Current weather conditions and 15 day weather forecast for Swan, 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.
| 22 December 2025 Monday -0.7 ° C / 30.7°F ![]() Clear |
Feels Like : -5.4 ° C / 22.3°F Humidity : % 77 Pressure : 1028 mb Wind Speed : 15.5 kmph / 9.6 miles from SSE ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Overcast |
-1.1 ° C (30°F) |
2.2 ° C (36°F) |
0.7 ° C (33.3°F) |
% 82 | 0% | 0.2 | Sunrise:07:23 AM Sunset: 04:38 PM |
Moonrise:09:36 AM Moonset: 07:04 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Fog |
-1 ° C (30.2°F) |
1.1 ° C (33.9°F) |
0.7 ° C (33.3°F) |
% 98 | 0% | 0.4 | Sunrise:07:23 AM Sunset: 04:39 PM |
Moonrise:10:06 AM Moonset: 08:11 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
-1 ° C (30.3°F) |
3.9 ° C (39°F) |
3 ° C (37.3°F) |
% 98 | 0% | 0.1 | Sunrise:07:24 AM Sunset: 04:39 PM |
Moonrise:10:32 AM Moonset: 09:18 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
11.5 ° C (52.7°F) |
19.4 ° C (66.9°F) |
15.6 ° C (60°F) |
% 87 | 87% | 0.3 | Sunrise:07:24 AM Sunset: 04:40 PM |
Moonrise:10:55 AM Moonset: 10:24 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Overcast |
3 ° C (37.3°F) |
7.7 ° C (45.8°F) |
6.9 ° C (44.5°F) |
% 71 | 0% | 0 | Sunrise:07:25 AM Sunset: 04:41 PM |
Moonrise:11:17 AM Moonset: 11:33 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
1.6 ° C (34.8°F) |
9.9 ° C (49.7°F) |
5.2 ° C (41.4°F) |
% 77 | 0% | 3 | Sunrise:07:25 AM Sunset: 04:41 PM |
Moonrise:11:39 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-3 ° C (26.5°F) |
1.3 ° C (34.3°F) |
0.7 ° C (33.3°F) |
% 50 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:42 PM |
Moonrise:12:03 PM Moonset: 12:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-4.8 ° C (23.3°F) |
1.9 ° C (35.3°F) |
-2.3 ° C (27.8°F) |
% 43 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:43 PM |
Moonrise:12:30 PM Moonset: 01:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
-2 ° C (28.3°F) |
10 ° C (50°F) |
3.5 ° C (38.2°F) |
% 53 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:44 PM |
Moonrise:01:04 PM Moonset: 03:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-2 ° C (28.4°F) |
7.5 ° C (45.5°F) |
2.4 ° C (36.3°F) |
% 75 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:44 PM |
Moonrise:01:46 PM Moonset: 04:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
7.3 ° C (45.1°F) |
14.9 ° C (58.8°F) |
10.9 ° C (51.6°F) |
% 76 | 0% | 4 | Sunrise:07:26 AM Sunset: 04:45 PM |
Moonrise:02:41 PM Moonset: 05:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
-1.5 ° C (29.3°F) |
17 ° C (62.6°F) |
6.7 ° C (44°F) |
% 70 | 83% | 2 | Sunrise:07:26 AM Sunset: 04:46 PM |
Moonrise:03:49 PM Moonset: 07:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-4.5 ° C (23.9°F) |
3.3 ° C (37.9°F) |
-1.4 ° C (29.5°F) |
% 56 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:47 PM |
Moonrise:05:05 PM Moonset: 08:00 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Patchy rain nearby |
-1 ° C (30.2°F) |
4.7 ° C (40.5°F) |
2.1 ° C (35.8°F) |
% 53 | 78% | 1 | Sunrise:07:26 AM Sunset: 04:48 PM |
Moonrise:06:23 PM Moonset: 08:45 AM Moon Phase ( Waning Gibbous ) |
|