Wind
NNW
28 mph
G 38 mph
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Keystone, SD.
Get Alerts No Active Alerts
Hour-by-Hour Current Observation
Cloudy and Breezy
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
Today
Rain Showers Likely
Overnight: Chance of Rain
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
Rain/Snow Mix
Overnight: Chance of Rain/Snow Mix
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
Mostly Cloudy
Overnight: Partly Sunny
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
Isolated T-storm
Overnight: Slight Chance of Rain Showers
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
Chance of Thunderstorms
Overnight: Slight Chance of Showers
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.
Keystone, SD Weather Analysis Tools