Current weather conditions and 15 day weather forecast for Decatur Conference Center and Hotel 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.
| 11 August 2026 Tuesday 25.2 ° C / 77.4°F ![]() Clear |
Feels Like : 27.7 ° C / 81.9°F Humidity : % 90 Pressure : 1013 mb Wind Speed : 14.8 kmph / 9.2 miles from SSW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 1 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 August 2026 Tuesday | Sunny |
21.4 ° C (70.6°F) |
33.6 ° C (92.5°F) |
27 ° C (80.6°F) |
% 77 | 37% | 7.7 | Sunrise:06:04 AM Sunset: 07:58 PM |
Moonrise:04:06 AM Moonset: 07:22 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
20.9 ° C (69.7°F) |
33 ° C (91.5°F) |
26 ° C (78.7°F) |
% 79 | 57% | 7.1 | Sunrise:06:05 AM Sunset: 07:57 PM |
Moonrise:05:28 AM Moonset: 07:57 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Partly Cloudy |
19.4 ° C (66.8°F) |
27.2 ° C (81°F) |
22.8 ° C (73°F) |
% 87 | 74% | 6.3 | Sunrise:06:06 AM Sunset: 07:55 PM |
Moonrise:06:48 AM Moonset: 08:26 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Patchy rain nearby |
19.2 ° C (66.6°F) |
27.7 ° C (81.9°F) |
23.1 ° C (73.6°F) |
% 78 | 36% | 8.1 | Sunrise:06:07 AM Sunset: 07:54 PM |
Moonrise:08:06 AM Moonset: 08:52 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
20 ° C (68.1°F) |
33.9 ° C (93.1°F) |
26.7 ° C (80.1°F) |
% 77 | 36% | 8 | Sunrise:06:08 AM Sunset: 07:53 PM |
Moonrise:09:21 AM Moonset: 09:17 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
22 ° C (71.6°F) |
32.8 ° C (91.1°F) |
28.5 ° C (83.3°F) |
% 60 | 4% | 8 | Sunrise:06:09 AM Sunset: 07:51 PM |
Moonrise:10:34 AM Moonset: 09:43 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
16 ° C (60.8°F) |
26.6 ° C (79.9°F) |
21.4 ° C (70.6°F) |
% 78 | 9% | 7 | Sunrise:06:10 AM Sunset: 07:50 PM |
Moonrise:11:45 AM Moonset: 10:10 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
17.3 ° C (63.1°F) |
29.6 ° C (85.4°F) |
23.1 ° C (73.6°F) |
% 76 | 22% | 7 | Sunrise:06:11 AM Sunset: 07:48 PM |
Moonrise:12:56 PM Moonset: 10:42 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
20.4 ° C (68.6°F) |
33.3 ° C (91.9°F) |
25.8 ° C (78.4°F) |
% 72 | 6% | 8 | Sunrise:06:11 AM Sunset: 07:47 PM |
Moonrise:02:04 PM Moonset: 11:18 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
23 ° C (73.5°F) |
37.3 ° C (99.1°F) |
29.9 ° C (85.9°F) |
% 61 | 5% | 9 | Sunrise:06:12 AM Sunset: 07:46 PM |
Moonrise:03:08 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
27.3 ° C (81.1°F) |
39.9 ° C (103.8°F) |
32.6 ° C (90.6°F) |
% 47 | 2% | 9 | Sunrise:06:13 AM Sunset: 07:44 PM |
Moonrise:04:06 PM Moonset: 12:01 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
23.2 ° C (73.8°F) |
31.9 ° C (89.4°F) |
27.6 ° C (81.6°F) |
% 74 | 57% | 8 | Sunrise:06:14 AM Sunset: 07:43 PM |
Moonrise:04:57 PM Moonset: 12:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
26.2 ° C (79.1°F) |
39.7 ° C (103.4°F) |
32.2 ° C (90°F) |
% 47 | 3% | 9 | Sunrise:06:15 AM Sunset: 07:41 PM |
Moonrise:05:39 PM Moonset: 01:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
24 ° C (75.2°F) |
38.3 ° C (100.9°F) |
29.8 ° C (85.7°F) |
% 55 | 57% | 9 | Sunrise:06:16 AM Sunset: 07:40 PM |
Moonrise:06:14 PM Moonset: 02:48 AM Moon Phase ( Waxing Gibbous ) |
|