Little Sister Seaplane Base Weather Forecast 15 Days, Weather in 8IL9 Today
Current weather conditions and 15 day weather forecast for Little Sister Seaplane Base, 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 Little Sister Seaplane Base
| 19 December 2025 Friday -1.7 ° C / 28.9°F  Overcast |
Feels Like : -8.8 ° C / 16.1°F Humidity : % 70 Pressure : 1001 mb Wind Speed : 31.3 kmph / 19.5 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 100 |
15 day weather forecast for Little Sister Seaplane Base, IL, USA
Weather Forecast for next 15 Days for Little Sister Seaplane Base 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 Little Sister Seaplane Base, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Moderate rain |
-6.1 ° C (21°F) |
12.8 ° C (55°F) |
5.3 ° C (41.6°F) |
% 86 | 88% | 0.1 | Sunrise:07:18 AM Sunset: 04:30 PM |
Moonrise:06:22 AM Moonset: 03:06 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Partly Cloudy |
-11.7 ° C (10.9°F) |
-3 ° C (26.6°F) |
-7.5 ° C (18.5°F) |
% 68 | 0% | 0.3 | Sunrise:07:18 AM Sunset: 04:31 PM |
Moonrise:07:21 AM Moonset: 03:54 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Overcast |
-5.5 ° C (22.2°F) |
4 ° C (39.2°F) |
-1.4 ° C (29.5°F) |
% 83 | 0% | 0.2 | Sunrise:07:19 AM Sunset: 04:31 PM |
Moonrise:08:12 AM Moonset: 04:50 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Overcast |
-5.1 ° C (22.8°F) |
0.7 ° C (33.3°F) |
-3.1 ° C (26.4°F) |
% 81 | 0% | 0.3 | Sunrise:07:19 AM Sunset: 04:32 PM |
Moonrise:08:56 AM Moonset: 05:52 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Light freezing rain |
-4 ° C (24.7°F) |
0.2 ° C (32.4°F) |
-1.4 ° C (29.6°F) |
% 55 | 75% | 0.1 | Sunrise:07:20 AM Sunset: 04:32 PM |
Moonrise:09:33 AM Moonset: 06:58 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-0.7 ° C (30.7°F) |
4.9 ° C (40.9°F) |
0.6 ° C (33.1°F) |
% 86 | 0% | 0 | Sunrise:07:20 AM Sunset: 04:33 PM |
Moonrise:10:03 AM Moonset: 08:05 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Patchy rain nearby |
-1.1 ° C (30°F) |
3.5 ° C (38.2°F) |
1.6 ° C (34.9°F) |
% 91 | 0% | 1 | Sunrise:07:21 AM Sunset: 04:34 PM |
Moonrise:10:28 AM Moonset: 09:12 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
5.4 ° C (41.7°F) |
18.2 ° C (64.7°F) |
13.5 ° C (56.3°F) |
% 88 | 83% | 3 | Sunrise:07:21 AM Sunset: 04:34 PM |
Moonrise:10:51 AM Moonset: 10:19 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Sunny |
5.6 ° C (42°F) |
9.9 ° C (49.8°F) |
7.6 ° C (45.6°F) |
% 74 | 0% | 3 | Sunrise:07:22 AM Sunset: 04:35 PM |
Moonrise:11:13 AM Moonset: 11:28 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
5.5 ° C (41.8°F) |
14.5 ° C (58.1°F) |
9.9 ° C (49.8°F) |
% 85 | 0% | 3 | Sunrise:07:22 AM Sunset: 04:36 PM |
Moonrise:11:35 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Fog |
7.3 ° C (45.2°F) |
13.4 ° C (56.2°F) |
11.5 ° C (52.7°F) |
% 90 | 0% | 3 | Sunrise:07:22 AM Sunset: 04:36 PM |
Moonrise:11:58 AM Moonset: 12:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
0.8 ° C (33.4°F) |
7 ° C (44.5°F) |
4.2 ° C (39.5°F) |
% 69 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:37 PM |
Moonrise:12:25 PM Moonset: 01:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-1.4 ° C (29.5°F) |
6.3 ° C (43.3°F) |
1.9 ° C (35.4°F) |
% 64 | 0% | 2 | Sunrise:07:23 AM Sunset: 04:38 PM |
Moonrise:12:58 PM Moonset: 03:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Fog |
1.6 ° C (35°F) |
8.9 ° C (47.9°F) |
6.1 ° C (43°F) |
% 87 | 0% | 2 | Sunrise:07:23 AM Sunset: 04:39 PM |
Moonrise:01:40 PM Moonset: 04:29 AM Moon Phase ( Waxing Gibbous ) |
|
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