10-Day Weather Forecast for Keystone, South Dakota 57751 - The Weather Channel | weather.com
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10 Day Weather-

As of 11:27 pm MDT

Tonight

Mostly Clear Night Mostly Clear
--/37°
Rain drop 15%
Subtract

Night

37°
Mostly Clear Night
Mixed precipitation
15%
N 11 mph

A few passing clouds. Low 37F. Winds N at 10 to 15 mph.

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Breaking Down Thursday’s Storm Threat


  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:55 am
  • Moonset
    Moonset2:41 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Snow PM Snow
40°/23°
Rain drop 70%
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Day

40°
Snow
Snowflake
70%
NNE 12 mph

Cloudy. Snow likely in the afternoon. High near 40F. Winds NNE at 10 to 15 mph. Chance of snow 70%.

  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:13 pm

Night

23°
Partly Cloudy Night
Snowflake
21%
NNW 6 mph

Cloudy skies early, followed by partial clearing. Low 23F. Winds NNW at 5 to 10 mph.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:07 pm
  • Moonset
    Moonset3:35 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Mostly Clear Day Mostly Sunny
48°/37°
Rain drop 1%
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Day

48°
Mostly Clear Day
Rain drop
1%
S 11 mph

Plentiful sunshine. High 48F. NNW winds shifting to S at 10 to 15 mph.

  • Humidity
    Humidity34%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:14 pm

Night

37°
Partly Cloudy Night
SW 13 mph

Partly cloudy. Low 37F. Winds SW at 10 to 20 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:24 pm
  • Moonset
    Moonset4:16 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
71°/39°
Rain drop 0%
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Day

71°
Partly Cloudy Day
ESE 9 mph

Sunshine and clouds mixed. High 71F. Winds ESE at 5 to 10 mph.

  • Humidity
    Humidity22%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:41 am
  • Sunset
    Sunset7:16 pm

Night

39°
Partly Cloudy Night
NW 7 mph

Clear to partly cloudy. Low 39F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity36%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:40 pm
  • Moonset
    Moonset4:48 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Sunny Sunny
74°/43°
Rain drop 0%
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Day

74°
Sunny
N 8 mph

Mainly sunny. High 74F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity21%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:39 am
  • Sunset
    Sunset7:17 pm

Night

43°
Partly Cloudy Night
Rain drop
1%
NW 7 mph

A few clouds from time to time. Low 43F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity38%
  • 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
68°/39°
Rain drop 1%
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Day

68°
Partly Cloudy Day
Rain drop
1%
ESE 10 mph

Sunshine and clouds mixed. High 68F. Winds ESE at 10 to 15 mph.

  • Humidity
    Humidity29%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:18 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
13%
N 8 mph

Partly cloudy. Low 39F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity52%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:04 pm
  • Moonset
    Moonset5:35 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Mostly Cloudy Day Mostly Cloudy
57°/27°
Rain drop 24%
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Day

57°
Mostly Cloudy Day
Rain drop
24%
NW 13 mph

Mostly cloudy skies. High 57F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity38%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:36 am
  • Sunset
    Sunset7:19 pm

Night

27°
Rain, Snow, Wintery Mix
Mixed precipitation
46%
NNE 11 mph

Rain showers in the evening changing to snow showers overnight. Low 27F. Winds NNE at 10 to 15 mph. Chance of precip 50%. Snow accumulations less than one inch.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:13 pm
  • Moonset
    Moonset5:54 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Snow Snow
39°/27°
Rain drop 67%
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Day

39°
Snow
Snowflake
67%
ENE 11 mph

Cloudy with snow showers becoming a steady accumulating snow later on. High 39F. Winds ENE at 10 to 15 mph. Chance of snow 70%. Snow accumulations less than one inch.

  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:34 am
  • Sunset
    Sunset7:20 pm

Night

27°
Snow
Snowflake
66%
E 9 mph

Snow in the evening will give way to lingering snow showers overnight. Low 27F. Winds E at 5 to 10 mph. Chance of snow 70%. About one inch of snow expected.

  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:20 pm
  • Moonset
    Moonset6:12 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Mostly Cloudy Day Mostly Cloudy
48°/33°
Rain drop 24%
Add

Day

48°
Mostly Cloudy Day
Rain drop
24%
SSE 12 mph

Considerable cloudiness. High 48F. Winds SSE at 10 to 15 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:32 am
  • Sunset
    Sunset7:22 pm

Night

33°
Partly Cloudy Night
Mixed precipitation
24%
SSW 9 mph

A few clouds. Low 33F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:27 pm
  • Moonset
    Moonset6:30 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Scattered Showers Day PM Showers
56°/31°
Rain drop 42%
Add

Day

56°
Scattered Showers Day
Rain drop
42%
W 10 mph

Partly cloudy early followed by increasing clouds with showers developing later in the day. High 56F. Winds W at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity48%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:30 am
  • Sunset
    Sunset7:23 pm

Night

31°
Rain, Snow, Wintery Mix
Mixed precipitation
47%
NNW 8 mph

Rain and snow showers in the evening transitioning to snow showers overnight. Low 31F. Winds NNW at 5 to 10 mph. Chance of precip 50%. Snow accumulations less than one inch.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:35 pm
  • Moonset
    Moonset6:51 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Mostly Cloudy Day Mostly Cloudy
52°/30°
Rain drop 14%
Add

Day

52°
Mostly Cloudy Day
Rain drop
14%
NW 12 mph

Mainly cloudy. High 52F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:29 am
  • Sunset
    Sunset7:24 pm

Night

30°
Partly Cloudy Night
Mixed precipitation
9%
WNW 8 mph

Partly cloudy skies. Low near 30F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:41 pm
  • Moonset
    Moonset7:14 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Partly Cloudy Day Partly Cloudy
58°/33°
Rain drop 8%
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Day

58°
Partly Cloudy Day
Rain drop
8%
WSW 10 mph

Intervals of clouds and sunshine. High 58F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:27 am
  • Sunset
    Sunset7:25 pm

Night

33°
Partly Cloudy Night
Mixed precipitation
9%
WNW 8 mph

Partly cloudy. Low 33F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:47 pm
  • Moonset
    Moonset7:42 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Partly Cloudy Day Partly Cloudy
57°/31°
Rain drop 24%
Add

Day

57°
Partly Cloudy Day
Rain drop
24%
WNW 12 mph

Intervals of clouds and sunshine. High 57F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity41%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:25 am
  • Sunset
    Sunset7:27 pm

Night

31°
Partly Cloudy Night
Mixed precipitation
18%
NW 10 mph

Partly cloudy skies. Low 31F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset8:16 am
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Partly Cloudy Day Partly Cloudy
55°/29°
Rain drop 12%
Add

Day

55°
Partly Cloudy Day
Rain drop
12%
NW 12 mph

Partly cloudy. High around 55F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity45%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:23 am
  • Sunset
    Sunset7:28 pm

Night

29°
Partly Cloudy Night
Mixed precipitation
17%
NW 10 mph

Partly cloudy. Low 29F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:48 am
  • Moonset
    Moonset8:59 am
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Partly Cloudy Day Partly Cloudy
58°/32°
Rain drop 12%
Add

Day

58°
Partly Cloudy Day
Rain drop
12%
NW 12 mph

Partly cloudy skies. High 58F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:22 am
  • Sunset
    Sunset7:29 pm

Night

32°
Mostly Cloudy Night
Mixed precipitation
14%
NNW 9 mph

Mostly cloudy skies. Low 32F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:43 am
  • Moonset
    Moonset9:50 am
  • Moon Phase - Day 21 Waning Gibbous
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