Weather Alert
Fountain Bluff Weather Warning NWS WEATHER ALERT FOR THE FOUNTAIN BLUFF, IL AREA - Issued: 116 PM CDT Wed Sep 2 2026 Fountain Bluff Weather Warning

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Fountain Bluff, IL Weather - Hour by Hour Forecast

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Fountain Bluff, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 84°F29°C, dew point 71°F22°C, humidity 65%. Wind direction is SE at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.97 in1014 mb.
Overnight - Clear. Lows in the mid 70s. South winds around 5 mph... Full Forecast
Thursday - Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Highest heat index readings heat index readings up to 105 in.. Full Forecast

Fountain Bluff Hourly Weather

24 Hour Forecast Scroll
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Fountain Bluff, IL Hourly Weather - Clear - 2:00 AM Fountain Bluff, IL Hourly Weather - Clear - 3:00 AM Fountain Bluff, IL Hourly Weather - Clear - 4:00 AM Fountain Bluff, IL Hourly Weather - Clear - 5:00 AM Fountain Bluff, IL Hourly Weather - Clear - 6:00 AM Fountain Bluff, IL Hourly Weather - Clear - 7:00 AM Fountain Bluff, IL Hourly Weather - Clear - 8:00 AM Fountain Bluff, IL Hourly Weather - Clear - 9:00 AM Fountain Bluff, IL Hourly Weather - Clear - 10:00 AM Fountain Bluff, IL Hourly Weather - Clear - 11:00 AM Fountain Bluff, IL Hourly Weather - Clear - 12:00 PM Fountain Bluff, IL Hourly Weather - Clear - 1:00 PM Fountain Bluff, IL Hourly Weather - Clear - 2:00 PM Fountain Bluff, IL Hourly Weather - Mostly Clear - 3:00 PM Fountain Bluff, IL Hourly Weather - Mostly Clear - 4:00 PM Fountain Bluff, IL Hourly Weather - Mostly Clear - 5:00 PM Fountain Bluff, IL Hourly Weather - Mostly Clear - 6:00 PM Fountain Bluff, IL Hourly Weather - Mostly Clear - 7:00 PM Fountain Bluff, IL Hourly Weather - Mostly Clear - 8:00 PM Fountain Bluff, IL Hourly Weather - Clear - 9:00 PM Fountain Bluff, IL Hourly Weather - Clear - 10:00 PM Fountain Bluff, IL Hourly Weather - Clear - 11:00 PM Fountain Bluff, IL Hourly Weather - Mostly Clear - 12:00 AM Fountain Bluff, IL Hourly Weather - Mostly Clear - 1:00 AM
Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Mostly Clear Mostly Clear
72°F22°C 71°F22°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 77°F25°C 83°F28°C 89°F32°C 92°F33°C 95°F35°C 98°F37°C 99°F37°C 101°F38°C 102°F39°C 98°F37°C 95°F35°C 91°F33°C 88°F31°C 84°F29°C 81°F27°C 80°F27°C 79°F26°C 78°F26°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1%
67°F19°C 67°F19°C 66°F19°C 66°F19°C 66°F19°C 66°F19°C 67°F19°C 69°F21°C 70°F21°C 69°F21°C 67°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 65°F18°C 66°F19°C 67°F19°C 68°F20°C 70°F21°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C
84% 87% 87% 87% 84% 84% 71% 63% 54% 47% 40% 35% 33% 31% 29% 34% 39% 46% 52% 63% 72% 74% 79% 82%
S SSE SSE SSE S S SSE SW SW SW SW SW SSE SSE S S S S S S S S S S
3 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 5 mph 5 mph
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 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KMDH model statistics.

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Prob Precip % = Probability of Precipitation.

Fountain Bluff 36 Hour Forecast

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

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