Decatur, Alabama Weather
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Weather Forecast for Decatur, Alabama : Morgan County
Issued: 9:50 pm CDT Jul 18, 2025 Latitude: 34.6059254 Longitude: -86.9833417 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
20% chance of rain on Tonight 70% chance of thunderstorms on Saturday 40% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday 40% chance of thunderstorms on Tuesday 30% chance of thunderstorms on Wednesday 30% chance of thunderstorms on Thursday 30% chance of thunderstorms on Friday
Low: 74°F High: 90°F High: 93°F High: 94°F High: 96°F High: 96°F High: 96°F High: 96°F
Low: 75°F Low: 75°F Low: 75°F Low: 75°F Low: 76°F Low: 76°F  
Rain Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
DECATUR - (KDCU)
81°
Partly Cloudy
as of 10:01 PM CDST
Rel. Humidity: 83%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
7 MPH
140° Southeast
Cloud Level(s): Few at 2000ft, Scattered at 2900ft
Current Conditions at
HUNTSVILLE - (KHSV)
81°
Mostly Clear
as of 9:53 PM CDST
Rel. Humidity: 83%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
6 MPH
150° Southeast
Cloud Level(s): Few at 3100ft, Few at 18000ft, Few at 22000ft
20% chance of rain Tonight Tonight... A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 74. South wind around 5 mph.
70% chance of thunderstorms Saturday Saturday... Showers and thunderstorms likely, mainly between 1pm and 3pm. Partly sunny, with a high near 90. Heat index values as high as 98. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Saturday Night Saturday Night... A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Southwest wind around 5 mph.
40% chance of thunderstorms Sunday Sunday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 101. West wind around 5 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening.
40% chance of thunderstorms Monday Monday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 75.
40% chance of thunderstorms Tuesday Tuesday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 96.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 75.
30% chance of thunderstorms Wednesday Wednesday... A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 76.
30% chance of thunderstorms Thursday Thursday... A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 76.
30% chance of thunderstorms Friday Friday... A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Sun Almanac for Decatur, Alabama
Sunrise: 05:49 AM
Sunset: 8:00 PM
Civil Sunrise:05:20 AM
Civil Sunset: 8:28 PM
Nautical Sunrise: 04:45 AM
Nautical Sunset: 9:03 PM
Astro Sunrise: 04:08 AM
Astro Sunset: 9:41 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.