Weather Alert
Jacksonville Weather Warning NWS WEATHER ALERT FOR THE JACKSONVILLE, IL AREA - Issued: 206 PM CDT Sat Sep 19 2026 Jacksonville Weather Warning

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Jacksonville, IL Weather - Hour by Hour Forecast

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Jacksonville, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 87°F31°C, dew point 70°F21°C, humidity 56%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.89 in1012 mb.
Today - Mostly cloudy. Near steady temperature around 90. Southwest winds around 5 mph... Full Forecast
Tonight - Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. Southwest winds around 5 mph... Full Forecast

Jacksonville Hourly Weather

24 Hour Forecast Scroll
Sat, Sep 19
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Midnight
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Noon
Sun, Sep 20
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Jacksonville, IL Hourly Weather - Cloudy - 4:00 PM Jacksonville, IL Hourly Weather - Cloudy - 5:00 PM Jacksonville, IL Hourly Weather - Partly Cloudy - 6:00 PM Jacksonville, IL Hourly Weather - Partly Cloudy - 7:00 PM Jacksonville, IL Hourly Weather - Partly Cloudy - 8:00 PM Jacksonville, IL Hourly Weather - Mostly Cloudy - 9:00 PM Jacksonville, IL Hourly Weather - Mostly Cloudy - 10:00 PM Jacksonville, IL Hourly Weather - Mostly Cloudy - 11:00 PM Jacksonville, IL Hourly Weather - Mostly Cloudy - 12:00 AM Jacksonville, IL Hourly Weather - Mostly Cloudy - 1:00 AM Jacksonville, IL Hourly Weather - Mostly Cloudy - 2:00 AM Jacksonville, IL Hourly Weather - Mostly Cloudy - 3:00 AM Jacksonville, IL Hourly Weather - Mostly Cloudy - 4:00 AM Jacksonville, IL Hourly Weather - Mostly Cloudy - 5:00 AM Jacksonville, IL Hourly Weather - Cloudy - 6:00 AM Jacksonville, IL Hourly Weather - Cloudy - 7:00 AM Jacksonville, IL Hourly Weather - Cloudy - 8:00 AM Jacksonville, IL Hourly Weather - Cloudy - 9:00 AM Jacksonville, IL Hourly Weather - Cloudy - 10:00 AM Jacksonville, IL Hourly Weather - Cloudy - 11:00 AM Jacksonville, IL Hourly Weather - Cloudy - 12:00 PM Jacksonville, IL Hourly Weather - Cloudy - 1:00 PM Jacksonville, IL Hourly Weather - Cloudy - 2:00 PM Jacksonville, IL Hourly Weather - Cloudy - 3:00 PM
Cloudy Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
88°F31°C 86°F30°C 83°F28°C 81°F27°C 79°F26°C 76°F24°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 70°F21°C 74°F23°C 77°F25°C 79°F26°C 80°F27°C 82°F28°C 82°F28°C 82°F28°C
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0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 19% 19% 19% 19% 19% 19% 12% 12% 12% 12% 12% 12% 18% 18%
68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 67°F19°C 69°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 69°F21°C
52% 55% 61% 65% 69% 76% 82% 84% 87% 90% 93% 93% 97% 97% 97% 97% 90% 84% 79% 74% 72% 67% 67% 65%
E E E E ESE SE SE SE SSE S SW SSW W WNW WNW NW NW NW NW NW NW NW NW NNW
5 mph 5 mph 3 mph 3 mph 3 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 8 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
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KIJX model statistics.

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Prob Precip % = Probability of Precipitation.

Jacksonville 36 Hour Forecast

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

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