Current weather conditions and 15 day weather forecast for Belle Fourche, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 21 August 2026 Friday 33.9 ° C / 93°F ![]() Sunny |
Feels Like : 30 ° C / 86°F Humidity : % 16 Pressure : 1011 mb Wind Speed : 14.4 kmph / 8.9 miles from NNE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Sunny |
15.6 ° C (60.1°F) |
34.4 ° C (93.9°F) |
25.5 ° C (77.8°F) |
% 29 | 0% | 7.5 | Sunrise:06:03 AM Sunset: 07:53 PM |
Moonrise:03:31 PM Moonset: 11:41 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Overcast |
20.5 ° C (69°F) |
34.6 ° C (94.2°F) |
27.1 ° C (80.8°F) |
% 30 | 4% | 8.2 | Sunrise:06:05 AM Sunset: 07:52 PM |
Moonrise:04:30 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Overcast |
18.1 ° C (64.6°F) |
33 ° C (91.3°F) |
25.4 ° C (77.6°F) |
% 40 | 36% | 7.6 | Sunrise:06:06 AM Sunset: 07:50 PM |
Moonrise:05:20 PM Moonset: 12:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
20.3 ° C (68.6°F) |
37.2 ° C (98.9°F) |
28.4 ° C (83.1°F) |
% 45 | 36% | 8.3 | Sunrise:06:07 AM Sunset: 07:48 PM |
Moonrise:05:59 PM Moonset: 01:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
18.5 ° C (65.2°F) |
34.6 ° C (94.2°F) |
26.6 ° C (79.8°F) |
% 34 | 17% | 8 | Sunrise:06:08 AM Sunset: 07:46 PM |
Moonrise:06:31 PM Moonset: 02:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Patchy rain nearby |
18 ° C (64.4°F) |
32 ° C (89.5°F) |
24.9 ° C (76.9°F) |
% 31 | 17% | 8 | Sunrise:06:09 AM Sunset: 07:45 PM |
Moonrise:06:56 PM Moonset: 03:36 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Sunny |
17 ° C (62.6°F) |
32.6 ° C (90.6°F) |
24.6 ° C (76.3°F) |
% 33 | 1% | 8 | Sunrise:06:10 AM Sunset: 07:43 PM |
Moonrise:07:17 PM Moonset: 04:42 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
19.5 ° C (67.1°F) |
39.5 ° C (103.2°F) |
28.1 ° C (82.6°F) |
% 35 | 2% | 9 | Sunrise:06:12 AM Sunset: 07:41 PM |
Moonrise:07:35 PM Moonset: 05:47 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
19.6 ° C (67.2°F) |
36 ° C (96.7°F) |
25.9 ° C (78.6°F) |
% 50 | 59% | 9 | Sunrise:06:13 AM Sunset: 07:39 PM |
Moonrise:07:52 PM Moonset: 06:52 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Sunny |
20.5 ° C (68.9°F) |
35.7 ° C (96.2°F) |
27.6 ° C (81.6°F) |
% 31 | 57% | 9 | Sunrise:06:14 AM Sunset: 07:38 PM |
Moonrise:08:09 PM Moonset: 07:56 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Overcast |
20 ° C (68°F) |
37.7 ° C (99.9°F) |
28.8 ° C (83.8°F) |
% 22 | 5% | 9 | Sunrise:06:15 AM Sunset: 07:36 PM |
Moonrise:08:26 PM Moonset: 09:01 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Sunny |
19.4 ° C (66.9°F) |
30.1 ° C (86.2°F) |
26.7 ° C (80.1°F) |
% 26 | 2% | 8 | Sunrise:06:16 AM Sunset: 07:34 PM |
Moonrise:08:45 PM Moonset: 10:08 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Sunny |
13.5 ° C (56.3°F) |
28.7 ° C (83.6°F) |
21 ° C (69.9°F) |
% 47 | 57% | 7 | Sunrise:06:18 AM Sunset: 07:32 PM |
Moonrise:09:08 PM Moonset: 11:18 AM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Patchy rain nearby |
17.3 ° C (63.1°F) |
19.9 ° C (67.8°F) |
18.5 ° C (65.3°F) |
% 86 | 64% | 5 | Sunrise:06:19 AM Sunset: 07:31 PM |
Moonrise:09:37 PM Moonset: 12:30 PM Moon Phase ( Last Quarter ) |
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