Weather Tomorrow

Weather Tomorrow in Decatur, IL

Friday, July 10, 2026

85°Low 71°FColdHot
Thunderstorms

Precip chance

53%

Wind

3-6 mph

Humidity

81%

Feels like

83–73°F

Rain forecast

Rain likely starts around 12 AM and may continue until 4 AM. Peak chance: 53% around 12 AM.

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

Tomorrow by Hour

71°Temperature trend85°
TimeTempConditionRain %Wind
5 AM76°FSlight Chance Showers And Thunderstorms
24%
3 mph SSW
6 AM74°FChance Showers And Thunderstorms
29%
5 mph S
7 AM74°FChance Showers And Thunderstorms
32%
3 mph S
8 AM72°FChance Showers And Thunderstorms
32%
3 mph S
9 AM71°FSlight Chance Showers And Thunderstorms
21%
3 mph SSW
10 AM72°FSlight Chance Showers And Thunderstorms
21%
3 mph SSW
11 AM71°FMostly Cloudy
11%
3 mph SW
12 PM73°FMostly Cloudy
14%
3 mph SW
1 PM75°FMostly Cloudy
11%
3 mph WSW
2 PM76°FMostly Cloudy
11%
3 mph WSW
3 PM79°FMostly Cloudy
10%
5 mph WSW
4 PM80°FMostly Cloudy
11%
5 mph W
5 PM82°FMostly Cloudy
12%
5 mph W
6 PM84°FSlight Chance Showers And Thunderstorms
15%
5 mph WNW
7 PM84°FSlight Chance Showers And Thunderstorms
18%
5 mph WNW
8 PM84°FSlight Chance Showers And Thunderstorms
22%
5 mph NW
9 PM85°FChance Showers And Thunderstorms
28%
6 mph NW
10 PM84°FChance Showers And Thunderstorms
26%
6 mph NNW
11 PM83°FChance Showers And Thunderstorms
29%
6 mph N
12 AM82°FChance Showers And Thunderstorms
53%
6 mph N
1 AM80°FChance Showers And Thunderstorms
53%
5 mph N
2 AM76°FChance Showers And Thunderstorms
53%
5 mph NE
3 AM74°FChance Showers And Thunderstorms
53%
5 mph ENE
4 AM73°FChance Showers And Thunderstorms
53%
5 mph ENE

Precipitation Timeline

100%
50%
53%
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

  • Umbrella
  • Sunscreen

Conditions

High: 85°F

Low: 71°F

Wind: 3-6 mph

Rain: 53%

Rain expected around 12 AM — carry an umbrella.

Best Time to Be Outside Tomorrow

11 AM – 12 PM94

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 85°F, Low of 71°F. Thunderstorms with 53% chance of precipitation. Wind 3-6 mph.
Will it rain tomorrow in Decatur?
Rain likely starts around 12 AM and may continue until 4 AM. Peak chance: 53% around 12 AM.
What should I wear tomorrow in Decatur?
With a high of 85°F and low of 71°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.