National Weather Service forecast

Keystone, South Dakota Weather

32°Tonight: Mostly Clear
Wind NW 5 mph
7-DayHourlyRadar

Keystone 7-Day Forecast

  1. Tonight
    32°F
    Mostly Clear

    Mostly clear, with a low around 32. Northwest wind around 5 mph.

  2. Wednesday
    53°F
    Mostly Sunny

    Mostly sunny. High near 53, with temperatures falling to around 43 in the afternoon. North wind 3 to 7 mph, with gusts as high as 20 mph.

  3. Wednesday Night
    34°F
    Partly Cloudy

    Partly cloudy, with a low around 34. Northwest wind around 5 mph, with gusts as high as 17 mph.

  4. Thursday
    55°F
    Sunny

    Sunny. High near 55, with temperatures falling to around 43 in the afternoon. South wind around 3 mph.

  5. Thursday Night
    37°F
    Partly Cloudy

    Partly cloudy. Low around 37, with temperatures rising to around 39 overnight. Southwest wind around 5 mph, with gusts as high as 16 mph.

  6. Friday
    56°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny. High near 56, with temperatures falling to around 42 in the afternoon. North wind 0 to 5 mph.

  7. Friday Night
    36°F
    Mostly Clear

    Mostly clear, with a low around 36.

  8. Saturday
    60°F
    Sunny

    Sunny, with a high near 60.

  9. Saturday Night
    38°F
    Mostly Clear

    Mostly clear, with a low around 38.

  10. Sunday
    68°F
    Sunny

    Sunny, with a high near 68.

  11. Sunday Night
    44°F
    Mostly Clear

    Mostly clear, with a low around 44.

  12. Monday
    61°F
    Sunny

    Sunny, with a high near 61.

  13. Monday Night
    40°F
    Partly Cloudy

    Partly cloudy, with a low around 40.

  14. Tuesday
    62°F
    Mostly Sunny

    Mostly sunny, with a high near 62.

Issued by the National Weather Service (UNR office), updated .

Keystone Hourly Forecast

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Full 100+ hour forecast for Keystone

Keystone Weather Radar

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About Keystone

Population (2020 Census)
240
Coordinates
43.895, -103.427
Elevation
4,541 ft
NWS forecast office
UNR
Time zone
America/Denver
Sunrise today
6:32 AM MST
Sunset today
4:42 PM MST
Daylight today
10 h 10 min

Keystone Weather Questions

What is the weather forecast for Keystone, South Dakota?

Tonight: Mostly clear, with a low around 32. Northwest wind around 5 mph. Wednesday: Mostly sunny. High near 53, with temperatures falling to around 43 in the afternoon. North wind 3 to 7 mph, with gusts as high as 20 mph.

Will it rain or snow in Keystone this week?

Not much. The highest chance of precipitation in the 7-day forecast is 1%, Friday.

How warm and how cold will it get in Keystone this week?

The warmest day is Sunday, with a high near 68°F. The coldest night is Tonight, with a low near 32°F.

What time are sunrise and sunset in Keystone today?

Sunrise is at 6:32 AM MST and sunset is at 4:42 PM MST, for 10 h 10 min of daylight.

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