Weather Tomorrow

Weather Tomorrow in Decatur, IL

Saturday, July 11, 2026

84°Low 68°FColdHot
Thunderstorms

Precip chance

39%

Wind

3-7 mph

Humidity

77%

Feels like

82–70°F

Rain forecast

Low chance of precipitation. Highest risk around 5 AM (39%).

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

68°Temperature trend84°
TimeTempConditionRain %Wind
5 AM73°FChance Showers And Thunderstorms
39%
3 mph NE
6 AM72°FChance Showers And Thunderstorms
30%
3 mph E
7 AM71°FChance Showers And Thunderstorms
27%
3 mph ENE
8 AM70°FSlight Chance Showers And Thunderstorms
24%
5 mph NNE
9 AM69°FSlight Chance Showers And Thunderstorms
21%
3 mph NE
10 AM69°FSlight Chance Showers And Thunderstorms
19%
3 mph NNE
11 AM68°FSlight Chance Showers And Thunderstorms
17%
3 mph NNE
12 PM70°FSlight Chance Showers And Thunderstorms
15%
5 mph NNE
1 PM71°FMostly Sunny
13%
5 mph NNE
2 PM73°FMostly Sunny
10%
3 mph NE
3 PM77°FPartly Sunny
8%
5 mph NE
4 PM78°FMostly Sunny
14%
6 mph NE
5 PM80°FSlight Chance Showers And Thunderstorms
19%
6 mph ENE
6 PM81°FChance Showers And Thunderstorms
25%
7 mph NE
7 PM82°FSlight Chance Showers And Thunderstorms
22%
6 mph ENE
8 PM83°FSlight Chance Showers And Thunderstorms
20%
6 mph NE
9 PM83°FSlight Chance Showers And Thunderstorms
18%
7 mph NE
10 PM83°FSlight Chance Showers And Thunderstorms
15%
6 mph ENE
11 PM84°FPartly Cloudy
11%
7 mph NE
12 AM82°FPartly Cloudy
10%
6 mph NE
1 AM80°FMostly Clear
10%
5 mph NE
2 AM77°FMostly Clear
10%
5 mph NE
3 AM74°FPartly Cloudy
10%
5 mph NE
4 AM72°FPartly Cloudy
10%
5 mph NE

Precipitation Timeline

100%
50%
39%
5a11a5p11p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Hot — wear breathable, light clothing

Clothing

  • Light t-shirt or tank top
  • Shorts or light skirt
  • Hat for sun protection

Footwear

Sandals or breathable sneakers

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High: 84°F

Low: 68°F

Wind: 3-7 mph

Rain: 39%

Enjoy your day!

Best Time to Be Outside Tomorrow

12 PM – 1 PM95

Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)

5a11a5p11p

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Frequently Asked Questions

What is the weather forecast for tomorrow in Decatur, IL?
Tomorrow in Decatur: High of 84°F, Low of 68°F. Thunderstorms with 39% chance of precipitation. Wind 3-7 mph.
Will it rain tomorrow in Decatur?
Low chance of precipitation. Highest risk around 5 AM (39%).
What should I wear tomorrow in Decatur?
With a high of 84°F and low of 68°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.