Clearing Dewey, SD Weather - Monday Night Clear Dewey, SD Weather - Tuesday Mostly Sunny Dewey, SD Weather - Tuesday Night Chance Of Showers Dewey, SD Weather - Wednesday Clearing Dewey, SD Weather - Wednesday Night Chance Of T-Storm Dewey, SD Weather - Thursday Clearing Dewey, SD Weather - Thursday Night Chance Of Showers
Partly Cloudy Partly Cloudy Chance of T-Storm Chance of T-Storm Clearing Clear Mostly Sunny Chance of Showers Clearing Chance of T-Storm Clearing Chance of Showers
Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 50°FLo: 10°C Hi: 75°FHi: 24°C
 Lo: 50°FLo: 10°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C
POP: 20% POP: 50% POP: 30% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 832 AM MDT Sat Sep 12 2026 Dewey, SD Weather - WeatherWorld.com

Trending Headlines

Dewey Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Dewey Quick Facts

National Two Day Weather Forecast


E-mail the Dewey Weather Forecast

Voice your opinion or tell us about page issues...

Dewey Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 517 AM MDT Sat Sep 12 2026

Key Messages

  • Cooler this weekend
  • The next organized storm system is expected this weekend, with the best chance of showers and storms Sunday night
  • Seasonal temperatures next week with mostly dry weather

Discussion

...(This Afternoon Through Thursday) Issued at 133 PM MDT Fri Sep 11 2026

Cooler weather is settling into the region today. It`s being driven into the area by strong northerly to northwesterly winds. Highest reported wind gusts (as of 1PM) have been upwards of 40 to 50 mph. For tonight, wi...