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Rio Weather Warning NWS WEATHER ALERT FOR THE RIO, IL AREA - Issued: 530 AM CDT Fri Sep 4 2026 Rio Weather Warning

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Rio, IL Weather - Hour by Hour Forecast

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Rio, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 90°F32°C, dew point 75°F24°C, humidity 61%. Wind direction is WNW at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.99 in1016 mb.
Rest of Today - Sunny, hot with highs in the mid 90s. West winds 5 to 10 mph. Heat index values up to 107... Full Forecast
Tonight - Partly cloudy in the evening, then mostly clear with a slight chance of showers after midnight. Humid with lows in the lower 70s. .. Full Forecast

Rio Hourly Weather

24 Hour Forecast Scroll
Fri, Sep 04
11:00 am
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Rio, IL Hourly Weather - Clear - 11:00 AM Rio, IL Hourly Weather - Mostly Clear - 12:00 PM Rio, IL Hourly Weather - Mostly Clear - 1:00 PM Rio, IL Hourly Weather - Mostly Clear - 2:00 PM Rio, IL Hourly Weather - Clear - 3:00 PM Rio, IL Hourly Weather - Clear - 4:00 PM Rio, IL Hourly Weather - Clear - 5:00 PM Rio, IL Hourly Weather - Clear - 6:00 PM Rio, IL Hourly Weather - Clear - 7:00 PM Rio, IL Hourly Weather - Clear - 8:00 PM Rio, IL Hourly Weather - Mostly Clear - 9:00 PM Rio, IL Hourly Weather - Mostly Clear - 10:00 PM Rio, IL Hourly Weather - Mostly Clear - 11:00 PM Rio, IL Hourly Weather - Partly Cloudy - 12:00 AM Rio, IL Hourly Weather - Partly Cloudy - 1:00 AM Rio, IL Hourly Weather - Partly Cloudy - 2:00 AM Rio, IL Hourly Weather - Partly Cloudy - 3:00 AM Rio, IL Hourly Weather - Partly Cloudy - 4:00 AM Rio, IL Hourly Weather - Partly Cloudy - 5:00 AM Rio, IL Hourly Weather - Mostly Clear - 6:00 AM Rio, IL Hourly Weather - Mostly Clear - 7:00 AM Rio, IL Hourly Weather - Mostly Clear - 8:00 AM Rio, IL Hourly Weather - Clear - 9:00 AM Rio, IL Hourly Weather - Clear - 10:00 AM
Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Clear Clear
91°F33°C 94°F34°C 96°F36°C 96°F36°C 96°F36°C 96°F36°C 94°F34°C 91°F33°C 89°F32°C 86°F30°C 83°F28°C 80°F27°C 78°F26°C 76°F24°C 74°F23°C 73°F23°C 73°F23°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 76°F24°C 81°F27°C 85°F29°C
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5% 5% 5% 0% 0% 0% 0% 0% 0% 6% 6% 6% 6% 6% 6% 17% 17% 17% 17% 17% 17% 3% 3% 3%
73°F23°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 70°F21°C 71°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 69°F21°C 70°F21°C 71°F22°C
56% 48% 43% 43% 42% 42% 46% 52% 57% 63% 67% 74% 77% 79% 82% 84% 82% 84% 84% 87% 87% 79% 69% 63%
SSW SSW SSW SSW SSW SSW S SE E E ESE SE SE SSE S S SSE SW SW SSW SSW S E N
8 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 5 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 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KGBG model statistics.

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Prob Precip % = Probability of Precipitation.

Rio 36 Hour Forecast

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

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