Isabel, SD Weather Forecast

Local 7-day forecast

86°

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Isabel, SD in one place.

Wednesday, April 22, 2026

Wind: 15 to 20 mph SSE

Wednesday

Mostly sunny, with a high near 86.

Local 7-day forecast

Local Weather Overview

This forecast page for Isabel, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 18, 2026 7:47 AM MDT.

The active forecast window currently covers Apr 22 to Apr 24, 2026 for Isabel, SD.

Page Snapshot

Page focus: city weather
Forecast window: Apr 22 to Apr 24, 2026
Latest sync: Apr 18, 2026 7:47 AM MDT
Forecast office: ABR
Source: NOAA / NWS

Next High

86°F

Wednesday

Next Low

49°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

17 to 31 mph

Thursday

Daily Outlook

Today

Apr 22

Mostly Sunny

86 °F

/ 49°F

Wind 15 to 20 mph

Thu

Apr 23

Chance Rain Showers

66 °F

/ 32°F

Wind 17 to 31 mph

Fri

Apr 24

Slight Chance Snow Showers then Partly Sunny

50 °F

Wind 24 mph

This Week in Isabel

Wednesday looks like the warmest upcoming period in Isabel at 86 degrees F.

Thursday Night is the coolest period ahead with temperatures near 32 degrees F.

The strongest winds are forecast for Thursday at about 17 to 31 mph W.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated: Apr 18, 2026 7:47 AM MDT
Coverage: 3 days
Time zone: America/Denver
Forecast office: ABR
Radar station: KBIS

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night

Apr 22

49°F

Chance Rain Showers

17 mph S

A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

Thursday

Apr 23

66°F

Chance Rain Showers

17 to 31 mph W

A chance of rain showers. Mostly sunny, with a high near 66. Chance of precipitation is 50%.

Thursday Night

Apr 23

32°F

Chance Rain Showers then Chance Rain And Snow Showers

25 to 30 mph NW

A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

Friday

Apr 24

50°F

Slight Chance Snow Showers then Partly Sunny

24 mph NW

A slight chance of snow showers before noon. Partly sunny, with a high near 50. Chance of precipitation is 20%.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Apr 22	Mostly Sunny	86°F	15 to 20 mph SSE	Mostly sunny, with a high near 86.
Wednesday Night Apr 22	Chance Rain Showers	49°F	17 mph S	A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Thursday Apr 23	Chance Rain Showers	66°F	17 to 31 mph W	A chance of rain showers. Mostly sunny, with a high near 66. Chance of precipitation is 50%.
Thursday Night Apr 23	Chance Rain Showers then Chance Rain And Snow Showers	32°F	25 to 30 mph NW	A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. C...
Friday Apr 24	Slight Chance Snow Showers then Partly Sunny	50°F	24 mph NW	A slight chance of snow showers before noon. Partly sunny, with a high near 50. Chance of precipitation is 20%.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Isabel.

Region Links

Dewey County weather

County forecast page

South Dakota weather

Statewide weather overview

United States weather

National weather entry point

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