Weather Alert
Sycamore Weather Warning NWS WEATHER ALERT FOR THE SYCAMORE, IL AREA - Issued: 230 PM CDT Thu Sep 17 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 80°F27°C, dew point 73°F23°C, humidity 79%. Wind direction is NW at 10 mph16 km/h with visibility of 10 mi16 km. Barometric pressure is 30.19 in1022 mb.
Today - Cloudy. A slight chance of showers or patchy drizzle late. Near steady temperature in the upper 70s. North winds around 5 mph. Cha.. Full Forecast
Tonight - Mostly cloudy. A slight chance of showers or patchy drizzle early in the evening. Lows in the lower 60s. Northeast winds 5 to 10 m.. Full Forecast

Sycamore Hourly Weather

24 Hour Forecast Scroll
Thu, Sep 17
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Noon
Fri, Sep 18
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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 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 - Mostly Cloudy - 9:00 AM Sycamore, IL Hourly Weather - Mostly Cloudy - 10:00 AM Sycamore, IL Hourly Weather - Mostly 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
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy
76°F24°C 77°F25°C 75°F24°C 74°F23°C 72°F22°C 70°F21°C 68°F20°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 61°F16°C 63°F17°C 65°F18°C 66°F19°C 67°F19°C 68°F20°C 68°F20°C
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9% 9% 9% 9% 9% 17% 17% 17% 17% 17% 17% 5% 5% 5% 5% 5% 5% 6% 6% 6% 6% 6% 6% 6%
69°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 60°F16°C 60°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C
79% 76% 82% 82% 87% 90% 93% 97% 97% 100% 100% 100% 100% 100% 100% 100% 100% 97% 90% 87% 84% 78% 76% 76%
W NW SW SE NE NE NE NE NE NE NE NE NE NE NE NE NE ENE ENE ENE ENE ENE ENE ENE
6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 9 mph 9 mph 9 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 11 mph 11 mph 11 mph 10 mph 10 mph 10 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 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 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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Visibility
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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