Weather Alert
Sycamore Weather Warning NWS WEATHER ALERT FOR THE SYCAMORE, IL AREA - Issued: 117 PM CDT Mon Sep 14 2026 Sycamore Weather Warning

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Sycamore, IL Weather - Hour by Hour Forecast

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Sycamore, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 66°F19°C, dew point 54°F12°C, humidity 66%. Wind direction is SSE at 18 mph29 km/h with visibility of 10 mi16 km. Barometric pressure is 29.99 in1016 mb.
Tonight - Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Showers and a chance of thunderstorms after midnight. .. Full Forecast
Tuesday - Mostly cloudy. Showers early in the morning. A chance of thunderstorms. A chance of showers in the late morning and afternoon. Mor.. Full Forecast

Sycamore Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 15
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Midnight
Sycamore, IL Hourly Weather - Cloudy - 1:00 AM Sycamore, IL Hourly Weather - Cloudy - 2:00 AM Sycamore, IL Hourly Weather - Cloudy - 3:00 AM Sycamore, IL Hourly Weather - Cloudy - 4:00 AM Sycamore, IL Hourly Weather - Cloudy - 5:00 AM Sycamore, IL Hourly Weather - Cloudy - 6:00 AM Sycamore, IL Hourly Weather - Cloudy - 7:00 AM Sycamore, IL Hourly Weather - Cloudy - 8:00 AM Sycamore, IL Hourly Weather - Cloudy - 9:00 AM Sycamore, IL Hourly Weather - Cloudy - 10:00 AM Sycamore, IL Hourly Weather - Cloudy - 11:00 AM Sycamore, IL Hourly Weather - Cloudy - 12:00 PM Sycamore, IL Hourly Weather - Cloudy - 1:00 PM Sycamore, IL Hourly Weather - Cloudy - 2:00 PM Sycamore, IL Hourly Weather - Cloudy - 3:00 PM Sycamore, IL Hourly Weather - Cloudy - 4:00 PM Sycamore, IL Hourly Weather - Cloudy - 5:00 PM Sycamore, IL Hourly Weather - Cloudy - 6:00 PM Sycamore, IL Hourly Weather - Cloudy - 7:00 PM Sycamore, IL Hourly Weather - Cloudy - 8:00 PM Sycamore, IL Hourly Weather - Cloudy - 9:00 PM Sycamore, IL Hourly Weather - Cloudy - 10:00 PM Sycamore, IL Hourly Weather - Cloudy - 11:00 PM Sycamore, IL Hourly Weather - Cloudy - 12:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
63°F17°C 63°F17°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 67°F19°C 69°F21°C 72°F22°C 74°F23°C 77°F25°C 79°F26°C 79°F26°C 80°F27°C 80°F27°C 78°F26°C 75°F24°C 73°F23°C 71°F22°C 69°F21°C 67°F19°C 67°F19°C 66°F19°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
73% 73% 73% 73% 73% 73% 73% 84% 84% 84% 84% 84% 84% 28% 28% 28% 28% 28% 28% 27% 27% 27% 27% 27%
54°F12°C 55°F13°C 57°F14°C 58°F14°C 59°F15°C 59°F15°C 60°F16°C 62°F17°C 64°F18°C 66°F19°C 67°F19°C 68°F20°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 64°F18°C
72% 75% 78% 81% 84% 84% 87% 84% 84% 81% 79% 74% 72% 72% 67% 67% 69% 76% 79% 81% 87% 90% 90% 93%
SSE S S S S S S SSE SW SW SW SW SSW SSW SSW SSW W NW NW NNW NNW N SSW SE
15 mph 15 mph 14 mph 14 mph 14 mph 11 mph 11 mph 11 mph 12 mph 12 mph 12 mph 9 mph 9 mph 9 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 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 = Probability of Precipitation. ** Indicates missing data/values from KDKB model statistics.

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Prob Precip % = Probability of Precipitation.

Sycamore 36 Hour Forecast

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

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