Weather Alert
Saybrook Weather Warning NWS WEATHER ALERT FOR THE SAYBROOK, IL AREA - Issued: 257 PM CDT Tue Sep 15 2026 Saybrook Weather Warning

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Saybrook, IL Weather - Hour by Hour Forecast

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Saybrook, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Lightning Observed. Temperature is 76°F24°C, dew point 74°F23°C, humidity 93%. Wind direction is NNE at 7 mph11 km/h with visibility of 10 mi16 km. Barometric pressure is 30.13 in1020 mb.
Tonight - Thunderstorms likely. A chance of showers this evening, then showers after midnight. Lows in the upper 60s. Northeast winds 5 to 1.. Full Forecast
Wednesday - Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the morning. Not as warm. Humid with highs in the low.. Full Forecast

Saybrook Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 15
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Saybrook, IL Hourly Weather - Cloudy - 9:00 PM Saybrook, IL Hourly Weather - Cloudy - 10:00 PM Saybrook, IL Hourly Weather - Cloudy - 11:00 PM Saybrook, IL Hourly Weather - Cloudy - 12:00 AM Saybrook, IL Hourly Weather - Cloudy - 1:00 AM Saybrook, IL Hourly Weather - Cloudy - 2:00 AM Saybrook, IL Hourly Weather - Cloudy - 3:00 AM Saybrook, IL Hourly Weather - Cloudy - 4:00 AM Saybrook, IL Hourly Weather - Cloudy - 5:00 AM Saybrook, IL Hourly Weather - Cloudy - 6:00 AM Saybrook, IL Hourly Weather - Cloudy - 7:00 AM Saybrook, IL Hourly Weather - Cloudy - 8:00 AM Saybrook, IL Hourly Weather - Cloudy - 9:00 AM Saybrook, IL Hourly Weather - Cloudy - 10:00 AM Saybrook, IL Hourly Weather - Cloudy - 11:00 AM Saybrook, IL Hourly Weather - Cloudy - 12:00 PM Saybrook, IL Hourly Weather - Cloudy - 1:00 PM Saybrook, IL Hourly Weather - Cloudy - 2:00 PM Saybrook, IL Hourly Weather - Cloudy - 3:00 PM Saybrook, IL Hourly Weather - Cloudy - 4:00 PM Saybrook, IL Hourly Weather - Cloudy - 5:00 PM Saybrook, IL Hourly Weather - Mostly Cloudy - 6:00 PM Saybrook, IL Hourly Weather - Mostly Cloudy - 7:00 PM Saybrook, IL Hourly Weather - Mostly Cloudy - 8:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 71°F22°C 74°F23°C 76°F24°C 78°F26°C 81°F27°C 83°F28°C 84°F29°C 84°F29°C 85°F29°C 83°F28°C 81°F27°C 79°F26°C 77°F25°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - Rain
34% 34% 34% 34% 34% 44% 44% 44% 44% 44% 44% 33% 33% 33% 33% 33% 33% 19% 19% 19% 19% 19% 19% 25%
71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 70°F21°C 71°F22°C 72°F22°C 73°F23°C 74°F23°C 75°F24°C 75°F24°C 74°F23°C 74°F23°C 74°F23°C 73°F23°C 73°F23°C 72°F22°C
97% 97% 100% 97% 100% 100% 100% 100% 100% 100% 100% 97% 90% 87% 85% 79% 77% 75% 72% 70% 74% 77% 82% 85%
NE ENE ENE E E ESE SE SSE S SSE SW SSW SSW SSW W WNW NW NW NW NW NNW N N SSW
8 mph 8 mph 8 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 5 mi8 km 5 mi8 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
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KBMI model statistics.

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Prob Precip % = Probability of Precipitation.

Saybrook 36 Hour Forecast

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

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