10-day forecast for Eureka, SD: 25° to 62°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
62°
Best day: Sunday, November 1
57° · 0.44 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2750° / 25°0.02
Morning35°feels 29°
Afternoon43°feels 36°
Evening42°feels 38°
Overnight29°feels 21°
50 °
Eureka, Tuesday, 27 October
Light snow. High 50°, low 25°.
Pressure30.03 inHg
Wind11.3 mph SE
Humidity88%
Visibility6.2 mi
Dew point36°
Wed, 2857° / 37°0.44
Morning40°feels 36°
Afternoon53°feels 52°
Evening45°feels 42°
Overnight38°feels 38°
57 °
Eureka, Wednesday, 28 October
Heavy rain. High 57°, low 37°.
Pressure29.94 inHg
Wind3.1 mph S
Humidity93%
Visibility3.1 mi
Dew point46°
Thu, 2955° / 34°0
Morning36°feels 31°
Afternoon53°feels 51°
Evening45°feels 42°
Overnight38°feels 34°
55 °
Eureka, Thursday, 29 October
Overcast. High 55°, low 34°.
Pressure30.15 inHg
Wind10 mph SE
Humidity66%
Visibility6.2 mi
Dew point37°
Fri, 3051° / 41°0.03
Morning44°feels 39°
Afternoon51°feels 48°
Evening48°feels 43°
Overnight41°feels 41°
51 °
Eureka, Friday, 30 October
Light rain. High 51°, low 41°.
Pressure30.09 inHg
Wind15.8 mph E
Humidity68%
Visibility—
Dew point40°
Sat, 3158° / 45°0.28
Morning48°feels 44°
Afternoon52°feels 50°
Evening49°feels 45°
Overnight46°feels 42°
58 °
Eureka, Saturday, 31 October
Rain. High 58°, low 45°.
Pressure30.03 inHg
Wind13.4 mph E
Humidity82%
Visibility—
Dew point46°
Sun, 0162° / 44°0
Morning50°feels 47°
Afternoon55°feels 54°
Evening54°feels 53°
Overnight53°feels 51°
62 °
Eureka, Sunday, 1 November
Overcast. High 62°, low 44°.
Pressure29.94 inHg
Wind13.3 mph SE
Humidity77%
Visibility—
Dew point47°
Mon, 0256° / 44°0.01
Morning52°feels 51°
Afternoon55°feels 53°
Evening47°feels 43°
Overnight45°feels 42°
56 °
Eureka, Monday, 2 November
Light rain. High 56°, low 44°.
Pressure29.85 inHg
Wind15.4 mph NW
Humidity80%
Visibility—
Dew point49°
Tue, 0356° / 38°0
Morning42°feels 38°
Afternoon52°feels 49°
Evening47°feels 44°
Overnight42°feels 38°
56 °
Eureka, Tuesday, 3 November
Clear. High 56°, low 38°.
Pressure30.12 inHg
Wind7.7 mph E
Humidity37%
Visibility—
Dew point25°
Wed, 0451° / 38°0
Morning42°feels 36°
Afternoon50°feels 46°
Evening48°feels 43°
Overnight45°feels 39°
51 °
Eureka, Wednesday, 4 November
Overcast. High 51°, low 38°.
Pressure30.33 inHg
Wind14.9 mph SE
Humidity43%
Visibility—
Dew point27°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Eureka, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.