Eureka Weather Forecast 15 Days, Weather in Eureka Today
Current weather conditions and 15 day weather forecast for Eureka, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Eureka
| 05 December 2025 Friday 1.1 ° C / 34°F  Overcast |
Feels Like : -1.5 ° C / 29.2°F Humidity : % 96 Pressure : 1004 mb Wind Speed : 8.3 kmph / 5.1 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Eureka, SD, USA
Weather Forecast for next 15 Days for Eureka including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Eureka, South Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Moderate or heavy snow showers |
-18.8 ° C (-1.9°F) |
0.2 ° C (32.4°F) |
-2.4 ° C (27.7°F) |
% 90 | 69% | 0.3 | Sunrise:08:04 AM Sunset: 04:54 PM |
Moonrise:05:18 PM Moonset: 09:22 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Moderate or heavy snow showers |
-10.4 ° C (13.3°F) |
-7.8 ° C (18°F) |
-8.8 ° C (16.2°F) |
% 87 | 77% | 0.2 | Sunrise:08:05 AM Sunset: 04:54 PM |
Moonrise:06:32 PM Moonset: 10:25 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Moderate snow |
-15.7 ° C (3.7°F) |
-11.1 ° C (12°F) |
-12.8 ° C (9°F) |
% 86 | 62% | 0.2 | Sunrise:08:06 AM Sunset: 04:54 PM |
Moonrise:07:54 PM Moonset: 11:13 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Mist |
-15.7 ° C (3.7°F) |
-3.1 ° C (26.4°F) |
-10.2 ° C (13.7°F) |
% 96 | 0% | 0.3 | Sunrise:08:07 AM Sunset: 04:54 PM |
Moonrise:09:15 PM Moonset: 11:47 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Freezing fog |
-6.6 ° C (20.2°F) |
1.1 ° C (34°F) |
-1.5 ° C (29.3°F) |
% 95 | 80% | 0 | Sunrise:08:08 AM Sunset: 04:54 PM |
Moonrise:10:31 PM Moonset: 12:12 PM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Light freezing rain |
-14.1 ° C (6.7°F) |
-9.3 ° C (15.2°F) |
-9.6 ° C (14.8°F) |
% 94 | 70% | 1 | Sunrise:08:09 AM Sunset: 04:54 PM |
Moonrise:11:43 PM Moonset: 12:32 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Mist |
-15.5 ° C (4.1°F) |
-8.6 ° C (16.5°F) |
-11.7 ° C (11°F) |
% 95 | 88% | 1 | Sunrise:08:10 AM Sunset: 04:54 PM |
Moonrise:No moonrise Moonset: 12:49 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Light freezing rain |
-17.1 ° C (1.2°F) |
-12.6 ° C (9.3°F) |
-13.6 ° C (7.6°F) |
% 94 | 74% | 1 | Sunrise:08:11 AM Sunset: 04:54 PM |
Moonrise:12:52 AM Moonset: 01:05 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Moderate snow |
-12.8 ° C (8.9°F) |
-9.9 ° C (14.1°F) |
-11.3 ° C (11.6°F) |
% 93 | 65% | 1 | Sunrise:08:11 AM Sunset: 04:54 PM |
Moonrise:01:58 AM Moonset: 01:21 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Light snow |
-8.7 ° C (16.4°F) |
-3.1 ° C (26.4°F) |
-5.1 ° C (22.7°F) |
% 95 | 70% | 1 | Sunrise:08:12 AM Sunset: 04:54 PM |
Moonrise:03:03 AM Moonset: 01:38 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Partly Cloudy |
-18.3 ° C (-0.9°F) |
-9.2 ° C (15.5°F) |
-10.5 ° C (13.1°F) |
% 93 | 0% | 2 | Sunrise:08:13 AM Sunset: 04:55 PM |
Moonrise:04:09 AM Moonset: 01:57 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Mist |
-20.2 ° C (-4.4°F) |
-12.3 ° C (9.9°F) |
-15.5 ° C (4.1°F) |
% 94 | 65% | 1 | Sunrise:08:14 AM Sunset: 04:55 PM |
Moonrise:05:16 AM Moonset: 02:20 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Heavy snow |
-18.3 ° C (-0.9°F) |
-14.1 ° C (6.6°F) |
-14.9 ° C (5.2°F) |
% 94 | 71% | 1 | Sunrise:08:14 AM Sunset: 04:55 PM |
Moonrise:06:22 AM Moonset: 02:49 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Freezing fog |
-23 ° C (-9.5°F) |
-16.3 ° C (2.7°F) |
-20.1 ° C (-4.2°F) |
% 97 | 62% | 1 | Sunrise:08:15 AM Sunset: 04:56 PM |
Moonrise:07:27 AM Moonset: 03:27 PM Moon Phase ( Waning Crescent ) |
|
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