Current weather conditions and 15 day weather forecast for OSF St Luke Medical Center Heliport, 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.
| 14 December 2025 Sunday -17.7 ° C / 0.1°F ![]() Sunny |
Feels Like : -26.2 ° C / -15.1°F Humidity : % 59 Pressure : 1039 mb Wind Speed : 14.8 kmph / 9.2 miles from NNW ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday | Sunny |
-21.3 ° C (-6.3°F) |
-12.5 ° C (9.5°F) |
-17.3 ° C (0.9°F) |
% 74 | 0% | 0.4 | Sunrise:07:18 AM Sunset: 04:31 PM |
Moonrise:02:16 AM Moonset: 01:07 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-15.8 ° C (3.6°F) |
-0.6 ° C (30.9°F) |
-8.8 ° C (16.1°F) |
% 79 | 0% | 0.4 | Sunrise:07:19 AM Sunset: 04:31 PM |
Moonrise:03:18 AM Moonset: 01:30 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Partly Cloudy |
-10.1 ° C (13.8°F) |
2.2 ° C (36°F) |
-4.8 ° C (23.4°F) |
% 91 | 0% | 0.4 | Sunrise:07:19 AM Sunset: 04:32 PM |
Moonrise:04:21 AM Moonset: 01:56 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Cloudy |
-1.9 ° C (28.6°F) |
5 ° C (41°F) |
2.2 ° C (36°F) |
% 91 | 0% | 0.3 | Sunrise:07:20 AM Sunset: 04:32 PM |
Moonrise:05:24 AM Moonset: 02:28 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
3.3 ° C (37.9°F) |
11.6 ° C (52.9°F) |
7.8 ° C (46°F) |
% 77 | 64% | 0 | Sunrise:07:21 AM Sunset: 04:32 PM |
Moonrise:06:26 AM Moonset: 03:08 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Partly Cloudy |
-3.2 ° C (26.2°F) |
1.9 ° C (35.4°F) |
0.1 ° C (32.2°F) |
% 46 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:33 PM |
Moonrise:07:24 AM Moonset: 03:56 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
-0.4 ° C (31.2°F) |
11.5 ° C (52.8°F) |
5.9 ° C (42.7°F) |
% 84 | 87% | 2 | Sunrise:07:22 AM Sunset: 04:33 PM |
Moonrise:08:15 AM Moonset: 04:52 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-6.1 ° C (21°F) |
-1.2 ° C (29.8°F) |
-3.9 ° C (24.9°F) |
% 50 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:34 PM |
Moonrise:08:59 AM Moonset: 05:54 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-3.3 ° C (26°F) |
6.5 ° C (43.7°F) |
2 ° C (35.6°F) |
% 56 | 0% | 2 | Sunrise:07:23 AM Sunset: 04:34 PM |
Moonrise:09:36 AM Moonset: 07:00 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Overcast |
-7.6 ° C (18.4°F) |
0.3 ° C (32.5°F) |
-1.2 ° C (29.9°F) |
% 59 | 0% | 1 | Sunrise:07:23 AM Sunset: 04:35 PM |
Moonrise:10:05 AM Moonset: 08:07 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Moderate snow |
-9 ° C (15.7°F) |
-5.2 ° C (22.6°F) |
-7.2 ° C (19°F) |
% 44 | 75% | 1 | Sunrise:07:24 AM Sunset: 04:35 PM |
Moonrise:10:31 AM Moonset: 09:15 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Heavy snow |
-5.4 ° C (22.2°F) |
-3.6 ° C (25.5°F) |
-4.3 ° C (24.2°F) |
% 96 | 62% | 1 | Sunrise:07:24 AM Sunset: 04:36 PM |
Moonrise:10:54 AM Moonset: 10:22 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Light freezing rain |
-14 ° C (6.7°F) |
-6.4 ° C (20.5°F) |
-9 ° C (15.8°F) |
% 93 | 76% | 1 | Sunrise:07:24 AM Sunset: 04:37 PM |
Moonrise:11:15 AM Moonset: 11:31 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Moderate snow |
-16.8 ° C (1.8°F) |
-12.1 ° C (10.2°F) |
-14.1 ° C (6.7°F) |
% 92 | 68% | 1 | Sunrise:07:25 AM Sunset: 04:37 PM |
Moonrise:11:37 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|