Mount Pleasant Weather Forecast 15 Days, Weather in Mount Pleasant Today
Current weather conditions and 15 day weather forecast for Mount Pleasant, 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 Mount Pleasant
| 11 August 2026 Tuesday 22.9 ° C / 73.2°F  Clear |
Feels Like : 25.8 ° C / 78.4°F Humidity : % 92 Pressure : 1012 mb Wind Speed : 8.6 kmph / 5.4 miles from SE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 3 |
15 day weather forecast for Mount Pleasant, IL, USA
Weather Forecast for next 15 Days for Mount Pleasant 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 Mount Pleasant, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 August 2026 Tuesday | Sunny |
21.8 ° C (71.2°F) |
27.6 ° C (81.7°F) |
24.2 ° C (75.6°F) |
% 89 | 16% | 7 | Sunrise:06:03 AM Sunset: 08:05 PM |
Moonrise:04:02 AM Moonset: 07:31 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday |  Patchy rain nearby |
20.3 ° C (68.6°F) |
26.2 ° C (79.2°F) |
22.5 ° C (72.5°F) |
% 92 | 87% | 6.9 | Sunrise:06:04 AM Sunset: 08:04 PM |
Moonrise:05:26 AM Moonset: 08:04 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday |  Mist |
17.6 ° C (63.8°F) |
25.1 ° C (77.2°F) |
20.9 ° C (69.6°F) |
% 88 | 17% | 3.8 | Sunrise:06:05 AM Sunset: 08:02 PM |
Moonrise:06:49 AM Moonset: 08:32 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday |  Partly Cloudy |
17.5 ° C (63.5°F) |
24.7 ° C (76.4°F) |
20.6 ° C (69.1°F) |
% 86 | 51% | 7.6 | Sunrise:06:06 AM Sunset: 08:01 PM |
Moonrise:08:08 AM Moonset: 08:56 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
16.3 ° C (61.4°F) |
30 ° C (86.1°F) |
23.6 ° C (74.4°F) |
% 83 | 74% | 8 | Sunrise:06:07 AM Sunset: 08:00 PM |
Moonrise:09:25 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
20.4 ° C (68.7°F) |
29.5 ° C (85.1°F) |
24.5 ° C (76.1°F) |
% 70 | 8% | 7 | Sunrise:06:08 AM Sunset: 07:58 PM |
Moonrise:10:40 AM Moonset: 09:43 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
16.6 ° C (61.8°F) |
23.4 ° C (74.1°F) |
20.5 ° C (69°F) |
% 76 | 10% | 6 | Sunrise:06:10 AM Sunset: 07:57 PM |
Moonrise:11:53 AM Moonset: 10:09 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
16 ° C (60.8°F) |
28.8 ° C (83.8°F) |
21.9 ° C (71.4°F) |
% 82 | 10% | 7 | Sunrise:06:11 AM Sunset: 07:55 PM |
Moonrise:01:05 PM Moonset: 10:39 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
19.8 ° C (67.7°F) |
31.4 ° C (88.6°F) |
25.1 ° C (77.2°F) |
% 77 | 8% | 8 | Sunrise:06:12 AM Sunset: 07:54 PM |
Moonrise:02:14 PM Moonset: 11:14 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
20.8 ° C (69.5°F) |
36.2 ° C (97.2°F) |
27.8 ° C (82.1°F) |
% 70 | 58% | 9 | Sunrise:06:13 AM Sunset: 07:52 PM |
Moonrise:03:20 PM Moonset: 11:56 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
23.5 ° C (74.3°F) |
29.8 ° C (85.6°F) |
27.1 ° C (80.8°F) |
% 70 | 8% | 7 | Sunrise:06:14 AM Sunset: 07:51 PM |
Moonrise:04:18 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Partly Cloudy |
20.4 ° C (68.8°F) |
27.6 ° C (81.7°F) |
24.2 ° C (75.5°F) |
% 85 | 67% | 7 | Sunrise:06:15 AM Sunset: 07:49 PM |
Moonrise:05:08 PM Moonset: 12:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
22 ° C (71.6°F) |
33.8 ° C (92.9°F) |
26.2 ° C (79.2°F) |
% 85 | 62% | 8 | Sunrise:06:16 AM Sunset: 07:48 PM |
Moonrise:05:50 PM Moonset: 01:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
22.5 ° C (72.6°F) |
31.4 ° C (88.5°F) |
26.2 ° C (79.1°F) |
% 83 | 18% | 8 | Sunrise:06:17 AM Sunset: 07:46 PM |
Moonrise:06:23 PM Moonset: 02:44 AM Moon Phase ( Waxing Gibbous ) |
|
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