10-Day Weather Forecast for Keystone, South Dakota - The Weather Channel | weather.com
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10 Day Weather-

As of 2:25 am MDT
alertLevel3

Red Flag Warning

Tonight

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

52°
Clear Night
W 8 mph

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

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  • 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
82°/37°
Rain drop 0%
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Day

82°
Mostly Clear Day
WSW 12 mph

Sunshine and some clouds. Record high temperatures expected. High 82F. 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°
Scattered Showers Night
Rain drop
43%
N 14 mph

Mostly cloudy with some showers late. Low 37F. Winds N at 10 to 20 mph. Chance of rain 40%.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:52 am
  • Moonset
    Moonset10:56 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Scattered Showers Day AM Showers
51°/31°
Rain drop 55%
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Day

51°
Scattered Showers Day
Rain drop
55%
NNE 8 mph

Showers in the morning, then partly cloudy in the afternoon. Much cooler. High 51F. Winds NNE at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity60%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:08 pm

Night

31°
Mostly Cloudy Night
Mixed precipitation
3%
S 5 mph

Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 31F. Winds light and variable.

  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:22 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
62°/39°
Rain drop 3%
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Day

62°
Partly Cloudy Day
Rain drop
3%
SE 8 mph

Partly cloudy. High 62F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity41%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset7:10 pm

Night

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

Partly cloudy skies during the evening will give way to cloudy skies overnight. 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

Tue 24

Partly Cloudy Day Partly Cloudy
66°/45°
Rain drop 0%
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Day

66°
Partly Cloudy Day
NE 8 mph

Intervals of clouds and sunshine in the morning with more clouds for later in the day. High 66F. Winds NE at 5 to 10 mph.

  • Humidity
    Humidity34%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset7:11 pm

Night

45°
Partly Cloudy Night
SW 7 mph

Considerable clouds early. Some decrease in clouds late. Low near 45F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:52 am
  • Moonset
    Moonset1:34 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Partly Cloudy Day Partly Cloudy
74°/41°
Rain drop 1%
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Day

74°
Partly Cloudy Day
Rain drop
1%
WNW 10 mph

Intervals of clouds and sunshine. High 74F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity27%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:12 pm

Night

41°
Partly Cloudy Night
Rain drop
1%
NNW 8 mph

A few clouds from time to time. Low 41F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:55 am
  • Moonset
    Moonset2:41 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Partly Cloudy Day Partly Cloudy
54°/31°
Rain drop 8%
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Day

54°
Partly Cloudy Day
Rain drop
8%
N 12 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High 54F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:13 pm

Night

31°
Mostly Cloudy Night
Mixed precipitation
5%
N 10 mph

Mainly cloudy. Low 31F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:07 pm
  • Moonset
    Moonset3:36 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day Partly Cloudy
49°/30°
Rain drop 6%
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Day

49°
Partly Cloudy Day
Rain drop
6%
ESE 10 mph

Considerable clouds early. Some decrease in clouds later in the day. High 49F. Winds ESE at 5 to 10 mph.

  • Humidity
    Humidity34%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:15 pm

Night

30°
Partly Cloudy Night
Mixed precipitation
2%
S 8 mph

Partly cloudy in the evening with more clouds for later at night. Low near 30F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:24 pm
  • Moonset
    Moonset4:17 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
60°/37°
Rain drop 2%
Add

Day

60°
Partly Cloudy Day
Rain drop
2%
SSE 10 mph

Partly cloudy skies. High near 60F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity33%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:41 am
  • Sunset
    Sunset7:16 pm

Night

37°
Partly Cloudy Night
Mixed precipitation
15%
SW 7 mph

Mostly cloudy skies early, then partly cloudy after midnight. Low 37F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:40 pm
  • Moonset
    Moonset4:49 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Partly Cloudy Day Partly Cloudy
70°/41°
Rain drop 4%
Add

Day

70°
Partly Cloudy Day
Rain drop
4%
SW 10 mph

Intervals of clouds and sunshine. High near 70F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity29%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:40 am
  • Sunset
    Sunset7:17 pm

Night

41°
Partly Cloudy Night
Rain drop
6%
WNW 8 mph

A few clouds from time to time. Low 41F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:54 pm
  • Moonset
    Moonset5:14 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Partly Cloudy Day Partly Cloudy
64°/38°
Rain drop 14%
Add

Day

64°
Partly Cloudy Day
Rain drop
14%
WNW 10 mph

Partly cloudy. High 64F. WSW winds shifting to N at 10 to 15 mph.

  • Humidity
    Humidity34%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:18 pm

Night

38°
Foggy
Mixed precipitation
24%
NNW 9 mph

Mostly cloudy skies early, then becoming foggy and damp late. Low 38F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:04 pm
  • Moonset
    Moonset5:35 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Foggy PM Fog
61°/37°
Rain drop 24%
Add

Day

61°
Foggy
Rain drop
24%
W 11 mph

Cloudy during the morning. Fog developing in the afternoon. High 61F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:36 am
  • Sunset
    Sunset7:19 pm

Night

37°
Partly Cloudy Night
Mixed precipitation
14%
W 9 mph

Considerable clouds early. Some decrease in clouds late. Low 37F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:13 pm
  • Moonset
    Moonset5:54 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Partly Cloudy Day Partly Cloudy
64°/39°
Rain drop 12%
Add

Day

64°
Partly Cloudy Day
Rain drop
12%
W 13 mph

Intervals of clouds and sunshine. High 64F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity36%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:34 am
  • Sunset
    Sunset7:21 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
13%
W 10 mph

A few clouds from time to time. Low 39F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:21 pm
  • Moonset
    Moonset6:12 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Partly Cloudy Day Partly Cloudy
60°/38°
Rain drop 17%
Add

Day

60°
Partly Cloudy Day
Rain drop
17%
W 12 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High around 60F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:32 am
  • Sunset
    Sunset7:22 pm

Night

38°
Partly Cloudy Night
Mixed precipitation
18%
WNW 9 mph

Partly cloudy skies. Low 38F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:27 pm
  • Moonset
    Moonset6:31 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Mostly Cloudy Day Mostly Cloudy
60°/38°
Rain drop 21%
Add

Day

60°
Mostly Cloudy Day
Rain drop
21%
W 11 mph

Mainly cloudy. High near 60F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:31 am
  • Sunset
    Sunset7:23 pm

Night

38°
Mostly Cloudy Night
Mixed precipitation
21%
NW 8 mph

Considerable cloudiness. Low 38F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:35 pm
  • Moonset
    Moonset6:51 am
  • Moon Phase - Day 16 Waning Gibbous
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