Weather Tomorrow in Decatur, IL
Saturday, July 11, 2026
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°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 73°F | Chance Showers And Thunderstorms | 39% | 3 mph NE | ||
| 6 AM☽ | 72°F | Chance Showers And Thunderstorms | 30% | 3 mph E | ||
| 7 AM☽ | 71°F | Chance Showers And Thunderstorms | 27% | 3 mph ENE | ||
| 8 AM☽ | 70°F | Slight Chance Showers And Thunderstorms | 24% | 5 mph NNE | ||
| 9 AM☽ | 69°F | Slight Chance Showers And Thunderstorms | 21% | 3 mph NE | ||
| 10 AM☽ | 69°F | Slight Chance Showers And Thunderstorms | 19% | 3 mph NNE | ||
| 11 AM | 68°F | Slight Chance Showers And Thunderstorms | 17% | 3 mph NNE | ||
| 12 PM | 70°F | Slight Chance Showers And Thunderstorms | 15% | 5 mph NNE | ||
| 1 PM | 71°F | Mostly Sunny | 13% | 5 mph NNE | ||
| 2 PM | 73°F | Mostly Sunny | 10% | 3 mph NE | ||
| 3 PM | 77°F | Partly Sunny | 8% | 5 mph NE | ||
| 4 PM | 78°F | Mostly Sunny | 14% | 6 mph NE | ||
| 5 PM | 80°F | Slight Chance Showers And Thunderstorms | 19% | 6 mph ENE | ||
| 6 PM | 81°F | Chance Showers And Thunderstorms | 25% | 7 mph NE | ||
| 7 PM | 82°F | Slight Chance Showers And Thunderstorms | 22% | 6 mph ENE | ||
| 8 PM | 83°F | Slight Chance Showers And Thunderstorms | 20% | 6 mph NE | ||
| 9 PM | 83°F | Slight Chance Showers And Thunderstorms | 18% | 7 mph NE | ||
| 10 PM | 83°F | Slight Chance Showers And Thunderstorms | 15% | 6 mph ENE | ||
| 11 PM☽ | 84°F | Partly Cloudy | 11% | 7 mph NE | ||
| 12 AM☽ | 82°F | Partly Cloudy | 10% | 6 mph NE | ||
| 1 AM☽ | 80°F | Mostly Clear | 10% | 5 mph NE | ||
| 2 AM☽ | 77°F | Mostly Clear | 10% | 5 mph NE | ||
| 3 AM☽ | 74°F | Partly Cloudy | 10% | 5 mph NE | ||
| 4 AM☽ | 72°F | Partly 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 PM
Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)
5a11a5p11p
More for Decatur, IL
- Will it rain tomorrow in Decatur?
- What time will it rain tomorrow in Decatur?
- Weather tomorrow by hour in Decatur
- Heat index tomorrow by zip code near Decatur
- Dew point tomorrow by zip code near Decatur
- Wind chill tomorrow by zip code near Decatur
- Snow forecast tomorrow by zip code near Decatur
- What to wear tomorrow in Decatur
- Best time to be outside tomorrow in Decatur
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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.