Skip to main content
Local Weather Radar Official LogoLocal Weather Radar Official Logo
Plan your week in Mellette County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Mellette County 7-Day Weather Forecast

Sunday, Oct 25, 2026

Nighttime
47°F

Overcast

Feels like 47°F

Humidity

53%

Wind Speed

4.7 mph

Precipitation

0 in

Pressure

1029 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

100%

Dew Point

38°F

7-Day Weather Forecast

Today

Oct 25

Overcast
47°H
43°L
33%

Mon

Oct 26

Overcast
43°H
39°L
99%

Tue

Oct 27

Overcast
66°H
36°L
0%

Wed

Oct 28

Overcast
59°H
38°L
0%

Thu

Oct 29

Overcast
61°H
41°L
0%

Fri

Oct 30

Overcast
66°H
55°L
0%

Sat

Oct 31

Overcast
66°H
58°L
0%

24-Hour Forecast

10 AM

47°

0%

11 AM

47°

0%

12 PM

47°

0%

1 PM

47°

6%

2 PM

46°

18%

3 PM

45°

6%

4 PM

45°

33%

5 PM

45°

33%

6 PM

45°

27%

7 PM

45°

9%

8 PM

45°

6%

9 PM

44°

0%

10 PM

44°

6%

11 PM

43°

0%

12 AM

43°

0%

1 AM

42°

18%

2 AM

41°

21%

3 AM

41°

15%

4 AM

40°

6%

5 AM

40°

6%

6 AM

40°

6%

7 AM

40°

3%

8 AM

40°

12%

9 AM

39°

42%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Full Moon

Full Moon

Wind Conditions & Storm Tracking

Wind Direction

103° ESE

Sustained Wind

4.7 mph

Wind Gusts

4.7 mph

7-Day Temp Range

Week's Hottest

66°F

Max Rain Prob

99%

Expected 7-Day Swings

36°
66°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Mellette County · 43.52°N, 100.78°W
Radar Page
Coordinates43.5231°N, 100.7782°W
Elevationm
TimezoneAmerica/New_York

Nearby Cities in South Dakota

More weather updates in South Dakota

Explore all weather stations, radar maps, and localized forecasts.

Explore All South Dakota Stations

Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Mellette County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Mellette County Climate & Weather

Weather forecast for Mellette County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.