Mount Union Weather Forecast 15 Days, Weather in Mount Union Today
Current weather conditions and 15 day weather forecast for Mount Union, Iowa, 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 Mount Union
| 16 December 2025 Tuesday -4.8 ° C / 23.4°F  Clear |
Feels Like : -8.7 ° C / 16.3°F Humidity : % 79 Pressure : 1016 mb Wind Speed : 9 kmph / 5.6 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mount Union, IA, USA
Weather Forecast for next 15 Days for Mount Union 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 Mount Union, Iowa 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday | Sunny |
-8.2 ° C (17.2°F) |
2.9 ° C (37.2°F) |
-2.9 ° C (26.8°F) |
% 88 | 0% | 0.4 | Sunrise:07:25 AM Sunset: 04:39 PM |
Moonrise:04:27 AM Moonset: 02:04 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Freezing fog |
-2.8 ° C (27°F) |
-1 ° C (30.2°F) |
-1.6 ° C (29.2°F) |
% 97 | 0% | 0.4 | Sunrise:07:26 AM Sunset: 04:39 PM |
Moonrise:05:30 AM Moonset: 02:36 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Moderate or heavy snow showers |
-9 ° C (15.8°F) |
3.1 ° C (37.6°F) |
-0.1 ° C (31.8°F) |
% 94 | 89% | 0.2 | Sunrise:07:26 AM Sunset: 04:40 PM |
Moonrise:06:31 AM Moonset: 03:16 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
-10.3 ° C (13.5°F) |
-3.4 ° C (25.9°F) |
-6.8 ° C (19.7°F) |
% 52 | 0% | 0.3 | Sunrise:07:27 AM Sunset: 04:40 PM |
Moonrise:07:30 AM Moonset: 04:04 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Partly Cloudy |
-2.9 ° C (26.8°F) |
5.2 ° C (41.3°F) |
0.5 ° C (33°F) |
% 57 | 0% | 0 | Sunrise:07:28 AM Sunset: 04:41 PM |
Moonrise:08:21 AM Moonset: 05:00 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Cloudy |
-4.3 ° C (24.2°F) |
2.5 ° C (36.5°F) |
-1.2 ° C (29.9°F) |
% 58 | 0% | 1 | Sunrise:07:28 AM Sunset: 04:41 PM |
Moonrise:09:05 AM Moonset: 06:02 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Patchy moderate snow |
-0.5 ° C (31.1°F) |
1.1 ° C (34.1°F) |
0.4 ° C (32.7°F) |
% 84 | 60% | 1 | Sunrise:07:29 AM Sunset: 04:42 PM |
Moonrise:09:41 AM Moonset: 07:08 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Fog |
0.8 ° C (33.5°F) |
12.4 ° C (54.3°F) |
6.3 ° C (43.3°F) |
% 89 | 0% | 2 | Sunrise:07:29 AM Sunset: 04:42 PM |
Moonrise:10:11 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Overcast |
1.3 ° C (34.4°F) |
5.7 ° C (42.3°F) |
4.2 ° C (39.5°F) |
% 87 | 0% | 1 | Sunrise:07:29 AM Sunset: 04:43 PM |
Moonrise:10:37 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
0.8 ° C (33.5°F) |
7.5 ° C (45.5°F) |
4 ° C (39.2°F) |
% 89 | 0% | 2 | Sunrise:07:30 AM Sunset: 04:43 PM |
Moonrise:11:00 AM Moonset: 10:29 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
0.1 ° C (32.2°F) |
4.7 ° C (40.4°F) |
2.6 ° C (36.7°F) |
% 64 | 0% | 2 | Sunrise:07:30 AM Sunset: 04:44 PM |
Moonrise:11:22 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-0.5 ° C (31.1°F) |
9.3 ° C (48.7°F) |
3.3 ° C (38°F) |
% 65 | 0% | 2 | Sunrise:07:30 AM Sunset: 04:45 PM |
Moonrise:11:44 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
2.2 ° C (36°F) |
10.8 ° C (51.5°F) |
5.4 ° C (41.8°F) |
% 64 | 0% | 3 | Sunrise:07:31 AM Sunset: 04:46 PM |
Moonrise:12:07 PM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
5.3 ° C (41.5°F) |
14.3 ° C (57.7°F) |
8.9 ° C (48.1°F) |
% 77 | 0% | 3 | Sunrise:07:31 AM Sunset: 04:46 PM |
Moonrise:12:34 PM Moonset: 02:01 AM Moon Phase ( Waxing Gibbous ) |
|
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