Decatur (IL)
10 day weather forecast for Decatur
Saturday, December 13th, 2025, at 06:38 AM
today
-6° -16°
tomorrow
-9° -17°
Monday
0° -16°
Tuesday
1° -7°
Wednesday
8° 2°
Thursday
12° 11°
Friday
16° 6°
more
Decatur Weather Pages
Decatur weather forecast
The weather forecast for Decatur over the next 2 days indicates damp and frigid conditions with temperatures ranging from -9 °F to -6 °F.
Snow is expected on Saturday,.
Wind speeds are expected to be breezy, averaging around 17 km/h.
On Monday, expect a change in weather with temperatures reaching 0°C.
Decatur 14 days weather forecast
This weeks weather in Decatur. Click on a date for detailed forecasts
Sat. 13
-6°
-16°
5.4 cm
Sun. 14
-9°
-17°
0 mm
Mon. 15
0°
-16°
0 mm
Tue. 16
1°
-7°
0 mm
Wed. 17
8°
2°
0 mm
Thu. 18
12°
11°
0.4 mm
Fri. 19
16°
6°
0.4 mm
Sat. 20
7°
5°
4.1 mm
Sun. 21
9°
5°
0 mm
Mon. 22
12°
5°
0.2 mm
Tue. 23
19°
9°
1 mm
Wed. 24
5°
4°
0 mm
Thu. 25
6°
3°
6.2 mm
Fri. 26
14°
-3°
5.3 mm
Further Ahead
You can click on date
Access Decatur weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Decatur snow forecast ☃️
A total of 5.41 cm of snow is expected in Decatur over the next two weeks
Decatur long range weather forecast
30 day weather forecast for Decatur
Important Notice
Our Decatur long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Decatur
The chart displays the expected rainfall values (in mm) over the next 14 days in Decatur, highlighting variations in precipitation levels for specific dates. ☔
Decatur Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Decatur over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
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Get accurate weather forecasts for Decatur, located at latitude 39.84 and longitude -88.955. Stay updated with localized weather information tailored for Decatur.
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