Current weather conditions and 15 day weather forecast for Alton Memorial Hospital 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.
| 15 May 2026 Friday 15.3 ° C / 59.5°F ![]() Overcast |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 59 Pressure : 1014 mb Wind Speed : 24.8 kmph / 15.4 miles from SSE ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday | Patchy rain nearby |
14 ° C (57.2°F) |
30.7 ° C (87.3°F) |
20.9 ° C (69.6°F) |
% 57 | 89% | 8 | Sunrise:05:48 AM Sunset: 08:07 PM |
Moonrise:04:34 AM Moonset: 07:13 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
18.7 ° C (65.7°F) |
26.4 ° C (79.4°F) |
22.6 ° C (72.6°F) |
% 78 | 80% | 2.5 | Sunrise:05:47 AM Sunset: 08:08 PM |
Moonrise:05:11 AM Moonset: 08:33 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
18.9 ° C (66°F) |
29.7 ° C (85.5°F) |
23.8 ° C (74.9°F) |
% 67 | 0% | 8.9 | Sunrise:05:47 AM Sunset: 08:08 PM |
Moonrise:05:58 AM Moonset: 09:51 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
19.8 ° C (67.7°F) |
30.6 ° C (87.1°F) |
25.1 ° C (77.2°F) |
% 70 | 88% | 7.6 | Sunrise:05:46 AM Sunset: 08:09 PM |
Moonrise:06:56 AM Moonset: 11:00 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
14.8 ° C (58.6°F) |
23.9 ° C (74.9°F) |
20.3 ° C (68.5°F) |
% 80 | 81% | 0.2 | Sunrise:05:45 AM Sunset: 08:10 PM |
Moonrise:08:04 AM Moonset: 11:57 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
13.6 ° C (56.5°F) |
19.3 ° C (66.7°F) |
16.7 ° C (62°F) |
% 78 | 80% | 4 | Sunrise:05:44 AM Sunset: 08:11 PM |
Moonrise:09:20 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Moderate rain |
16.5 ° C (61.8°F) |
20.6 ° C (69.1°F) |
18.7 ° C (65.6°F) |
% 90 | 89% | 4 | Sunrise:05:43 AM Sunset: 08:12 PM |
Moonrise:10:35 AM Moonset: 12:41 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Partly Cloudy |
12.1 ° C (53.8°F) |
19 ° C (66.3°F) |
14.9 ° C (58.9°F) |
% 76 | 0% | 4 | Sunrise:05:43 AM Sunset: 08:13 PM |
Moonrise:11:49 AM Moonset: 01:16 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
11 ° C (51.8°F) |
21.7 ° C (71.1°F) |
16.1 ° C (60.9°F) |
% 70 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:14 PM |
Moonrise:12:57 PM Moonset: 01:44 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Partly Cloudy |
9.4 ° C (48.9°F) |
20.5 ° C (69°F) |
15.1 ° C (59.2°F) |
% 68 | 0% | 5 | Sunrise:05:41 AM Sunset: 08:14 PM |
Moonrise:02:02 PM Moonset: 02:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Moderate rain |
13.7 ° C (56.7°F) |
25.7 ° C (78.2°F) |
19.9 ° C (67.7°F) |
% 78 | 89% | 4 | Sunrise:05:41 AM Sunset: 08:15 PM |
Moonrise:03:05 PM Moonset: 02:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Moderate rain |
18.8 ° C (65.8°F) |
29.2 ° C (84.6°F) |
23.6 ° C (74.5°F) |
% 84 | 89% | 5 | Sunrise:05:40 AM Sunset: 08:16 PM |
Moonrise:04:07 PM Moonset: 02:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
22.6 ° C (72.6°F) |
32.7 ° C (90.9°F) |
27.1 ° C (80.8°F) |
% 73 | 0% | 7 | Sunrise:05:40 AM Sunset: 08:17 PM |
Moonrise:05:09 PM Moonset: 03:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
21.4 ° C (70.5°F) |
30.6 ° C (87°F) |
26.3 ° C (79.4°F) |
% 75 | 84% | 6 | Sunrise:05:39 AM Sunset: 08:18 PM |
Moonrise:06:11 PM Moonset: 03:40 AM Moon Phase ( Waxing Gibbous ) |
|