Weather forecast for todayEureka, SD

Weather forecast for today

Current condition 3:28 am CST

  • 43°F
  • Feels like:
    37°F
Fog
Fog
  • Precipitation: 0"
  • Wind: 7mphESE 120°
  • Humidity: 93%
  • Dewpoint: 39°F
  • Pressure: 29.92"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
In Eureka, at the moment, humid conditions have led to the formation of dense fog across the area.
The temperature is a frosty 42.8°F, and the feels-like temperature is appraised at an icy 37.4°F. The current temperature is relatively far from the maximum of 53.6°F anticipated for today.

Wednesday Oct 28, 2026

  • 54°F
  • 27°F
Showers
Showers
  • Precip. probability: 62%
  • Precipitation: 0.08"
  • Wind: 11mphWSW 255°
  • Humidity: 86%
  • UV index: 2
  • Sunrise: 8:13 am CDT
  • Sunset: 6:31 pm CDT
  • ▼
Today, light showers are likely, with some brief dry spells throughout the day.
Minimal precipitation is forecasted. A substantial temperature fluctuation from a crisp 53.6°F at its peak to a harsh 26.6°F at its lowest point is anticipated.
Expect the maximum temperature to remain consistent with the typical October high of 55.9°F.
Sunrise will be at 8:13 am and sunset at 6:31 pm; the daylight will last for 10h and 18min.

Hourly overview

Hourly temperatures

Warmest hour: 5 pm 54°C.
Coldest hour: 11 pm 37°C.

Chance of precipitation

Highest chance: 5 am 62%.

Hourly weather forecast

  • 6 am
  • 43°F
  • Feels like:
    37°F
Showers
Showers
  • Precip. probability: 58%
  • Precipitation: 0.04"
  • Wind: 7mphSE 131°
  • Humidity: 95%
  • Pressure: 29.88"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 8 am
  • 39°F
  • Feels like:
    36°F
Foggy
Foggy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 5mphSE 142°
  • Humidity: 100%
  • Pressure: 29.88"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
Sunrise: 8:13 am
  • 10 am
  • 41°F
  • Feels like:
    39°F
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 0.04"
  • Wind: 5mphWSW 239°
  • Humidity: 100%
  • Pressure: 29.91"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 12 pm
  • 45°F
  • Feels like:
    41°F
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Wind: 9mphWNW 302°
  • Humidity: 96%
  • Pressure: 29.91"Hg
  • Visibility: 6mi
  • UV index: 1
  • ▼
  • 2 pm
  • 50°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphWNW 301°
  • Humidity: 79%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 54°F
  • Feels like:
    50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphWNW 294°
  • Humidity: 59%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphW 277°
  • Humidity: 63%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:31 pm
  • 8 pm
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphW 271°
  • Humidity: 73%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 39°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphWNW 298°
  • Humidity: 82%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Eureka, weather will be unstable, and a mix of showery, fog-covered, sun-filled and dull weather is forecasted.
With minimal precipitation of 0.04", rain is forecasted at 5 am, 6 am, and from 9 am to 1 pm.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 53.6°F. The warmest part of the day will be at 4 pm and 5 pm.
The highest temperature will be comparable to October's average maximum of 55.9°F. The minimum temperature will be more consistent with November's average low of 28.4°F than October's typical 41.4°F.
Updated: Oct 28, 2026 @ 09:28:52 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (3:28 am CST) is 42.8°F. Feels-like temperature is 37.4°F.

Today, expect showers at times, with periods of lighter rain during the day.

There is a high chance of rainfall in Eureka, but precipitation will be minimal.

Today, the maximum temperature will be 53.6°F, while the minimum temperature will be 26.6°F.
The maximum temperature will be in line with the average highest temperature of 55.9°F in October. The lowest temperature will be uncommonly lower than the average low of 41.4°F.

On Wednesday, in Eureka, sunrise will be at 8:13 am and sunset at 6:31 pm (CDT).

Today, the daylight will last for 10h and 18min.