How is the weather in Argonne, SD?

At 2:40 PM on Sat, Sep 6, 2025 it is 65 degrees Fahrenheit, feeling like 65 degrees.

Argonne, SD Weather Forecast and Current Conditions

65°F
Feels Like 65°F

Humidity 51% Dew Point 46°F Wind N 7 MPH Gusts 12 Barometer 30.15 in.765.8 mm

Solar Rad 721 w/m2

Report from 19.6 miles SSE of central Argonne at 2:40 PM Sat, Sep 6, 2025

Current Weather

65°F
Feels Like 65°F

Humidity 51% Dew Point 46°F Wind N 7 MPH Gusts 12 Barometer 30.15 in.765.8 mm

Solar Rad 721 w/m2

Report from 19.6 miles SSE of central Argonne at 2:40 PM Sat, Sep 6, 2025

Forecast at a Glance

SatSep 6

64°

40°

SunSep 7

71°

57°

MonSep 8

10%

81°

58°

TueSep 9

10%

82°

58°

WedSep 10

82°

63°

ThuSep 11

20%

82°

65°

FriSep 12

30%

84°

64°

This Date in Weather History

1988 - Unseasonably cool weather prevailed across the north central and northeastern U.S. Thirty cities reported record low temperatures for the date, including Saint Joseph MO with a reading of 38 degrees. A low of 44 degrees at Indianapolis IN was their coolest reading of record for so early in the season. The mercury dipped to 31 degrees at Hibbing MN and Philips WI.

Argonne 7 Day Weather Forecast Details

Saturday Sep 6

Day: Sunny, with a high near 64. North northwest wind around 10 mph.

Night: Clear, with a low around 40. East northeast wind 5 to 10 mph.

Sunday Sep 7

Day: Sunny, with a high near 71. South southeast wind 5 to 10 mph.

Night: Partly cloudy, with a low around 57. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Sep 8

Day: Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.

Night: Partly cloudy, with a low around 58. South wind 5 to 10 mph.

Tuesday Sep 9

Day: Sunny, with a high near 82.

Night: Mostly clear, with a low around 58.

Wednesday Sep 10

Day: Mostly sunny, with a high near 82.

Night: Mostly cloudy, with a low around 63.

Thursday Sep 11

Day: A slight chance of showers and thunderstorms after 7am. Partly sunny, with a high near 82.

Night: A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Friday Sep 12

Day: A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.

Night: A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Sun & Moon Monthly

First Light 6:31 AM

Sunrise 7:01 AM

Sunset 7:59 PM

Last Light 8:29 PM

Moonrise 7:35 PM

Moonset 5:26 AM

Moon Phase

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