Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Waning Gibbous 98%

20:58

07:04

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:04, Set: 19:55, Transit: 13:30. Moon - Rise: 20:58, Set: 07:04. Civil Dark: 20:24 - 06:34. Nautical Dark: 20:59 - 05:59. Astro Dark: 21:35 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
93
94
100
100
100
100
96
79
94
69
98
99
97
99

Low Clouds (% Sky Obscured)

100
98
99
94
97
96
99
100
100
100
90
94
100
100
100
100
96
79
89
69
74
62
64
74

Medium Clouds (% Sky Obscured)

100
99
100
100
100
100
97
38
17
8
0
0
0
0
0
0
0
3
34
39
91
98
79
92

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
88
56
0
0
0
0
0
0
0
3
0
6
28
2
29
50
26

ISS Passover

Visibility (miles)

2
2
1
0
3
5
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Snow
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
84
54
28
28
22
8
1
0
1
0
0
0
0
0
0
0
1
13
11
18

Precipitation Amount (mm)

0.7
1.1
0.7
1.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
12
12
13
11
11
10
9
9
8
8
6
5
4
4
5
7
4
6
7
9
10
10

Chance of Frost

Temperature (°C)

1
1
1
0
0
1
1
2
2
2
2
2
2
2
2
2
2
1
1
1
0
0
0
-0

Feels Like (°C)

-4
-5
-4
-5
-5
-4
-4
-3
-3
-2
-2
-2
-2
-2
-2
-2
-3
-3
-2
-4
-3
-5
-6
-5

Dew Point (°C)

-0
-0
1
-0
-1
-1
0
1
1
1
0
1
0
0
0
0
0
-1
-0
-1
-1
-1
-1
-1

Relative Humidity (%)

94
94
98
96
94
92
93
91
91
91
88
88
86
89
89
89
91
89
93
92
94
94
92
92

Pressure (mb)

1007
1008
1008
1008
1007
1008
1007
1007
1008
1008
1008
1009
1010
1011
1012
1013
1013
1013
1014
1015
1015
1015
1015
1015

Ozone (du)

355
358
359
364
370
370
368
368
367
361
354
347
347
346
344
344
344
342
344
344
343
341
340
338

Friday 3

Waning Gibbous 95%

22:05

07:24

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:03, Set: 19:56, Transit: 13:29. Moon - Rise: 22:05, Set: 07:24. Civil Dark: 20:25 - 06:32. Nautical Dark: 21:00 - 05:57. Astro Dark: 21:36 - 05:21

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
98
100
93
97
86
99
88

Low Clouds (% Sky Obscured)

58
77
91
100
96
100
100
100
100
100
100
100
100
98
100
100
100
98
100
93
97
86
99
88

Medium Clouds (% Sky Obscured)

100
99
93
92
60
70
75
75
100
82
84
63
97
28
0
19
0
0
0
20
76
22
72
44

High Clouds (% Sky Obscured)

50
5
55
60
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
1
4
9
9
9
9
9
8
1
1
1
5
2
0
0
4
2
2
2
8
6
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Frozen rai
Frozen rai
Light Rain
Light Rain
None
None
None
None
Frozen rai
Frozen rai
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
55
60
84
95
54
32
38
54
84
93
73
41
17
25
15
6
4
4
10
18
11
6
6

Precipitation Amount (mm)

0
0.2
0.2
0.4
0.7
0
0
0
0.2
0.4
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
15
14
13
13
13
12
12
12
10
8
7
7
7
7
8
9
11
14
14
15
16

Chance of Frost

Temperature (°C)

-0
-1
-0
0
0
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
0
-0
-0
-1

Feels Like (°C)

-6
-6
-6
-6
-6
-6
-5
-4
-4
-4
-3
-3
-2
-2
-2
-3
-3
-3
-4
-5
-5
-6
-6
-7

Dew Point (°C)

-1
-2
-2
-2
-1
-1
-1
0
0
1
2
2
2
2
1
1
1
1
-0
-0
-1
-2
-2
-2

Relative Humidity (%)

92
91
89
89
89
89
89
91
91
93
94
98
98
98
98
100
98
98
94
94
94
89
91
89

Pressure (mb)

1016
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016

Ozone (du)

339
341
342
342
343
345
348
350
349
345
346
345
346
349
355
362
373
392
401
400
400
399
404
409

Saturday 4

Waning Gibbous 90%

23:12

07:48

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:59, Set: 19:57, Transit: 13:29. Moon - Rise: 23:12, Set: 07:48. Civil Dark: 20:27 - 06:30. Nautical Dark: 21:01 - 05:55. Astro Dark: 21:38 - 05:19

Total Clouds (% Sky Obscured)

100
97
88
100
98
92
100
99
100
100
93
100
83
67
50
58
62
69
48
33
21
22
25
28

Low Clouds (% Sky Obscured)

100
72
80
96
86
81
100
95
100
100
93
100
83
67
50
54
15
3
3
3
6
9
13
20

Medium Clouds (% Sky Obscured)

32
30
24
3
1
4
19
22
7
0
0
0
0
0
0
24
46
69
48
31
17
17
19
14

High Clouds (% Sky Obscured)

0
0
3
37
0
0
0
3
4
0
0
0
0
1
1
2
2
2
1
1
0
0
0
0

ISS Passover

Visibility (miles)

6
9
6
2
5
5
2
9
4
3
3
6
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
6
15
24
23
24
19
16
12
14
13
3
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
16
17
19
21
22
23
22
23
21
20
20
19
17
16
15
13
12
12
10
10
9
8
7

Chance of Frost

Temperature (°C)

-1
-1
-0
0
1
2
3
4
4
4
4
4
3
3
2
2
1
0
-0
-1
-1
-2
-2
-2

Feels Like (°C)

-8
-7
-7
-6
-7
-5
-5
-4
-4
-4
-4
-3
-3
-4
-5
-5
-4
-4
-4
-4
-5
-5
-5
-5

Dew Point (°C)

-3
-3
-2
-1
-1
-0
0
1
0
1
1
1
1
0
-1
-1
-1
-1
-2
-2
-2
-3
-3
-3

Relative Humidity (%)

86
87
89
89
86
85
82
80
76
80
80
82
83
83
79
81
88
91
89
91
92
91
92
92

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026

Ozone (du)

412
407
401
403
400
398
392
391
389
392
391
388
380
379
374
371
372
377
379
382
386
384
379
380

Sunday 5

Waning Gibbous 83%

00:17

08:16

07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 Good
18 Bad
19 OK
20 Bad
21 OK
22 OK
23 OK
00 Bad
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:57, Set: 19:59, Transit: 13:29. Moon - Rise: 00:17, Set: 08:16. Civil Dark: 20:28 - 06:28. Nautical Dark: 21:03 - 05:53. Astro Dark: 21:39 - 05:16

Total Clouds (% Sky Obscured)

33
36
40
36
27
20
15
9
3
4
5
44
40
39
35
36
42
49
44
48
44
55
80
94

Low Clouds (% Sky Obscured)

25
34
40
36
27
20
15
9
1
2
2
2
0
39
35
36
42
2
5
7
8
7
56
65

Medium Clouds (% Sky Obscured)

6
3
0
0
0
0
0
0
0
0
0
0
0
4
35
36
42
49
44
48
44
50
80
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
3
44
40
2
16
9
6
1
4
8
14
22
37
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
2
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
10
11
12
13
15
16
17
17
17
17
15
14
14
12
12
9
8
8
8
7
7
8

Chance of Frost

Temperature (°C)

-2
-0
2
4
6
8
10
11
11
11
11
10
9
7
5
4
3
2
1
1
0
-0
-1
-1

Feels Like (°C)

-5
-3
-2
0
2
5
7
7
7
8
7
6
5
2
-1
-2
-3
-2
-3
-3
-4
-4
-4
-5

Dew Point (°C)

-3
-2
-1
-1
-0
1
3
3
2
2
2
3
4
5
3
1
-1
-2
-2
-2
-2
-2
-2
-3

Relative Humidity (%)

91
87
80
71
65
61
60
57
54
53
53
59
69
88
83
80
77
72
78
84
88
87
89
87

Pressure (mb)

1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1026
1027
1028
1029
1029
1029
1030
1030
1030
1031
1031
1032

Ozone (du)

378
379
378
375
375
373
370
368
366
366
367
367
371
373
376
376
375
373
373
373
373
372
373
374

Monday 6

Waning Gibbous 75%

01:18

08:50

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 Bad

Sun - Rise: 06:55, Set: 20:00, Transit: 13:29. Moon - Rise: 01:18, Set: 08:50. Civil Dark: 20:29 - 06:26. Nautical Dark: 21:04 - 05:51. Astro Dark: 21:41 - 05:14

Total Clouds (% Sky Obscured)

93
92
89
81
60
58
43
41
25
21
18
14
15
17
17
18
23
23
24
20
20
35
44
50

Low Clouds (% Sky Obscured)

47
9
12
10
5
0
0
0
0
0
0
0
1
2
2
3
2
0
0
0
0
2
3
3

Medium Clouds (% Sky Obscured)

93
91
88
73
60
58
43
41
21
6
3
1
1
0
0
5
13
20
20
20
20
34
44
50

High Clouds (% Sky Obscured)

35
16
8
1
1
1
1
1
0
1
1
2
9
11
9
18
23
23
24
20
20
35
44
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
12
12
13
14
15
16
16
16
16
15
15
14
12
11
11
10
10
9
8
7
7
7

Chance of Frost

Temperature (°C)

-1
-1
0
1
2
3
4
4
5
5
5
4
3
1
-0
-2
-3
-3
-4
-4
-5
-5
-5
-5

Feels Like (°C)

-6
-6
-5
-5
-3
-2
-2
-2
-0
1
1
2
2
-3
-4
-5
-5
-6
-7
-8
-8
-8
-8
-9

Dew Point (°C)

-3
-3
-4
-5
-6
-8
-10
-10
-9
-8
-8
-7
-7
-7
-7
-8
-8
-9
-9
-10
-10
-10
-10
-9

Relative Humidity (%)

86
84
74
66
55
44
36
36
36
37
40
44
49
54
59
63
64
65
66
66
66
65
67
72

Pressure (mb)

1032
1033
1033
1034
1034
1033
1033
1032
1032
1031
1032
1032
1033
1034
1034
1035
1035
1036
1036
1036
1035
1035
1035
1035

Ozone (du)

374
374
372
370
371
370
370
371
372
373
373
374
374
374
374
374
372
369
367
365
363
362
361
361

Tuesday 7

Waning Gibbous 66%

02:13

09:32

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:54, Set: 20:01, Transit: 13:28. Moon - Rise: 02:13, Set: 09:32. Civil Dark: 20:30 - 06:24. Nautical Dark: 21:05 - 05:49. Astro Dark: 21:42 - 05:12

Total Clouds (% Sky Obscured)

66
80
94
95
92
90
91
92
94
93
93
93
95
96
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
4
4
4
3
2
30
62
94
90
85
80
89
94
100
100
100
100
100
97
50
23
30
40

Medium Clouds (% Sky Obscured)

66
72
74
78
82
89
91
91
90
88
86
79
60
46
46
38
26
10
10
8
11
22
47
73

High Clouds (% Sky Obscured)

66
80
94
95
92
90
87
86
82
60
39
7
4
5
25
25
55
60
65
60
60
40
20
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
6
7
3
5
5
3
6
6
3
6
6
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
10
12
13
13
14
15
16
17
17
17
17
17
17
18
17
18
18
17
16
15
14
13

Chance of Frost

Temperature (°C)

-5
-4
-3
-2
0
2
4
4
5
6
6
6
6
5
5
4
4
3
3
2
2
2
2
2

Feels Like (°C)

-9
-9
-8
-8
-8
-8
-8
-1
-2
-2
-2
-2
-1
-1
-2
-2
-2
-2
-2
-5
-5
-5
-5
-5

Dew Point (°C)

-9
-10
-10
-11
-12
-13
-13
-13
-12
-12
-11
-10
-9
-9
-9
-8
-8
-8
-7
-7
-5
-4
-3
-2

Relative Humidity (%)

76
64
56
49
41
33
28
28
27
26
28
31
34
36
37
40
42
45
48
52
57
63
68
73

Pressure (mb)

1034
1034
1034
1033
1032
1031
1030
1028
1027
1025
1024
1024
1023
1023
1023
1023
1022
1022
1021
1021
1020
1019
1019
1018

Ozone (du)

360
357
354
351
353
355
357
356
355
353
353
353
353
351
349
347
347
348
348
349
349
349
351
353

Wednesday 8

Waning Gibbous 64%

03:00

10:23

Sun - Rise: 06:52, Set: 20:02, Transit: 13:28. Moon - Rise: 03:00, Set: 10:23. Civil Dark: 20:32 - 06:23. Nautical Dark: 21:07 - 05:47. Astro Dark: 21:44 - 05:10

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Sioux Falls, Minnehaha, United States of America (43.55,-96.73)

Generated: 02/04/26 07:08:38. Forecast: 02/04/26 to 08/04/26. Timezone: UTC-5.00