Local Forecast

Keystone, SD Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Keystone, SD.

No Active Alerts

Hour-by-Hour  Current Observation

Monday 8:55 AM CDTMonday 8:55 AM

°F °C
Regional Observations →
71°F

Partly Cloudy

  • 77° / 53° High / Low
  • 71° Feels Like
  • 0% Chance of Rain

Wind

5 mph

NE

UV Index

5

Moderate

Humidity

33%

Dew 41°F

Sun

6:12 AM · 9:39 PM

Rise · Set

Source: ELLSWORTH AFB (KRCA). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

Today

77° 53°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Today

Sunny, with a high near 77. Southwest wind 14 to 23 mph, with gusts as high as 46 mph.

Night

Mostly clear, with a low around 53. Southwest wind 5 to 20 mph, with gusts as high as 43 mph.

Tuesday

84° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Sunny, with a high near 84. Southwest wind 5 to 9 mph, with gusts as high as 23 mph.

Night

A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 59. West wind 3 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Wednesday

82° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

A chance of rain showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Northeast wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Night

Partly cloudy, with a low around 59. Northwest wind 3 to 8 mph, with gusts as high as 21 mph.

Thursday

86° 60°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.

Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.

Friday

86° 62°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 85.

Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.

Keystone, SD Weather Analysis Tools