When lightning occurs, a large discharge of electricity causes the surrounding air to vibrate as it passes through the atmosphere to the surface.
Decatur, IL
Right Now
68°
Partly Cloudy
- Humidity: 92%
- Feels Like: 68°
- Heat Index: 68°
- Wind: 1 mph
- Wind Chill: 68°
- UV Index: 7 High
- Sunrise: 06:39:18 AM
- Sunset: 07:00:38 PM
- Dew Point: 66°
- Visibility: 10 mi
Today
Mostly cloudy early, then sunshine for the afternoon. High 89F. Winds light and variable.
Tonight
Clear to partly cloudy. Low 63F. Winds light and variable.
Tomorrow
Partly cloudy skies. High 87F. Winds ENE at 5 to 10 mph.
Next 12 Hours
Time
Temp
Precip
8 AM
66°
2%
8 AM
66°
Wind: SSE @ 1mph
Precip: 2% Chance
Humidity: 89%
Wind Chill: 66°
Heat Index: 66°
UV Index: 0 Low
Visibility: 8 mi
9 AM
72°
2%
9 AM
72°
Wind: S @ 2mph
Precip: 2% Chance
Humidity: 80%
Wind Chill: 72°
Heat Index: 72°
UV Index: 1 Low
Visibility: 10 mi
10 AM
76°
2%
10 AM
76°
Wind: S @ 2mph
Precip: 2% Chance
Humidity: 74%
Wind Chill: 76°
Heat Index: 76°
UV Index: 2 Low
Visibility: 10 mi
11 AM
80°
2%
11 AM
80°
Wind: SSW @ 5mph
Precip: 2% Chance
Humidity: 65%
Wind Chill: 80°
Heat Index: 84°
UV Index: 5 Moderate
Visibility: 10 mi
12 PM
83°
1%
12 PM
83°
Wind: SW @ 4mph
Precip: 1% Chance
Humidity: 57%
Wind Chill: 83°
Heat Index: 87°
UV Index: 6 High
Visibility: 10 mi
1 PM
85°
0%
1 PM
85°
Wind: SW @ 4mph
Precip: 0% Chance
Humidity: 51%
Wind Chill: 85°
Heat Index: 89°
UV Index: 7 High
Visibility: 10 mi
2 PM
87°
0%
2 PM
87°
Wind: SSW @ 5mph
Precip: 0% Chance
Humidity: 47%
Wind Chill: 87°
Heat Index: 89°
UV Index: 6 High
Visibility: 10 mi
3 PM
88°
0%
3 PM
88°
Wind: SSW @ 5mph
Precip: 0% Chance
Humidity: 44%
Wind Chill: 88°
Heat Index: 90°
UV Index: 4 Moderate
Visibility: 10 mi
4 PM
87°
0%
4 PM
87°
Wind: SSW @ 4mph
Precip: 0% Chance
Humidity: 45%
Wind Chill: 87°
Heat Index: 89°
UV Index: 3 Moderate
Visibility: 10 mi
5 PM
87°
0%
5 PM
87°
Wind: SSW @ 5mph
Precip: 0% Chance
Humidity: 44%
Wind Chill: 87°
Heat Index: 89°
UV Index: 1 Low
Visibility: 10 mi
6 PM
85°
0%
6 PM
85°
Wind: SSW @ 5mph
Precip: 0% Chance
Humidity: 47%
Wind Chill: 85°
Heat Index: 87°
UV Index: 0 Low
Visibility: 10 mi
7 PM
81°
1%
7 PM
81°
Wind: SSW @ 3mph
Precip: 1% Chance
Humidity: 57%
Wind Chill: 81°
Heat Index: 83°
UV Index: 0 Low
Visibility: 10 mi
"P" storms are not as common as other groups of storms, but that doesn't mean they don't have a destructive past. One devastating Caribbean storm stood out from the rest.
Severe thunderstorms sweeping through the Northeast on Sept. 15 dropped heavy hail in some areas.
Strong storms bearing hail, damaging wind gusts, intense rain and a lot of lightning rolled through the Northeast on Sept. 15.
There are two important components of hurricane forecasting: the hurricane track (where it is going) and intensity (how and if its winds are increasing).
Severe thunderstorms with winds up to 70 miles per hour and hail up to an inch in diameter blew across southeastern Colorado on September 14th.
Here's a look at what the weather was like for your very first summer.
There are two important components of hurricane forecasting: the hurricane track (where it is going) and intensity (how and if its winds are increasing).
Decatur's evening forecast: Clear. Low 56F. Winds light and variable. Thursday, Decatur folks should be prepared for high temperatures. The forecast calls for it to be a balmy 84 degrees. Tomorrow's forecasted low temperature is 63 degrees. Tomorrow's conditions are expected to be clear, so …
Severe thunderstorms with winds up to 70 miles per hour and hail up to an inch in diameter blew across southeastern Colorado on September 14th.
Here's a look at what the weather was like for your very first summer.
Severe thunderstorms with winds up to 70 miles per hour and hail up to an inch in diameter blew across southeastern Colorado on September 14th, causing minor damage in some areas.
Tropical Depression Nicholas, which weakened from a tropical storm Monday evening, dropped torrential rain from coastal Texas into Louisiana.