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 12:55 PM CDTMonday 12:55 PM

°F °C
Regional Observations →
69°F

Mostly Clear

  • 73° / 59° High / Low
  • 69° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

10

Very High

Humidity

22%

Dew 28°F

Sun

6:10 AM · 9:33 PM

Rise · Set

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

5-Day Outlook

Through Friday

Local Radar →

Today

73° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Today

Sunny, with a high near 73. East wind 8 to 12 mph, with gusts as high as 24 mph.

Night

Partly cloudy, with a low around 59. South wind 7 to 12 mph, with gusts as high as 26 mph.

Tuesday

91° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. Southwest wind 12 to 18 mph, with gusts as high as 40 mph.

Night

Partly cloudy, with a low around 57. West wind 8 to 15 mph, with gusts as high as 35 mph.

Wednesday

73° 50°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

A chance of rain showers before 3pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. Northwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

Night

Partly cloudy, with a low around 49. Northwest wind 9 to 14 mph, with gusts as high as 33 mph.

Thursday

73° 48°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

Sunny, with a high near 72.

Night

Mostly clear, with a low around 48.

Friday

77° 50°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Sunny, with a high near 76.

Night

A slight chance of rain showers after midnight. Mostly clear, with a low around 50.

Keystone, SD Weather Analysis Tools