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Eureka Weather Warning NWS WEATHER ALERT FOR THE EUREKA, SD AREA - Issued: 451 PM CDT Mon Sep 7 2026 Eureka Weather Warning

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Weather for Eureka, SDEureka, SD Weather & Current Conditions

57437 Weather (Eureka, SD)

Eureka, SD WeatherCurrent Conditions and Weather for Eureka, South Dakota
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Mostly Cloudy at Eureka (57437), temperature is 74°F23°C, dew point 71°F22°C, humidity 90%. Wind direction is NW at 3 mphat 5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.77 in1008 mb. Last update: 11:34 pm.*
*Time is approximately 11:34 pm Mon, Sep 07, 2026. Time will be within 15 minutes of current local time. Eureka weather forecast data is updated every 15 minutes.

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Thought you'll change the weather. Start a little storm, make a little rain. But I'm gonna do one better. Have the sun until you pray. I'm a tornado. Looking for a soul to take... ―Little Big Town
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Eureka SD Weather - 12:34 am

Eureka Weather Forecast

Weather forecast for: Eureka SD
Last Update: 11:16 pm CDT Sep 7, 2026
Tonight: Mostly cloudy, with a low around 61. South southeast wind 11 to 14 mph becoming northwest after midnight.
Tuesday: Sunny, with a high near 80. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night: Mostly clear, with a low around 53. Breezy, with a west wind 11 to 20 mph, with gusts as high as 28 mph.
Wednesday: Sunny, with a high near 75. Breezy, with a west northwest wind 18 to 22 mph.
Wednesday Night: Mostly clear, with a low around 50. West northwest wind 5 to 10 mph becoming light and variable.
Thursday: Sunny, with a high near 85. South southwest wind 7 to 17 mph, with gusts as high as 26 mph.
Thursday Night: Mostly clear, with a low around 58. South southwest wind 8 to 13 mph.
Friday: Sunny, with a high near 81. Breezy, with a north wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon.
Friday Night: Mostly clear, with a low around 49. Breezy, with a north wind 14 to 21 mph.
Saturday: Mostly sunny, with a high near 71.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Sunday: A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Monday: A chance of showers. Partly sunny, with a high near 62. Breezy. Chance of precipitation is 30%.

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