Weather Alert
Spencer Park Decatur Weather Warning NWS WEATHER ALERT FOR THE SPENCER PARK DECATUR, IL AREA - Issued: 515 AM CDT Fri Aug 7 2026 Spencer Park Decatur Weather Warning

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Spencer Park Decatur, IL Weather - Hour by Hour Forecast

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Spencer Park Decatur, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Clear. Temperature is 76°F24°C, dew point 69°F21°C, humidity 79%. Wind direction is S at 5 mph8 km/h with visibility of 10 mi16 km. Barometric pressure is 30.09 in1018 mb.
Today - Patchy dense fog this morning. Mostly cloudy with a chance of showers with a slight chance of thunderstorms this morning, then mos.. Full Forecast
Tonight - Partly cloudy. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph... Full Forecast

Spencer Park Decatur Hourly Weather

24 Hour Forecast Scroll
Fri, Aug 07
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Spencer Park Decatur, IL Hourly Weather - Cloudy - 9:00 AM Spencer Park Decatur, IL Hourly Weather - Cloudy - 10:00 AM Spencer Park Decatur, IL Hourly Weather - Cloudy - 11:00 AM Spencer Park Decatur, IL Hourly Weather - Mostly Cloudy - 12:00 PM Spencer Park Decatur, IL Hourly Weather - Mostly Cloudy - 1:00 PM Spencer Park Decatur, IL Hourly Weather - Mostly Cloudy - 2:00 PM Spencer Park Decatur, IL Hourly Weather - Mostly Cloudy - 3:00 PM Spencer Park Decatur, IL Hourly Weather - Mostly Cloudy - 4:00 PM Spencer Park Decatur, IL Hourly Weather - Mostly Cloudy - 5:00 PM Spencer Park Decatur, IL Hourly Weather - Clear - 6:00 PM Spencer Park Decatur, IL Hourly Weather - Clear - 7:00 PM Spencer Park Decatur, IL Hourly Weather - Clear - 8:00 PM Spencer Park Decatur, IL Hourly Weather - Clear - 9:00 PM Spencer Park Decatur, IL Hourly Weather - Clear - 10:00 PM Spencer Park Decatur, IL Hourly Weather - Clear - 11:00 PM Spencer Park Decatur, IL Hourly Weather - Clear - 12:00 AM Spencer Park Decatur, IL Hourly Weather - Clear - 1:00 AM Spencer Park Decatur, IL Hourly Weather - Clear - 2:00 AM Spencer Park Decatur, IL Hourly Weather - Clear - 3:00 AM Spencer Park Decatur, IL Hourly Weather - Clear - 4:00 AM Spencer Park Decatur, IL Hourly Weather - Clear - 5:00 AM Spencer Park Decatur, IL Hourly Weather - Mostly Clear - 6:00 AM Spencer Park Decatur, IL Hourly Weather - Mostly Clear - 7:00 AM Spencer Park Decatur, IL Hourly Weather - Mostly Clear - 8:00 AM
Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear
75°F24°C 78°F26°C 80°F27°C 81°F27°C 83°F28°C 84°F29°C 85°F29°C 86°F30°C 85°F29°C 85°F29°C 84°F29°C 82°F28°C 79°F26°C 77°F25°C 76°F24°C 76°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 73°F23°C 73°F23°C 73°F23°C 76°F24°C
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19% 19% 19% 19% 19% 14% 14% 14% 14% 14% 14% 4% 4% 4% 4% 4% 4% 6% 6% 6% 6% 6% 6% 7%
68°F20°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C
79% 74% 69% 69% 65% 63% 61% 59% 61% 63% 65% 69% 74% 79% 82% 79% 82% 84% 82% 84% 84% 84% 84% 79%
S S S S S SSE SW SW SSE S SSE S S SW SW SW SW SW SSW SSW SSW SSW SSW W
6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KDEC model statistics.

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Prob Precip % = Probability of Precipitation.

Spencer Park Decatur 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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