Pennington County, SD Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Pennington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. South wind 18 to 24 mph, with gusts as high as 36 mph.
County Weather Overview
This county weather page brings together forecast coverage for Pennington County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Pennington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 1:56 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Pennington County
Saturday looks like the warmest upcoming period in Pennington County at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Saturday at about 18 to 24 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 1:56 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- 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 slight chance of rain showers before midnight. Mostly cloudy, with a low around 50. Southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunny, with a high near 79. West wind 14 to 17 mph, with gusts as high as 30 mph.
Partly cloudy, with a low around 45. Northwest wind 6 to 16 mph, with gusts as high as 25 mph.
A chance of rain showers after noon. Mostly sunny, with a high near 73.
A chance of rain showers. Mostly cloudy, with a low around 40.
Rain showers likely. Partly sunny, with a high near 58.
A chance of rain showers before midnight. Mostly cloudy, with a low around 36.
A slight chance of rain showers after noon. Mostly sunny, with a high near 68.
A slight chance of rain showers. Partly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Partly Sunny
|
84°F |
18 to 24 mph
S
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Mostly Cloudy
|
50°F |
14 to 17 mph
SW
|
|
Sunday
Apr 12
|
Sunny
|
79°F |
14 to 17 mph
W
|
|
Sunday Night
Apr 12
|
Partly Cloudy
|
45°F |
6 to 16 mph
NW
|
|
Monday
Apr 13
|
Mostly Sunny then Chance Rain Showers
|
73°F |
7 to 22 mph
SW
|
|
Monday Night
Apr 13
|
Chance Rain Showers
|
40°F |
12 to 22 mph
N
|
|
Tuesday
Apr 14
|
Rain Showers Likely
|
58°F |
13 to 18 mph
N
|
|
Tuesday Night
Apr 14
|
Chance Rain Showers then Mostly Cloudy
|
36°F |
7 to 16 mph
NW
|
|
Wednesday
Apr 15
|
Mostly Sunny then Slight Chance Rain Showers
|
68°F |
7 to 16 mph
NW
|
|
Wednesday Night
Apr 15
|
Slight Chance Rain Showers
|
39°F |
16 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across Pennington County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Pennington County.
Largest mapped city population in this region: 77,503.