Mast Field Weather Forecast 15 Days, Weather in IS45 Today
Current weather conditions and 15 day weather forecast for Mast Field, Illinois, 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 Mast Field
| 14 December 2025 Sunday -14.4 ° C / 6.1°F  Clear |
Feels Like : -18 ° C / -0.3°F Humidity : % 62 Pressure : 1039 mb Wind Speed : 5 kmph / 3.1 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mast Field, IL, USA
Weather Forecast for next 15 Days for Mast Field 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 Mast Field, Illinois 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday | Sunny |
-17 ° C (1.4°F) |
-10.5 ° C (13.1°F) |
-14.3 ° C (6.2°F) |
% 71 | 0% | 0.4 | Sunrise:07:19 AM Sunset: 04:40 PM |
Moonrise:02:19 AM Moonset: 01:15 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-13.8 ° C (7.2°F) |
3.9 ° C (39°F) |
-5.1 ° C (22.8°F) |
% 55 | 0% | 0.4 | Sunrise:07:20 AM Sunset: 04:40 PM |
Moonrise:03:21 AM Moonset: 01:38 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
-5.4 ° C (22.3°F) |
5.5 ° C (41.9°F) |
-0.6 ° C (30.8°F) |
% 80 | 0% | 0.4 | Sunrise:07:20 AM Sunset: 04:41 PM |
Moonrise:04:22 AM Moonset: 02:06 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Partly Cloudy |
3.2 ° C (37.8°F) |
10.7 ° C (51.2°F) |
6.5 ° C (43.6°F) |
% 91 | 0% | 0.3 | Sunrise:07:21 AM Sunset: 04:41 PM |
Moonrise:05:25 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy rain nearby |
5.5 ° C (41.9°F) |
12.8 ° C (55°F) |
10.6 ° C (51.1°F) |
% 75 | 81% | 0 | Sunrise:07:22 AM Sunset: 04:42 PM |
Moonrise:06:26 AM Moonset: 03:19 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Partly Cloudy |
1.3 ° C (34.4°F) |
7.7 ° C (45.9°F) |
4.8 ° C (40.6°F) |
% 48 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:42 PM |
Moonrise:07:24 AM Moonset: 04:07 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
1.8 ° C (35.2°F) |
16 ° C (60.8°F) |
9.3 ° C (48.8°F) |
% 85 | 78% | 2 | Sunrise:07:23 AM Sunset: 04:42 PM |
Moonrise:08:15 AM Moonset: 05:02 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-4 ° C (24.9°F) |
3 ° C (37.4°F) |
-1.1 ° C (30.1°F) |
% 57 | 0% | 2 | Sunrise:07:23 AM Sunset: 04:43 PM |
Moonrise:08:59 AM Moonset: 06:04 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-1.2 ° C (29.9°F) |
10.6 ° C (51.1°F) |
4.9 ° C (40.9°F) |
% 60 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:43 PM |
Moonrise:09:37 AM Moonset: 07:09 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-5 ° C (23°F) |
3 ° C (37.4°F) |
2 ° C (35.6°F) |
% 56 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:44 PM |
Moonrise:10:07 AM Moonset: 08:15 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Patchy moderate snow |
-5.7 ° C (21.7°F) |
-2.4 ° C (27.6°F) |
-4.1 ° C (24.6°F) |
% 44 | 60% | 1 | Sunrise:07:25 AM Sunset: 04:45 PM |
Moonrise:10:34 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Moderate or heavy freezing rain |
-3.9 ° C (25°F) |
0.6 ° C (33.1°F) |
-1.6 ° C (29.1°F) |
% 98 | 89% | 1 | Sunrise:07:25 AM Sunset: 04:45 PM |
Moonrise:10:58 AM Moonset: 10:28 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Overcast |
-13.3 ° C (8°F) |
-6.9 ° C (19.5°F) |
-8.6 ° C (16.5°F) |
% 92 | 0% | 1 | Sunrise:07:25 AM Sunset: 04:46 PM |
Moonrise:11:20 AM Moonset: 11:36 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Mist |
-16 ° C (3.2°F) |
-10.8 ° C (12.5°F) |
-13.2 ° C (8.3°F) |
% 90 | 0% | 1 | Sunrise:07:26 AM Sunset: 04:47 PM |
Moonrise:11:43 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
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