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Keystone, SD

45°F
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Keystone

South Dakota

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Keystone, SD Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today

 WinterCast Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Fire Weather Watch

Today's Weather

Tue, Apr 21

Very warm with plenty of sun Hi: 82°

Tonight: Partly cloudy Lo: 53°

Current Weather

3:26 AM

45°F
RealFeel® 44°
Clear More Details
Wind W 4 mph
Wind Gusts 6 mph
Air Quality Fair

Looking Ahead

Thunderstorms, some strong, late tomorrow afternoon through early tomorrow evening; storms can bring hail and damaging winds

WinterCast®

Sat Evening - Late Sat Night

Ice

Lasting 3 hours

Keystone Weather Radar

Keystone Weather Radar
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Clouds
Temperature

Hourly Weather

4 AM 45°
rain drop 0%
5 AM 45°
rain drop 0%
6 AM 45°
rain drop 0%
7 AM 50°
rain drop 0%
8 AM 57°
rain drop 0%
9 AM 65°
rain drop 0%
10 AM 71°
rain drop 0%
11 AM 74°
rain drop 0%
12 PM 76°
rain drop 0%
1 PM 79°
rain drop 0%
2 PM 80°
rain drop 0%
3 PM 82°
rain drop 0%

10-Day Weather Forecast

Today

4/21

82° 53°

Very warm with plenty of sun

Night: Partly cloudy
2%

Wed

4/22

78° 43°

A strong afternoon t-storm

A strong thunderstorm early
55%

Thu

4/23

52° 28°

A shower; breezy, cooler

Cloudy and colder
56%

Fri

4/24

40° 21°

Mostly cloudy and colder

Cold; a little snow early
25%

Sat

4/25

42° 30°

Mostly cloudy

Rain and ice in the evening
25%

Sun

4/26

40° 25°

Cold with periods of rain

A shower early; mostly cloudy
91%

Mon

4/27

46° 29°

Periods of clouds and sun

Cloudy
21%

Tue

4/28

57° 30°

Clouds, a shower in the p.m.

Partly cloudy
55%

Wed

4/29

54° 30°

Mostly cloudy

A shower early; mostly cloudy
8%

Thu

4/30

53° 31°

Sunny intervals

Mostly clear
1%

Sun & Moon

13 hrs 44 mins
Rise 6:01 AM
Set 7:45 PM
Waxing Crescent
Rise 8:45 AM
Set 1:31 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Very High Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Very High Data is not supported in this location

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World North America United States South Dakota Keystone

Weather Near Keystone:

  • Rapid City, SD
  • Sheridan, WY
  • Spearfish, SD
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