How is the weather in Fort Thompson, SD?

At 9:23 PM on Thu, Sep 4, 2025 it is clear and 62 degrees Fahrenheit, feeling like 62 degrees.

Fort Thompson, SD Weather Forecast and Current Conditions (57339)

62°F
Feels Like 62°F

Humidity 44% Dew Point 40°F Wind ESE 6 MPH Gusts 10 Barometer 29.54 in.750.3 mm

Solar Rad 5 w/m2 UV Index 0

Report from 18.3 miles SSE of central Fort Thompson at 9:23 PM Thu, Sep 4, 2025

Current Weather

62°F
Feels Like 62°F

Humidity 44% Dew Point 40°F Wind ESE 6 MPH Gusts 10 Barometer 29.54 in.750.3 mm

Solar Rad 5 w/m2 UV Index 0

Report from 18.3 miles SSE of central Fort Thompson at 9:23 PM Thu, Sep 4, 2025

Forecast at a Glance

ThuSep 4

48°

FriSep 5

10%

63°

42°

SatSep 6

66°

40°

SunSep 7

71°

53°

MonSep 8

84°

59°

TueSep 9

88°

61°

WedSep 10

10%

87°

63°

This Date in Weather History

1987 - Thunderstorms developing along a stationary front produced heavy rain across the Southern Atlantic Coast States. Up to eight inches was reported north of Charleston SC. Serious flooding was reported in Monks Corner SC. Seven cities in the northeastern U.S. reported record low temperatures for the date. Houlton ME dipped to 32 degrees.

Fort Thompson 7 Day Weather Forecast Details

Thursday Sep 4

Night: Mostly clear, with a low around 48. Northwest wind 15 to 25 mph, with gusts as high as 41 mph.

Friday Sep 5

Day: Mostly sunny, with a high near 63. Northwest wind 14 to 20 mph, with gusts as high as 29 mph.

Night: Mostly clear, with a low around 42. Northwest wind 5 to 17 mph, with gusts as high as 25 mph.

Saturday Sep 6

Day: Sunny, with a high near 66. Northwest wind 6 to 12 mph.

Night: Mostly clear, with a low around 40. East northeast wind 3 to 12 mph.

Sunday Sep 7

Day: Sunny, with a high near 71. Southeast wind 3 to 12 mph.

Night: Partly cloudy, with a low around 53. Southeast wind around 13 mph, with gusts as high as 21 mph.

Monday Sep 8

Day: Mostly sunny, with a high near 84. South southeast wind around 14 mph.

Night: Partly cloudy, with a low around 59. South southeast wind 7 to 12 mph.

Tuesday Sep 9

Day: Sunny, with a high near 88.

Night: Partly cloudy, with a low around 61.

Wednesday Sep 10

Day: Mostly sunny, with a high near 87.

Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

Thursday Sep 11

Day: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

Sun & Moon Monthly

First Light 6:36 AM

Sunrise 7:06 AM

Sunset 8:10 PM

Last Light 8:39 PM

Moonrise 6:52 PM

Moonset 3:06 AM

Moon Phase

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