Fort Thompson Weather Forecast 15 Days, Weather in Fort Thompson Today
Current weather conditions and 15 day weather forecast for Fort Thompson, 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.
Current weather conditions at Fort Thompson
| 17 December 2025 Wednesday -0.3 ° C / 31.5°F  Clear |
Feels Like : -3.8 ° C / 25.2°F Humidity : % 99 Pressure : 1012 mb Wind Speed : 10.4 kmph / 6.5 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Fort Thompson, SD, USA
Weather Forecast for next 15 Days for Fort Thompson including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Fort Thompson, South Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday |  Patchy rain nearby |
-1.4 ° C (29.5°F) |
12 ° C (53.6°F) |
3.8 ° C (38.8°F) |
% 69 | 81% | 0.2 | Sunrise:08:07 AM Sunset: 05:00 PM |
Moonrise:06:14 AM Moonset: 02:56 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Overcast |
-8.3 ° C (17.1°F) |
0.6 ° C (33.1°F) |
-3.5 ° C (25.7°F) |
% 66 | 0% | 0.2 | Sunrise:08:07 AM Sunset: 05:01 PM |
Moonrise:07:18 AM Moonset: 03:34 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Partly Cloudy |
-9.3 ° C (15.3°F) |
1.8 ° C (35.2°F) |
-4.5 ° C (23.9°F) |
% 69 | 0% | 0.2 | Sunrise:08:08 AM Sunset: 05:01 PM |
Moonrise:08:16 AM Moonset: 04:21 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-1.8 ° C (28.8°F) |
5.2 ° C (41.3°F) |
1.4 ° C (34.6°F) |
% 65 | 0% | 0.2 | Sunrise:08:09 AM Sunset: 05:02 PM |
Moonrise:09:07 AM Moonset: 05:18 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-5.7 ° C (21.8°F) |
1.9 ° C (35.5°F) |
-2.4 ° C (27.7°F) |
% 71 | 0% | 0 | Sunrise:08:09 AM Sunset: 05:02 PM |
Moonrise:09:50 AM Moonset: 06:21 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-0.5 ° C (31.1°F) |
11.4 ° C (52.5°F) |
4.7 ° C (40.4°F) |
% 63 | 0% | 2 | Sunrise:08:10 AM Sunset: 05:03 PM |
Moonrise:10:24 AM Moonset: 07:30 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
2 ° C (35.6°F) |
10.2 ° C (50.4°F) |
6.3 ° C (43.3°F) |
% 69 | 0% | 3 | Sunrise:08:10 AM Sunset: 05:03 PM |
Moonrise:10:52 AM Moonset: 08:39 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
0.3 ° C (32.5°F) |
13.5 ° C (56.3°F) |
5.1 ° C (41.2°F) |
% 71 | 0% | 3 | Sunrise:08:10 AM Sunset: 05:04 PM |
Moonrise:11:15 AM Moonset: 09:49 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
0.6 ° C (33.2°F) |
4.6 ° C (40.2°F) |
2.5 ° C (36.4°F) |
% 81 | 0% | 2 | Sunrise:08:11 AM Sunset: 05:04 PM |
Moonrise:11:36 AM Moonset: 10:59 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
0.3 ° C (32.6°F) |
6 ° C (42.7°F) |
2.6 ° C (36.8°F) |
% 76 | 79% | 1 | Sunrise:08:11 AM Sunset: 05:05 PM |
Moonrise:11:54 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
1 ° C (33.7°F) |
5.3 ° C (41.5°F) |
2.9 ° C (37.2°F) |
% 74 | 0% | 2 | Sunrise:08:11 AM Sunset: 05:06 PM |
Moonrise:12:13 PM Moonset: 12:10 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Overcast |
0.3 ° C (32.6°F) |
6.4 ° C (43.5°F) |
3 ° C (37.5°F) |
% 76 | 0% | 1 | Sunrise:08:12 AM Sunset: 05:07 PM |
Moonrise:12:34 PM Moonset: 01:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
0.5 ° C (32.8°F) |
6.5 ° C (43.7°F) |
2.9 ° C (37.2°F) |
% 76 | 0% | 2 | Sunrise:08:12 AM Sunset: 05:07 PM |
Moonrise:12:59 PM Moonset: 02:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
0 ° C (32.1°F) |
11.7 ° C (53.1°F) |
4.6 ° C (40.3°F) |
% 74 | 0% | 2 | Sunrise:08:12 AM Sunset: 05:08 PM |
Moonrise:01:29 PM Moonset: 04:01 AM Moon Phase ( Waxing Gibbous ) |
|
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