Mellette County, SD Weather Forecast
County weather hub
Partly Sunny then Chance Rain Showers
Compare major city weather across Mellette County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers after 1pm. Partly sunny, with a high near 77.
County Weather Overview
This county weather page brings together forecast coverage for Mellette County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Mellette County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Sep 17 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 2:28 PM CDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Mellette County
Friday looks like the warmest upcoming period in Mellette County at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Thursday at about 8 to 17 mph E.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 2:28 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 57.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79.
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
A chance of rain showers. Partly sunny, with a high near 72.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
A slight chance of rain showers. Mostly sunny, with a high near 77.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Partly Sunny then Chance Rain Showers
|
77°F |
8 to 17 mph
E
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely
|
57°F |
9 to 16 mph
SE
|
|
Friday
Sep 18
|
Showers And Thunderstorms Likely
|
79°F |
9 to 13 mph
NW
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
53°F |
9 to 14 mph
N
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
72°F |
13 mph
NE
|
|
Saturday Night
Sep 19
|
Slight Chance Showers And Thunderstorms
|
50°F |
7 to 13 mph
E
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers
|
77°F |
7 to 14 mph
SE
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers then Partly Cloudy
|
51°F |
12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mellette County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Mellette County.