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
| 10 May 2026 Sunday 13.5 ° C / 56.3°F  Partly cloudy |
Feels Like : 12.6 ° C / 54.6°F Humidity : % 46 Pressure : 1023 mb Wind Speed : 11.9 kmph / 7.4 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 May 2026 Sunday |  Sunny |
3.2 ° C (37.8°F) |
21.6 ° C (70.9°F) |
13 ° C (55.5°F) |
% 44 | 0% | 7.1 | Sunrise:06:16 AM Sunset: 08:51 PM |
Moonrise:03:12 AM Moonset: 01:47 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Sunny |
7.5 ° C (45.5°F) |
30.7 ° C (87.3°F) |
17.8 ° C (64.1°F) |
% 43 | 0% | 7.5 | Sunrise:06:15 AM Sunset: 08:53 PM |
Moonrise:03:33 AM Moonset: 02:57 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Sunny |
13.1 ° C (55.6°F) |
24 ° C (75.2°F) |
19.5 ° C (67.2°F) |
% 37 | 0% | 0.1 | Sunrise:06:14 AM Sunset: 08:54 PM |
Moonrise:03:52 AM Moonset: 04:09 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
10.7 ° C (51.3°F) |
26.1 ° C (78.9°F) |
18.7 ° C (65.7°F) |
% 35 | 0% | 5 | Sunrise:06:13 AM Sunset: 08:55 PM |
Moonrise:04:12 AM Moonset: 05:24 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
15.3 ° C (59.5°F) |
33.2 ° C (91.8°F) |
23.9 ° C (75.1°F) |
% 41 | 0% | 6 | Sunrise:06:12 AM Sunset: 08:56 PM |
Moonrise:04:34 AM Moonset: 06:43 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
16.8 ° C (62.2°F) |
28.3 ° C (83°F) |
22.7 ° C (72.9°F) |
% 35 | 0% | 6 | Sunrise:06:11 AM Sunset: 08:57 PM |
Moonrise:05:00 AM Moonset: 08:07 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Partly Cloudy |
10.5 ° C (50.9°F) |
17 ° C (62.6°F) |
14.6 ° C (58.2°F) |
% 49 | 0% | 4 | Sunrise:06:10 AM Sunset: 08:58 PM |
Moonrise:05:32 AM Moonset: 09:32 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Partly Cloudy |
9.9 ° C (49.8°F) |
22.1 ° C (71.7°F) |
15.3 ° C (59.6°F) |
% 47 | 0% | 5 | Sunrise:06:09 AM Sunset: 08:59 PM |
Moonrise:06:15 AM Moonset: 10:52 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Patchy rain nearby |
10 ° C (50°F) |
29 ° C (84.3°F) |
17.6 ° C (63.6°F) |
% 52 | 80% | 4 | Sunrise:06:08 AM Sunset: 09:00 PM |
Moonrise:07:11 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
13.7 ° C (56.7°F) |
32.4 ° C (90.3°F) |
22.8 ° C (73.1°F) |
% 57 | 0% | 6 | Sunrise:06:07 AM Sunset: 09:01 PM |
Moonrise:08:20 AM Moonset: 12:01 AM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
18.4 ° C (65.1°F) |
25.6 ° C (78.1°F) |
22.8 ° C (73.1°F) |
% 45 | 0% | 6 | Sunrise:06:06 AM Sunset: 09:03 PM |
Moonrise:09:39 AM Moonset: 12:55 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
15.1 ° C (59.1°F) |
27.9 ° C (82.2°F) |
21.1 ° C (70°F) |
% 66 | 67% | 5 | Sunrise:06:05 AM Sunset: 09:04 PM |
Moonrise:10:59 AM Moonset: 01:35 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
15.7 ° C (60.2°F) |
20.5 ° C (68.9°F) |
18.4 ° C (65.1°F) |
% 85 | 84% | 4 | Sunrise:06:04 AM Sunset: 09:05 PM |
Moonrise:12:16 PM Moonset: 02:05 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
20.1 ° C (68.1°F) |
33.3 ° C (91.9°F) |
24.2 ° C (75.6°F) |
% 60 | 0% | 6 | Sunrise:06:03 AM Sunset: 09:06 PM |
Moonrise:01:30 PM Moonset: 02:29 AM Moon Phase ( First Quarter ) |
|
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