Extended 10-day forecasts, Keystone (SD)
Check out our May climate page to see if the current temperatures in Keystone is typical for this time of year.
HOURLY
Temperature
Feels like
Precipitation
Chance of rain
Wind direction
Wind speed
00:00
14°C
14°C
0 mm
2%
SW 
4 km/h
01:00
13°C
13°C
0 mm
2%
W
11 km/h
02:00
13°C
13°C
0 mm
2%
NW
11 km/h
03:00
12°C
12°C
0 mm
2%
NW
11 km/h
04:00
12°C
12°C
0 mm
2%
N
7 km/h
05:00
10°C
10°C
0 mm
2%
N
11 km/h
06:00
10°C
10°C
0 mm
2%
NW
7 km/h
07:00
12°C
12°C
0 mm
2%
S
4 km/h
08:00
18°C
18°C
0 mm
2%
SE
7 km/h
09:00
22°C
22°C
0 mm
2%
SE
7 km/h
10:00
24°C
24°C
0 mm
2%
S
11 km/h
11:00
24°C
24°C
0 mm
2%
S
14 km/h
12:00
24°C
24°C
0 mm
2%
SW
18 km/h
13:00
24°C
24°C
0 mm
2%
SW
18 km/h
14:00
25°C
25°C
0 mm
2%
SW
18 km/h
15:00
25°C
25°C
0 mm
2%
W
22 km/h
16:00
25°C
25°C
0 mm
3%
W
18 km/h
17:00
24°C
24°C
0 mm
4%
W
14 km/h
18:00
23°C
23°C
0 mm
5%
W
11 km/h
19:00
21°C
21°C
0 mm
4%
W
11 km/h
20:00
17°C
17°C
0 mm
2%
SW
11 km/h
21:00
15°C
15°C
0 mm
1%
W
11 km/h
22:00
13°C
13°C
0 mm
1%
NW
14 km/h
23:00
12°C
12°C
0 mm
2%
NW
18 km/h
14°C
14°C
0 mm
2%
SW
4 km/h
01:00
13°C
13°C
0 mm
2%
W
11 km/h
02:00
13°C
13°C
0 mm
2%
NW
11 km/h
03:00
12°C
12°C
0 mm
2%
NW
11 km/h
04:00
12°C
12°C
0 mm
2%
N
7 km/h
05:00
10°C
10°C
0 mm
2%
N
11 km/h
06:00
10°C
10°C
0 mm
2%
NW
7 km/h
07:00
12°C
12°C
0 mm
2%
S
4 km/h
08:00
18°C
18°C
0 mm
2%
SE
7 km/h
09:00
22°C
22°C
0 mm
2%
SE
7 km/h
10:00
24°C
24°C
0 mm
2%
S
11 km/h
11:00
24°C
24°C
0 mm
2%
S
14 km/h
12:00
24°C
24°C
0 mm
2%
SW
18 km/h
13:00
24°C
24°C
0 mm
2%
SW
18 km/h
14:00
25°C
25°C
0 mm
2%
SW
18 km/h
15:00
25°C
25°C
0 mm
2%
W
22 km/h
16:00
25°C
25°C
0 mm
3%
W
18 km/h
17:00
24°C
24°C
0 mm
4%
W
14 km/h
18:00
23°C
23°C
0 mm
5%
W
11 km/h
19:00
21°C
21°C
0 mm
4%
W
11 km/h
20:00
17°C
17°C
0 mm
2%
SW
11 km/h
21:00
15°C
15°C
0 mm
1%
W
11 km/h
22:00
13°C
13°C
0 mm
1%
NW
14 km/h
23:00
12°C
12°C
0 mm
2%
NW
18 km/h
HOURLY
Temperature
Feels like
Precipitation
Chance of rain
Wind direction
Wind speed
00:00
11°C
11°C
0 mm
2%
NW
22 km/h
01:00
10°C
10°C
0 mm
3%
NW
22 km/h
02:00
10°C
7°C
0 mm
5%
NW
22 km/h
03:00
8°C
5°C
0 mm
6%
NW
22 km/h
04:00
8°C
5°C
0 mm
4%
NW
22 km/h
05:00
7°C
4°C
0 mm
3%
NW
18 km/h
06:00
7°C
4°C
0 mm
1%
NW
14 km/h
07:00
8°C
5°C
0 mm
2%
NW
14 km/h
08:00
9°C
7°C
0 mm
2%
NW
14 km/h
09:00
11°C
11°C
0 mm
2%
NW
11 km/h
10:00
13°C
13°C
0 mm
2%
NW
11 km/h
11:00
15°C
15°C
0 mm
2%
W
7 km/h
12:00
16°C
16°C
0 mm
2%
W
4 km/h
13:00
17°C
17°C
0 mm
2%
NW
4 km/h
14:00
18°C
18°C
0 mm
2%
NW
4 km/h
15:00
19°C
19°C
0 mm
2%
NW
4 km/h
16:00
19°C
19°C
0 mm
2%
NE
4 km/h
17:00
19°C
19°C
0 mm
2%
NE
4 km/h
18:00
18°C
18°C
0 mm
2%
E
7 km/h
19:00
16°C
16°C
0 mm
2%
E
7 km/h
20:00
13°C
13°C
0 mm
2%
E
11 km/h
21:00
12°C
12°C
0 mm
2%
SW
11 km/h
22:00
11°C
11°C
0 mm
2%
SW
11 km/h
23:00
10°C
10°C
0 mm
2%
S
11 km/h
11°C
11°C
0 mm
2%
NW
22 km/h
01:00
10°C
10°C
0 mm
3%
NW
22 km/h
02:00
10°C
7°C
0 mm
5%
NW
22 km/h
03:00
8°C
5°C
0 mm
6%
NW
22 km/h
04:00
8°C
5°C
0 mm
4%
NW
22 km/h
05:00
7°C
4°C
0 mm
3%
NW
18 km/h
06:00
7°C
4°C
0 mm
1%
NW
14 km/h
07:00
8°C
5°C
0 mm
2%
NW
14 km/h
08:00
9°C
7°C
0 mm
2%
NW
14 km/h
09:00
11°C
11°C
0 mm
2%
NW
11 km/h
10:00
13°C
13°C
0 mm
2%
NW
11 km/h
11:00
15°C
15°C
0 mm
2%
W
7 km/h
12:00
16°C
16°C
0 mm
2%
W
4 km/h
13:00
17°C
17°C
0 mm
2%
NW
4 km/h
14:00
18°C
18°C
0 mm
2%
NW
4 km/h
15:00
19°C
19°C
0 mm
2%
NW
4 km/h
16:00
19°C
19°C
0 mm
2%
NE
4 km/h
17:00
19°C
19°C
0 mm
2%
NE
4 km/h
18:00
18°C
18°C
0 mm
2%
E
7 km/h
19:00
16°C
16°C
0 mm
2%
E
7 km/h
20:00
13°C
13°C
0 mm
2%
E
11 km/h
21:00
12°C
12°C
0 mm
2%
SW
11 km/h
22:00
11°C
11°C
0 mm
2%
SW
11 km/h
23:00
10°C
10°C
0 mm
2%
S
11 km/h
Sunday 19 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
10°C
8°C
0 mm
2%
57%
S
18 km/h
10°C
8°C
0 mm
2%
57%
S
18 km/h
morning
19°C
19°C
0 mm
2%
27%
W
11 km/h
19°C
19°C
0 mm
2%
27%
W
11 km/h
afternoon
23°C
23°C
0.3 mm
37%
28%
W
11 km/h
23°C
23°C
0.3 mm
37%
28%
W
11 km/h
evening
18°C
18°C
1 mm
40%
58%
N
18 km/h
18°C
18°C
1 mm
40%
58%
N
18 km/h
Monday 20 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
8°C
5°C
1.3 mm
25%
63%
NW
18 km/h
8°C
5°C
1.3 mm
25%
63%
NW
18 km/h
morning
10°C
9°C
0 mm
27%
58%
NW
14 km/h
10°C
9°C
0 mm
27%
58%
NW
14 km/h
afternoon
13°C
13°C
0.8 mm
87%
71%
NE
4 km/h
13°C
13°C
0.8 mm
87%
71%
NE
4 km/h
evening
8°C
8°C
4.1 mm
80%
93%
N
7 km/h
8°C
8°C
4.1 mm
80%
93%
N
7 km/h
Tuesday 21 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
5°C
2°C
0.1 mm
46%
80%
NW
14 km/h
5°C
2°C
0.1 mm
46%
80%
NW
14 km/h
morning
7°C
4°C
0.7 mm
59%
77%
N
14 km/h
7°C
4°C
0.7 mm
59%
77%
N
14 km/h
afternoon
10°C
9°C
3.1 mm
77%
75%
NW
7 km/h
10°C
9°C
3.1 mm
77%
75%
NW
7 km/h
evening
8°C
8°C
1.6 mm
70%
89%
SE
7 km/h
8°C
8°C
1.6 mm
70%
89%
SE
7 km/h
Wednesday 22 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
3°C
0°C
0 mm
22%
75%
W
14 km/h
3°C
0°C
0 mm
22%
75%
W
14 km/h
morning
12°C
12°C
0 mm
22%
54%
W
11 km/h
12°C
12°C
0 mm
22%
54%
W
11 km/h
afternoon
17°C
17°C
1 mm
63%
36%
SE
11 km/h
17°C
17°C
1 mm
63%
36%
SE
11 km/h
evening
14°C
14°C
0.1 mm
54%
37%
SW
11 km/h
14°C
14°C
0.1 mm
54%
37%
SW
11 km/h
Thursday 23 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
7°C
5°C
0.1 mm
43%
54%
SW
11 km/h
7°C
5°C
0.1 mm
43%
54%
SW
11 km/h
morning
13°C
13°C
0.5 mm
45%
55%
SW
11 km/h
13°C
13°C
0.5 mm
45%
55%
SW
11 km/h
afternoon
17°C
17°C
2.2 mm
68%
44%
NW
14 km/h
17°C
17°C
2.2 mm
68%
44%
NW
14 km/h
evening
14°C
14°C
2.4 mm
80%
71%
N
14 km/h
14°C
14°C
2.4 mm
80%
71%
N
14 km/h
Friday 24 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
6°C
4°C
1.2 mm
52%
85%
N
11 km/h
6°C
4°C
1.2 mm
52%
85%
N
11 km/h
morning
12°C
12°C
0.9 mm
55%
83%
NE
11 km/h
12°C
12°C
0.9 mm
55%
83%
NE
11 km/h
afternoon
14°C
14°C
1.1 mm
64%
53%
SE
14 km/h
14°C
14°C
1.1 mm
64%
53%
SE
14 km/h
evening
12°C
12°C
0.8 mm
62%
79%
SE
14 km/h
12°C
12°C
0.8 mm
62%
79%
SE
14 km/h
Saturday 25 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
5°C
3°C
0.1 mm
29%
86%
SW
11 km/h
5°C
3°C
0.1 mm
29%
86%
SW
11 km/h
morning
12°C
12°C
0 mm
35%
59%
S
14 km/h
12°C
12°C
0 mm
35%
59%
S
14 km/h
afternoon
16°C
16°C
0.3 mm
54%
58%
S
14 km/h
16°C
16°C
0.3 mm
54%
58%
S
14 km/h
evening
15°C
15°C
1.6 mm
65%
81%
SE
14 km/h
15°C
15°C
1.6 mm
65%
81%
SE
14 km/h
Sunday 26 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
7°C
5°C
1.5 mm
30%
92%
S
11 km/h
7°C
5°C
1.5 mm
30%
92%
S
11 km/h
morning
14°C
14°C
0.1 mm
34%
80%
W
11 km/h
14°C
14°C
0.1 mm
34%
80%
W
11 km/h
afternoon
18°C
18°C
0.9 mm
57%
52%
E
14 km/h
18°C
18°C
0.9 mm
57%
52%
E
14 km/h
evening
16°C
16°C
0.9 mm
64%
68%
NE
11 km/h
16°C
16°C
0.9 mm
64%
68%
NE
11 km/h
Monday 27 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
10°C
8°C
1.2 mm
63%
97%
N
11 km/h
10°C
8°C
1.2 mm
63%
97%
N
11 km/h
morning
16°C
16°C
1.2 mm
45%
79%
W
11 km/h
16°C
16°C
1.2 mm
45%
79%
W
11 km/h
afternoon
21°C
21°C
0 mm
62%
63%
NW
11 km/h
21°C
21°C
0 mm
62%
63%
NW
11 km/h
evening
20°C
20°C
0 mm
71%
72%
NW
11 km/h
20°C
20°C
0 mm
71%
72%
NW
11 km/h
Tuesday 28 May
Temperature
Feels like
Precipitation
Chance of
Humidity
Wind direction
Wind speed
Temp
Feels
Rain
Chance
Humidity
Wind
Speed
night
10°C
10°C
0 mm
62%
89%
W
11 km/h
10°C
10°C
0 mm
62%
89%
W
11 km/h
morning
17°C
17°C
0 mm
28%
71%
SW
11 km/h
17°C
17°C
0 mm
28%
71%
SW
11 km/h
afternoon
22°C
22°C
0.6 mm
43%
39%
SE
11 km/h
22°C
22°C
0.6 mm
43%
39%
SE
11 km/h
evening
21°C
21°C
0.6 mm
55%
52%
NE
7 km/h
21°C
21°C
0.6 mm
55%
52%
NE
7 km/h
