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

Sunday 1:55 PM CDTSunday 1:55 PM

°F °C
Regional Observations →
53°F

Cloudy and Breezy

  • 60° / 37° High / Low
  • 53° Feels Like
  • 0% Chance of Rain

Wind

NNW

28 mph

G 38 mph

UV Index

10

Very High

Humidity

56%

Dew 38°F

Sun

6:25 AM · 9:13 PM

Rise · Set

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

5-Day Outlook

Through Thursday

Local Radar →

Today

60° 37°

Rain Showers Likely

Overnight: Chance of Rain

Detailed forecast

Today

Rain showers likely before noon. Mostly cloudy. High near 60, with temperatures falling to around 58 in the afternoon. Northwest wind 6 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

Night

A chance of rain showers after midnight. Mostly cloudy. Low around 36, with temperatures rising to around 41 overnight. North wind 12 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.

Monday

39° 32°

Rain/Snow Mix

Overnight: Chance of Rain/Snow Mix

Detailed forecast

Monday

Rain showers before 9am, then rain and snow showers. Cloudy. High near 39, with temperatures falling to around 36 in the afternoon. North wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

Night

A chance of rain and snow showers before midnight. Mostly cloudy, with a low around 32. Northwest wind 5 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

Tuesday

53° 35°

Mostly Cloudy

Overnight: Partly Sunny

Detailed forecast

Tuesday

Mostly sunny, with a high near 53. North wind around 7 mph, with gusts as high as 17 mph.

Night

Partly cloudy, with a low around 34. South wind around 6 mph.

Wednesday

64° 42°

Isolated T-storm

Overnight: Slight Chance of Rain Showers

Detailed forecast

Wednesday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.

Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.

Thursday

64° 44°

Chance of Thunderstorms

Overnight: Slight Chance of Showers

Detailed forecast

Thursday

A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 63.

Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.