Pennington County, SD Weather Forecast

County weather hub

100°

Sunny

Compare major city weather across Pennington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Wednesday, July 15, 2026

Wind: 13 to 21 mph S

Wednesday

Sunny, with a high near 100.

County weather hub

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: Jul 15 to Jul 17, 2026
Latest sync: Jul 11, 2026 5:36 AM MDT
Forecast office: UNR
Source: NOAA / NWS

Next High

100°F

Wednesday

Next Low

71°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

12 to 22 mph

Wednesday Night

Daily Outlook

Today

Jul 15

Sunny

100 °F

/ 71°F

Wind 13 to 21 mph

Thu

Jul 16

Mostly Sunny

99 °F

/ 70°F

Wind 12 to 18 mph

Fri

Jul 17

Mostly Sunny

97 °F

Wind 9 to 16 mph

This Week in Pennington County

Wednesday looks like the warmest upcoming period in Pennington County at 100 degrees F.

Thursday Night is the coolest period ahead with temperatures near 70 degrees F.

The strongest winds are forecast for Wednesday Night at about 12 to 22 mph S.

The forecast from Jul 15 through Jul 17 stays mostly dry.

Forecast Details

Last updated: Jul 11, 2026 5:36 AM MDT
Coverage: 3 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 source

Extended Forecast

Wednesday Night

Jul 15

71°F

Mostly Clear

12 to 22 mph S

Mostly clear, with a low around 71.

Thursday

Jul 16

99°F

Mostly Sunny

12 to 18 mph NE

Mostly sunny, with a high near 99.

Thursday Night

Jul 16

70°F

Partly Cloudy

9 to 18 mph NW

Partly cloudy, with a low around 70.

Friday

Jul 17

97°F

Mostly Sunny

9 to 16 mph NE

Mostly sunny, with a high near 97.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Jul 15	Sunny	100°F	13 to 21 mph S	Sunny, with a high near 100.
Wednesday Night Jul 15	Mostly Clear	71°F	12 to 22 mph S	Mostly clear, with a low around 71.
Thursday Jul 16	Mostly Sunny	99°F	12 to 18 mph NE	Mostly sunny, with a high near 99.
Thursday Night Jul 16	Partly Cloudy	70°F	9 to 18 mph NW	Partly cloudy, with a low around 70.
Friday Jul 17	Mostly Sunny	97°F	9 to 16 mph NE	Mostly sunny, with a high near 97.

Major City Forecasts

Live forecast snapshots for major cities across Pennington County.

Coverage

Tracked cities

Coverage

100%

Forecast coverage currently spans 3 of 3 mapped cities in Pennington County.

Largest mapped city population in this region: 77,503.

Region Links

South Dakota weather

Statewide weather overview

United States weather

National weather entry point

Pennington County Courthouse 2017 image

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.