Big Mound Weather Forecast 15 Days, Weather in Big Mound Today
Current weather conditions and 15 day weather forecast for Big Mound, 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 Big Mound
| 13 August 2025 Wednesday 28.7 ° C / 83.7°F  Partly cloudy |
Feels Like : 31.2 ° C / 88.1°F Humidity : % 69 Pressure : 1013 mb Wind Speed : 10.1 kmph / 6.3 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Big Mound, IL, USA
Weather Forecast for next 15 Days for Big Mound 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 Big Mound, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 13 August 2025 Wednesday | |
| Weather forecast |  Moderate rain |
| Low temperature | 20.8 ° C (69.4°F) |
| High temperature | 32.5 ° C (90.5°F) |
| Avg. temperature | 26.4 ° C (79.5°F) |
| Humidity | % 82 |
| Chance of rain | 86% |
| UV Index | 2.2 |
| Sun Position | Sunrise:06:06 AM Sunset: 07:50 PM |
| Moon Position | Moonrise:10:08 PM Moonset: 10:53 AM Moon Phase ( Waning Gibbous ) |
| 14 August 2025 Thursday | |
| Weather forecast | Moderate rain |
| Low temperature | 23 ° C (73.4°F) |
| High temperature | 29.2 ° C (84.6°F) |
| Avg. temperature | 25.7 ° C (78.3°F) |
| Humidity | % 88 |
| Chance of rain | 85% |
| UV Index | 2.3 |
| Sun Position | Sunrise:06:07 AM Sunset: 07:48 PM |
| Moon Position | Moonrise:10:38 PM Moonset: 12:05 PM Moon Phase ( Waning Gibbous ) |
| 15 August 2025 Friday | |
| Weather forecast |  Cloudy |
| Low temperature | 21.8 ° C (71.2°F) |
| High temperature | 31.9 ° C (89.4°F) |
| Avg. temperature | 26.7 ° C (80°F) |
| Humidity | % 84 |
| Chance of rain | 0% |
| UV Index | 2.2 |
| Sun Position | Sunrise:06:08 AM Sunset: 07:47 PM |
| Moon Position | Moonrise:11:13 PM Moonset: 01:21 PM Moon Phase ( Waning Gibbous ) |
| 16 August 2025 Saturday | |
| Weather forecast |  Sunny |
| Low temperature | 23.4 ° C (74.1°F) |
| High temperature | 34.4 ° C (93.9°F) |
| Avg. temperature | 28.5 ° C (83.3°F) |
| Humidity | % 73 |
| Chance of rain | 0% |
| UV Index | 2.3 |
| Sun Position | Sunrise:06:09 AM Sunset: 07:46 PM |
| Moon Position | Moonrise:11:57 PM Moonset: 02:35 PM Moon Phase ( Last Quarter ) |
| 17 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 23.3 ° C (73.9°F) |
| High temperature | 34.4 ° C (93.9°F) |
| Avg. temperature | 28.5 ° C (83.3°F) |
| Humidity | % 63 |
| Chance of rain | 0% |
| UV Index | 0 |
| Sun Position | Sunrise:06:10 AM Sunset: 07:45 PM |
| Moon Position | Moonrise:No moonrise Moonset: 03:48 PM Moon Phase ( Waning Crescent ) |
| 18 August 2025 Monday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 24.2 ° C (75.5°F) |
| High temperature | 34.9 ° C (94.8°F) |
| Avg. temperature | 27.6 ° C (81.6°F) |
| Humidity | % 68 |
| Chance of rain | 72% |
| UV Index | 6 |
| Sun Position | Sunrise:06:11 AM Sunset: 07:43 PM |
| Moon Position | Moonrise:12:50 AM Moonset: 04:52 PM Moon Phase ( Waning Crescent ) |
| 19 August 2025 Tuesday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 23 ° C (73.4°F) |
| High temperature | 34 ° C (93.3°F) |
| Avg. temperature | 27.6 ° C (81.6°F) |
| Humidity | % 73 |
| Chance of rain | 87% |
| UV Index | 6 |
| Sun Position | Sunrise:06:12 AM Sunset: 07:42 PM |
| Moon Position | Moonrise:01:53 AM Moonset: 05:46 PM Moon Phase ( Waning Crescent ) |
| 20 August 2025 Wednesday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 17.8 ° C (64.1°F) |
| High temperature | 23.8 ° C (74.8°F) |
| Avg. temperature | 21 ° C (69.8°F) |
| Humidity | % 83 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:13 AM Sunset: 07:40 PM |
| Moon Position | Moonrise:03:03 AM Moonset: 06:30 PM Moon Phase ( Waning Crescent ) |
| 21 August 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 14.2 ° C (57.5°F) |
| High temperature | 24.6 ° C (76.2°F) |
| Avg. temperature | 19.1 ° C (66.3°F) |
| Humidity | % 72 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:13 AM Sunset: 07:39 PM |
| Moon Position | Moonrise:04:14 AM Moonset: 07:05 PM Moon Phase ( Waning Crescent ) |
| 22 August 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 13.2 ° C (55.8°F) |
| High temperature | 26.9 ° C (80.4°F) |
| Avg. temperature | 19.7 ° C (67.4°F) |
| Humidity | % 69 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:14 AM Sunset: 07:38 PM |
| Moon Position | Moonrise:05:25 AM Moonset: 07:34 PM Moon Phase ( Waning Crescent ) |
| 23 August 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 16.4 ° C (61.6°F) |
| High temperature | 29.5 ° C (85.2°F) |
| Avg. temperature | 22.2 ° C (72°F) |
| Humidity | % 67 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:15 AM Sunset: 07:36 PM |
| Moon Position | Moonrise:06:32 AM Moonset: 07:58 PM Moon Phase ( New Moon ) |
| 24 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 17.8 ° C (64°F) |
| High temperature | 30.1 ° C (86.3°F) |
| Avg. temperature | 23.3 ° C (74°F) |
| Humidity | % 66 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:16 AM Sunset: 07:35 PM |
| Moon Position | Moonrise:07:36 AM Moonset: 08:20 PM Moon Phase ( Waxing Crescent ) |
| 25 August 2025 Monday | |
| Weather forecast | Sunny |
| Low temperature | 18.7 ° C (65.7°F) |
| High temperature | 32.5 ° C (90.6°F) |
| Avg. temperature | 24.8 ° C (76.7°F) |
| Humidity | % 64 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:17 AM Sunset: 07:33 PM |
| Moon Position | Moonrise:08:38 AM Moonset: 08:41 PM Moon Phase ( Waxing Crescent ) |
| 26 August 2025 Tuesday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 20.8 ° C (69.4°F) |
| High temperature | 29 ° C (84.2°F) |
| Avg. temperature | 24 ° C (75.2°F) |
| Humidity | % 81 |
| Chance of rain | 81% |
| UV Index | 5 |
| Sun Position | Sunrise:06:18 AM Sunset: 07:32 PM |
| Moon Position | Moonrise:09:39 AM Moonset: 09:03 PM Moon Phase ( Waxing Crescent ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 August 2025 Wednesday | Moderate rain |
20.8 ° C (69.4°F) |
32.5 ° C (90.5°F) |
26.4 ° C (79.5°F) |
% 82 | 86% | 2.2 | Sunrise:06:06 AM Sunset: 07:50 PM |
Moonrise:10:08 PM Moonset: 10:53 AM Moon Phase ( Waning Gibbous ) |
|
| 14 August 2025 Thursday | Moderate rain |
23 ° C (73.4°F) |
29.2 ° C (84.6°F) |
25.7 ° C (78.3°F) |
% 88 | 85% | 2.3 | Sunrise:06:07 AM Sunset: 07:48 PM |
Moonrise:10:38 PM Moonset: 12:05 PM Moon Phase ( Waning Gibbous ) |
|
| 15 August 2025 Friday | Cloudy |
21.8 ° C (71.2°F) |
31.9 ° C (89.4°F) |
26.7 ° C (80°F) |
% 84 | 0% | 2.2 | Sunrise:06:08 AM Sunset: 07:47 PM |
Moonrise:11:13 PM Moonset: 01:21 PM Moon Phase ( Waning Gibbous ) |
|
| 16 August 2025 Saturday | Sunny |
23.4 ° C (74.1°F) |
34.4 ° C (93.9°F) |
28.5 ° C (83.3°F) |
% 73 | 0% | 2.3 | Sunrise:06:09 AM Sunset: 07:46 PM |
Moonrise:11:57 PM Moonset: 02:35 PM Moon Phase ( Last Quarter ) |
|
| 17 August 2025 Sunday | Sunny |
23.3 ° C (73.9°F) |
34.4 ° C (93.9°F) |
28.5 ° C (83.3°F) |
% 63 | 0% | 0 | Sunrise:06:10 AM Sunset: 07:45 PM |
Moonrise:No moonrise Moonset: 03:48 PM Moon Phase ( Waning Crescent ) |
|
| 18 August 2025 Monday | Patchy rain nearby |
24.2 ° C (75.5°F) |
34.9 ° C (94.8°F) |
27.6 ° C (81.6°F) |
% 68 | 72% | 6 | Sunrise:06:11 AM Sunset: 07:43 PM |
Moonrise:12:50 AM Moonset: 04:52 PM Moon Phase ( Waning Crescent ) |
|
| 19 August 2025 Tuesday | Patchy rain nearby |
23 ° C (73.4°F) |
34 ° C (93.3°F) |
27.6 ° C (81.6°F) |
% 73 | 87% | 6 | Sunrise:06:12 AM Sunset: 07:42 PM |
Moonrise:01:53 AM Moonset: 05:46 PM Moon Phase ( Waning Crescent ) |
|
| 20 August 2025 Wednesday | Partly Cloudy |
17.8 ° C (64.1°F) |
23.8 ° C (74.8°F) |
21 ° C (69.8°F) |
% 83 | 0% | 6 | Sunrise:06:13 AM Sunset: 07:40 PM |
Moonrise:03:03 AM Moonset: 06:30 PM Moon Phase ( Waning Crescent ) |
|
| 21 August 2025 Thursday | Sunny |
14.2 ° C (57.5°F) |
24.6 ° C (76.2°F) |
19.1 ° C (66.3°F) |
% 72 | 0% | 5 | Sunrise:06:13 AM Sunset: 07:39 PM |
Moonrise:04:14 AM Moonset: 07:05 PM Moon Phase ( Waning Crescent ) |
|
| 22 August 2025 Friday | Sunny |
13.2 ° C (55.8°F) |
26.9 ° C (80.4°F) |
19.7 ° C (67.4°F) |
% 69 | 0% | 5 | Sunrise:06:14 AM Sunset: 07:38 PM |
Moonrise:05:25 AM Moonset: 07:34 PM Moon Phase ( Waning Crescent ) |
|
| 23 August 2025 Saturday | Sunny |
16.4 ° C (61.6°F) |
29.5 ° C (85.2°F) |
22.2 ° C (72°F) |
% 67 | 0% | 6 | Sunrise:06:15 AM Sunset: 07:36 PM |
Moonrise:06:32 AM Moonset: 07:58 PM Moon Phase ( New Moon ) |
|
| 24 August 2025 Sunday | Sunny |
17.8 ° C (64°F) |
30.1 ° C (86.3°F) |
23.3 ° C (74°F) |
% 66 | 0% | 6 | Sunrise:06:16 AM Sunset: 07:35 PM |
Moonrise:07:36 AM Moonset: 08:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 August 2025 Monday | Sunny |
18.7 ° C (65.7°F) |
32.5 ° C (90.6°F) |
24.8 ° C (76.7°F) |
% 64 | 0% | 6 | Sunrise:06:17 AM Sunset: 07:33 PM |
Moonrise:08:38 AM Moonset: 08:41 PM Moon Phase ( Waxing Crescent ) |
|
| 26 August 2025 Tuesday | Patchy rain nearby |
20.8 ° C (69.4°F) |
29 ° C (84.2°F) |
24 ° C (75.2°F) |
% 81 | 81% | 5 | Sunrise:06:18 AM Sunset: 07:32 PM |
Moonrise:09:39 AM Moonset: 09:03 PM Moon Phase ( Waxing Crescent ) |
|
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