Weather Forecast and Conditions for Keystone, South Dakota - The Weather Channel | Weather.com
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51° Clear Night
Clear
Day 78° • Night 52°
Feels Like49°
Sunrise

6:54 am

Sunset

7:07 pm

Temperature
High / Low
--/52°
Wind
5 mph
Humidity
Humidity
34%
Dew point
Dew Point
24°
Pressure
Pressure
29.84 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 2
Moon Phase
Waxing Crescent

Hourly Weather-

Now

Clear Night Clear
51°
Rain drop 0%
W 5 mph
Subtract

Clear

  • Temperature feels like
    Feels Like49°
  • WindW 5 mph
  • Humidity
    Humidity34%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 in

2 am

Clear Night Clear
51°
Rain drop 0%
W 6 mph
Add

Clear

  • Temperature feels like
    Feels Like49°
  • WindW 6 mph
  • Humidity
    Humidity33%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

3 am

Clear Night Clear
52°
Rain drop 0%
WSW 7 mph
Add

Clear

  • Temperature feels like
    Feels Like50°
  • WindWSW 7 mph
  • Humidity
    Humidity32%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover8%
  • Rain drop
    Rain Amount0 in

4 am

Clear Night Clear
54°
Rain drop 0%
W 8 mph
Add

Clear

  • Temperature feels like
    Feels Like51°
  • WindW 8 mph
  • Humidity
    Humidity30%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover13%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Clear Night Clear
--/52°
Rain drop 0%
Subtract

Night

52°
Clear Night
W 8 mph

Clear skies. Low 52F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity32%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:27 am
  • Moonset
    Moonset9:35 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Mostly Clear Day Mostly Sunny
81°/37°
Rain drop 0%
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Day

81°
Mostly Clear Day
WSW 11 mph

Sunshine and some clouds. Record high temperatures expected. High 81F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity19%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:54 am
  • Sunset
    Sunset7:07 pm

Night

37°
Showers
Rain drop
64%
N 14 mph

Cloudy skies with periods of light rain after midnight. Low 37F. Winds N at 10 to 20 mph. Chance of rain 60%.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:52 am
  • Moonset
    Moonset10:56 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Showers AM Light Rain
52°/32°
Rain drop 59%
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Day

52°
Showers
Rain drop
59%
NNE 8 mph

Light rain early. Breaks of sun in the afternoon. Much cooler. High 52F. Winds NNE at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity59%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:08 pm

Night

32°
Mostly Cloudy Night
Mixed precipitation
10%
S 5 mph

Partly cloudy skies early will become overcast later during the night. Low 32F. Winds light and variable.

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:22 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day AM Clouds/PM Sun
63°/39°
Rain drop 5%
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Day

63°
Partly Cloudy Day
Rain drop
5%
SE 8 mph

Cloudy skies early, followed by partial clearing. High 63F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset7:10 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
2%
NW 5 mph

Partly cloudy in the evening with more clouds for later at night. Low 39F. Winds light and variable.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:02 am
  • Moonset
    Moonset12:17 am
  • Moon Phase - Day 5 Waxing Crescent
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