Weather Alert
Riverview Park Alton Weather Warning NWS WEATHER ALERT FOR THE RIVERVIEW PARK ALTON, IL AREA - Issued: 234 AM CDT Wed Sep 2 2026 Riverview Park Alton Weather Warning

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Riverview Park Alton, IL Weather - Hour by Hour Forecast

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Riverview Park Alton, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 74°F24°C, dew point 70°F21°C, humidity 87%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.03 in1017 mb.
Today - Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph... Full Forecast
Tonight - Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 104 early in the evening... Full Forecast

Riverview Park Alton Hourly Weather

24 Hour Forecast Scroll
Wed, Sep 02
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Noon
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Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 6:00 AM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 7:00 AM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 8:00 AM Riverview Park Alton, IL Hourly Weather - Mostly Clear - 9:00 AM Riverview Park Alton, IL Hourly Weather - Mostly Clear - 10:00 AM Riverview Park Alton, IL Hourly Weather - Mostly Clear - 11:00 AM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 12:00 PM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 1:00 PM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 2:00 PM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 3:00 PM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 4:00 PM Riverview Park Alton, IL Hourly Weather - Partly Cloudy - 5:00 PM Riverview Park Alton, IL Hourly Weather - Mostly Clear - 6:00 PM Riverview Park Alton, IL Hourly Weather - Mostly Clear - 7:00 PM Riverview Park Alton, IL Hourly Weather - Mostly Clear - 8:00 PM Riverview Park Alton, IL Hourly Weather - Clear - 9:00 PM Riverview Park Alton, IL Hourly Weather - Clear - 10:00 PM Riverview Park Alton, IL Hourly Weather - Clear - 11:00 PM Riverview Park Alton, IL Hourly Weather - Clear - 12:00 AM Riverview Park Alton, IL Hourly Weather - Clear - 1:00 AM Riverview Park Alton, IL Hourly Weather - Clear - 2:00 AM Riverview Park Alton, IL Hourly Weather - Clear - 3:00 AM Riverview Park Alton, IL Hourly Weather - Clear - 4:00 AM Riverview Park Alton, IL Hourly Weather - Clear - 5:00 AM
Partly Cloudy Partly Cloudy Partly Cloudy 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 Clear Clear Clear Clear Clear Clear Clear
74°F23°C 74°F23°C 80°F27°C 86°F30°C 92°F33°C 94°F34°C 97°F36°C 99°F37°C 99°F37°C 99°F37°C 99°F37°C 96°F36°C 92°F33°C 89°F32°C 87°F31°C 84°F29°C 82°F28°C 81°F27°C 80°F27°C 79°F26°C 77°F25°C 76°F24°C 74°F23°C 73°F23°C
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0% 0% 2% 2% 2% 2% 2% 2% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% 3% 3% 3% 3%
69°F21°C 69°F21°C 70°F21°C 72°F22°C 73°F23°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 70°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C
84% 84% 72% 63% 54% 51% 45% 42% 41% 39% 38% 42% 47% 52% 57% 63% 69% 72% 77% 79% 82% 82% 84% 84%
S S SSE SW SW SW SW SW SSE SSE S S S SSE SSE SSE SSE S S S S S S S
6 mph 6 mph 6 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 4 mph 4 mph 4 mph 3 mph 3 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 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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POP = Probability of Precipitation. ** Indicates missing data/values from KALN model statistics.

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Prob Precip % = Probability of Precipitation.

Riverview Park Alton 36 Hour Forecast

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

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