Sullivan Airport Weather Forecast 15 Days, Weather in 39LL Today
Current weather conditions and 15 day weather forecast for Sullivan Airport, 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 Sullivan Airport
| 16 December 2025 Tuesday -2.6 ° C / 27.3°F  Clear |
Feels Like : -7.3 ° C / 18.9°F Humidity : % 80 Pressure : 1015 mb Wind Speed : 13.3 kmph / 8.3 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15 day weather forecast for Sullivan Airport, IL, USA
Weather Forecast for next 15 Days for Sullivan Airport 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 Sullivan Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday | Sunny |
-4.2 ° C (24.4°F) |
12.9 ° C (55.2°F) |
1.3 ° C (34.3°F) |
% 79 | 0% | 0.4 | Sunrise:07:23 AM Sunset: 04:40 PM |
Moonrise:04:24 AM Moonset: 02:05 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Mist |
-3.1 ° C (26.4°F) |
-1 ° C (30.2°F) |
-1.8 ° C (28.8°F) |
% 97 | 0% | 0.3 | Sunrise:07:23 AM Sunset: 04:41 PM |
Moonrise:05:27 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Moderate rain |
-6.7 ° C (20°F) |
4.6 ° C (40.3°F) |
1.1 ° C (33.9°F) |
% 92 | 80% | 0.2 | Sunrise:07:24 AM Sunset: 04:41 PM |
Moonrise:06:28 AM Moonset: 03:18 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
-8.2 ° C (17.3°F) |
-0.5 ° C (31.1°F) |
-4.7 ° C (23.5°F) |
% 53 | 0% | 0.3 | Sunrise:07:25 AM Sunset: 04:42 PM |
Moonrise:07:26 AM Moonset: 04:06 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-0.9 ° C (30.5°F) |
7.9 ° C (46.1°F) |
2.2 ° C (35.9°F) |
% 58 | 0% | 0 | Sunrise:07:25 AM Sunset: 04:42 PM |
Moonrise:08:18 AM Moonset: 05:02 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Partly Cloudy |
-2.6 ° C (27.3°F) |
5.1 ° C (41.1°F) |
0.9 ° C (33.5°F) |
% 59 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:43 PM |
Moonrise:09:02 AM Moonset: 06:04 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Overcast |
-0.1 ° C (31.8°F) |
4.8 ° C (40.6°F) |
2.5 ° C (36.6°F) |
% 57 | 0% | 1 | Sunrise:07:26 AM Sunset: 04:43 PM |
Moonrise:09:39 AM Moonset: 07:09 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
4.2 ° C (39.5°F) |
11.8 ° C (53.3°F) |
6.9 ° C (44.5°F) |
% 80 | 0% | 3 | Sunrise:07:27 AM Sunset: 04:44 PM |
Moonrise:10:09 AM Moonset: 08:15 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
0.8 ° C (33.5°F) |
7.1 ° C (44.7°F) |
3.7 ° C (38.6°F) |
% 68 | 0% | 1 | Sunrise:07:27 AM Sunset: 04:44 PM |
Moonrise:10:35 AM Moonset: 09:22 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Cloudy |
8.3 ° C (46.9°F) |
22.7 ° C (72.8°F) |
16.7 ° C (62°F) |
% 84 | 0% | 4 | Sunrise:07:27 AM Sunset: 04:45 PM |
Moonrise:10:59 AM Moonset: 10:29 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Cloudy |
6.2 ° C (43.2°F) |
17.4 ° C (63.2°F) |
13.6 ° C (56.5°F) |
% 70 | 0% | 3 | Sunrise:07:28 AM Sunset: 04:46 PM |
Moonrise:11:21 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
4.9 ° C (40.8°F) |
8.4 ° C (47°F) |
6.2 ° C (43.1°F) |
% 79 | 0% | 3 | Sunrise:07:28 AM Sunset: 04:46 PM |
Moonrise:11:44 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
0.7 ° C (33.2°F) |
8.3 ° C (46.9°F) |
3.9 ° C (39°F) |
% 74 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:47 PM |
Moonrise:12:07 PM Moonset: 12:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
0.5 ° C (32.9°F) |
9.3 ° C (48.8°F) |
4.3 ° C (39.8°F) |
% 71 | 0% | 2 | Sunrise:07:29 AM Sunset: 04:48 PM |
Moonrise:12:35 PM Moonset: 01:59 AM Moon Phase ( Waxing Gibbous ) |
|
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