Just isolated showers and weak storms during the day today, but as a cold front moves in this evening, rain looks likely. A few severe storms are possible. Full details in our updated forecast.
Decatur, IL
Right Now
78°
Sunny
- Humidity: 36%
- Feels Like: 78°
- Heat Index: 78°
- Wind: 8 mph
- Wind Chill: 78°
- UV Index: 0 Low
- Sunrise: 05:29:14 AM
- Sunset: 08:28:39 PM
- Dew Point: 49°
- Visibility: 10 mi
Today
A few clouds. Low 56F. Winds NNE at 5 to 10 mph.
Tonight
A few clouds. Low 56F. Winds NNE at 5 to 10 mph.
Tomorrow
Mainly sunny. High 83F. Winds SSW at 5 to 10 mph.
Next 12 Hours
Time
Temp
Precip
6 PM
78°
0%
6 PM
78°
Wind: NNW @ 8 mph
Precip: 0% Chance
Humidity: 37%
Wind Chill: 78°
Heat Index: 78°
UV Index: 1 Low
Visibility: 10 mi
7 PM
76°
1%
7 PM
76°
Wind: NNW @ 7 mph
Precip: 1% Chance
Humidity: 41%
Wind Chill: 76°
Heat Index: 76°
UV Index: 0 Low
Visibility: 10 mi
8 PM
73°
1%
8 PM
73°
Wind: NNW @ 5 mph
Precip: 1% Chance
Humidity: 49%
Wind Chill: 73°
Heat Index: 73°
UV Index: 0 Low
Visibility: 10 mi
9 PM
68°
1%
9 PM
68°
Wind: NNW @ 4 mph
Precip: 1% Chance
Humidity: 60%
Wind Chill: 68°
Heat Index: 68°
UV Index: 0 Low
Visibility: 10 mi
10 PM
66°
1%
10 PM
66°
Wind: NNW @ 4 mph
Precip: 1% Chance
Humidity: 66%
Wind Chill: 66°
Heat Index: 66°
UV Index: 0 Low
Visibility: 10 mi
11 PM
64°
1%
11 PM
64°
Wind: N @ 3 mph
Precip: 1% Chance
Humidity: 73%
Wind Chill: 64°
Heat Index: 64°
UV Index: 0 Low
Visibility: 10 mi
12 AM
63°
1%
12 AM
63°
Wind: NNE @ 2 mph
Precip: 1% Chance
Humidity: 76%
Wind Chill: 63°
Heat Index: 63°
UV Index: 0 Low
Visibility: 10 mi
1 AM
62°
3%
1 AM
62°
Wind: NE @ 2 mph
Precip: 3% Chance
Humidity: 77%
Wind Chill: 62°
Heat Index: 62°
UV Index: 0 Low
Visibility: 10 mi
2 AM
61°
4%
2 AM
61°
Wind: S @ 2 mph
Precip: 4% Chance
Humidity: 79%
Wind Chill: 61°
Heat Index: 61°
UV Index: 0 Low
Visibility: 10 mi
3 AM
60°
4%
3 AM
60°
Wind: SE @ 2 mph
Precip: 4% Chance
Humidity: 81%
Wind Chill: 60°
Heat Index: 60°
UV Index: 0 Low
Visibility: 10 mi
4 AM
59°
4%
4 AM
59°
Wind: E @ 2 mph
Precip: 4% Chance
Humidity: 85%
Wind Chill: 59°
Heat Index: 59°
UV Index: 0 Low
Visibility: 10 mi
5 AM
57°
4%
5 AM
57°
Wind: SE @ 2 mph
Precip: 4% Chance
Humidity: 84%
Wind Chill: 57°
Heat Index: 57°
UV Index: 0 Low
Visibility: 9 mi
Just isolated showers and weak storms during the day today, but as a cold front moves in this evening, rain looks likely. A few severe storms cannot be ruled out. Full details in our updated forecast.
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Atmospheric rivers are relatively narrow regions in the atmosphere — typically 250 to 375 miles wide and well over 1,000 miles long.
From 1920 to 2021, here's what summer weather was like, based on data from the National Oceanic and Atmospheric Administration.
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