Weather Alert
Big Bend Lake Weather Warning NWS WEATHER ALERT FOR THE BIG BEND LAKE, IL AREA - SEVERE THUNDERSTORM WATCH Issued: 720 AM CDT TUE AUG 11 2026 Big Bend Lake Weather Warning

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Big Bend Lake, IL Weather - Hour by Hour Forecast

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Big Bend Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Clear. Temperature is 72°F22°C, dew point 68°F20°C, humidity 87%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.93 in1014 mb.
Today - Showers and thunderstorms, mainly in the morning. Some thunderstorms May be severe late in the morning. Locally heavy rainfall pos.. Full Forecast
Tonight - Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 60s. Northeast winds around 5 mph... Full Forecast

Big Bend Lake Hourly Weather

24 Hour Forecast Scroll
Tue, Aug 11
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Big Bend Lake, IL Hourly Weather - Cloudy - 7:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 8:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 9:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 10:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 11:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 12:00 PM Big Bend Lake, IL Hourly Weather - Cloudy - 1:00 PM Big Bend Lake, IL Hourly Weather - Cloudy - 2:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 3:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 4:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 5:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 6:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 7:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 8:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 9:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 10:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 11:00 PM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 12:00 AM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 1:00 AM Big Bend Lake, IL Hourly Weather - Mostly Cloudy - 2:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 3:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 4:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 5:00 AM Big Bend Lake, IL Hourly Weather - Cloudy - 6:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy
72°F22°C 74°F23°C 76°F24°C 78°F26°C 79°F26°C 81°F27°C 82°F28°C 82°F28°C 82°F28°C 82°F28°C 81°F27°C 79°F26°C 78°F26°C 77°F25°C 75°F24°C 74°F23°C 73°F23°C 73°F23°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 71°F22°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - Rain Rain Rain Rain Rain
84% 84% 84% 84% 84% 84% 84% 33% 33% 33% 33% 33% 33% 18% 18% 18% 18% 18% 18% 35% 35% 35% 35% 35%
71°F22°C 71°F22°C 70°F21°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 68°F20°C 68°F20°C 68°F20°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 69°F21°C 69°F21°C
97% 90% 82% 77% 74% 67% 65% 65% 65% 65% 67% 69% 71% 74% 82% 84% 87% 87% 90% 93% 93% 97% 97% 93%
ENE SE SW WNW W SSW SSW SW SSE SE SE SE SE SE SE SSE SE SE SE SE SE SSE E ENE
3 mph 3 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 3 mph 3 mph 3 mph 1 mph 1 mph 1 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 3 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 6 mi10 km 6 mi10 km 5 mi8 km 3 mi5 km .5 mi1 km .25 mi0 km .5 mi1 km .75 mi1 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KPWK model statistics.

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Prob Precip % = Probability of Precipitation.

Big Bend Lake 36 Hour Forecast

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

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