Flat Rock Weather Forecast 15 Days, Weather in Flat Rock Today
Current weather conditions and 15 day weather forecast for Flat Rock, 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 Flat Rock
| 24 March 2026 Tuesday 0.6 ° C / 33.1°F  Clear |
Feels Like : -2.4 ° C / 27.6°F Humidity : % 66 Pressure : 1029 mb Wind Speed : 9.4 kmph / 5.8 miles from NE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Flat Rock, IL, USA
Weather Forecast for next 15 Days for Flat Rock 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 Flat Rock, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 March 2026 Tuesday | Sunny |
-0.3 ° C (31.5°F) |
16.8 ° C (62.2°F) |
6.7 ° C (44.1°F) |
% 64 | 0% | 1.3 | Sunrise:06:47 AM Sunset: 07:07 PM |
Moonrise:10:08 AM Moonset: 01:06 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday |  Patchy rain nearby |
3.5 ° C (38.3°F) |
19.2 ° C (66.6°F) |
11.5 ° C (52.7°F) |
% 71 | 74% | 1.2 | Sunrise:06:46 AM Sunset: 07:08 PM |
Moonrise:11:11 AM Moonset: 02:13 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday |  Overcast |
11.2 ° C (52.2°F) |
27.5 ° C (81.5°F) |
18.2 ° C (64.7°F) |
% 81 | 0% | 1.8 | Sunrise:06:44 AM Sunset: 07:09 PM |
Moonrise:12:20 PM Moonset: 03:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Moderate rain |
1.7 ° C (35°F) |
8.1 ° C (46.5°F) |
6.8 ° C (44.3°F) |
% 69 | 88% | 0.6 | Sunrise:06:43 AM Sunset: 07:10 PM |
Moonrise:01:34 PM Moonset: 03:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
-1.2 ° C (29.8°F) |
10.3 ° C (50.5°F) |
2.9 ° C (37.3°F) |
% 54 | 0% | 0 | Sunrise:06:41 AM Sunset: 07:11 PM |
Moonrise:02:45 PM Moonset: 04:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Partly Cloudy |
3.7 ° C (38.7°F) |
13.1 ° C (55.5°F) |
7.6 ° C (45.6°F) |
% 59 | 0% | 3 | Sunrise:06:39 AM Sunset: 07:11 PM |
Moonrise:03:55 PM Moonset: 05:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Patchy rain nearby |
8.3 ° C (47°F) |
10.6 ° C (51.2°F) |
9.3 ° C (48.8°F) |
% 92 | 89% | 2 | Sunrise:06:38 AM Sunset: 07:12 PM |
Moonrise:05:02 PM Moonset: 05:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Moderate rain |
9.8 ° C (49.6°F) |
15.6 ° C (60.1°F) |
13 ° C (55.4°F) |
% 95 | 85% | 3 | Sunrise:06:36 AM Sunset: 07:13 PM |
Moonrise:06:06 PM Moonset: 05:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
14.7 ° C (58.5°F) |
20.4 ° C (68.7°F) |
16.8 ° C (62.2°F) |
% 89 | 81% | 4 | Sunrise:06:35 AM Sunset: 07:14 PM |
Moonrise:07:10 PM Moonset: 06:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
17.3 ° C (63.2°F) |
18.6 ° C (65.5°F) |
18 ° C (64.4°F) |
% 90 | 88% | 4 | Sunrise:06:33 AM Sunset: 07:15 PM |
Moonrise:08:13 PM Moonset: 06:33 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Moderate rain |
16.9 ° C (62.3°F) |
21.6 ° C (71°F) |
18.9 ° C (66°F) |
% 92 | 88% | 4 | Sunrise:06:32 AM Sunset: 07:16 PM |
Moonrise:09:16 PM Moonset: 06:57 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
17.1 ° C (62.9°F) |
25.1 ° C (77.2°F) |
20.4 ° C (68.8°F) |
% 85 | 83% | 5 | Sunrise:06:30 AM Sunset: 07:17 PM |
Moonrise:10:19 PM Moonset: 07:24 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Moderate rain |
16 ° C (60.8°F) |
20.6 ° C (69.1°F) |
18.2 ° C (64.7°F) |
% 90 | 84% | 4 | Sunrise:06:28 AM Sunset: 07:18 PM |
Moonrise:11:22 PM Moonset: 07:55 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Patchy rain nearby |
3.3 ° C (37.9°F) |
10 ° C (50.1°F) |
8.5 ° C (47.3°F) |
% 85 | 82% | 2 | Sunrise:06:27 AM Sunset: 07:19 PM |
Moonrise:No moonrise Moonset: 08:31 AM Moon Phase ( Waning Gibbous ) |
|
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