Weather Alert
National Park Weather Warning NWS WEATHER ALERT FOR THE NATIONAL PARK, IL AREA - FLOOD WARNING Issued: 404 AM CDT Sun Aug 2 2026 National Park Weather Warning

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National Park, IL Weather - Hour by Hour Forecast

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National Park, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 69°F21°C, dew point 66°F19°C, humidity 89%. Wind direction is NNE at 12 mph19 km/h with visibility of 10 mi16 km. Barometric pressure is 29.86 in1011 mb.
Morning - Mostly cloudy. Temperatures in the upper 60s. North winds 10 to 15 mph... Full Forecast
Today - Mostly cloudy in the morning, then becoming partly cloudy. Humid. Highs in the mid 70s. North winds 10 to 15 mph with gusts up to .. Full Forecast

National Park Hourly Weather

24 Hour Forecast Scroll
Sun, Aug 02
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National Park, IL Hourly Weather - Cloudy - 7:00 AM National Park, IL Hourly Weather - Cloudy - 8:00 AM National Park, IL Hourly Weather - Mostly Cloudy - 9:00 AM National Park, IL Hourly Weather - Mostly Cloudy - 10:00 AM National Park, IL Hourly Weather - Mostly Cloudy - 11:00 AM National Park, IL Hourly Weather - Cloudy - 12:00 PM National Park, IL Hourly Weather - Cloudy - 1:00 PM National Park, IL Hourly Weather - Cloudy - 2:00 PM National Park, IL Hourly Weather - Mostly Cloudy - 3:00 PM National Park, IL Hourly Weather - Mostly Cloudy - 4:00 PM National Park, IL Hourly Weather - Mostly Cloudy - 5:00 PM National Park, IL Hourly Weather - Clear - 6:00 PM National Park, IL Hourly Weather - Clear - 7:00 PM National Park, IL Hourly Weather - Clear - 8:00 PM National Park, IL Hourly Weather - Clear - 9:00 PM National Park, IL Hourly Weather - Clear - 10:00 PM National Park, IL Hourly Weather - Clear - 11:00 PM National Park, IL Hourly Weather - Clear - 12:00 AM National Park, IL Hourly Weather - Clear - 1:00 AM National Park, IL Hourly Weather - Clear - 2:00 AM National Park, IL Hourly Weather - Clear - 3:00 AM National Park, IL Hourly Weather - Clear - 4:00 AM National Park, IL Hourly Weather - Clear - 5:00 AM National Park, IL Hourly Weather - Clear - 6:00 AM
Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
71°F22°C 72°F22°C 72°F22°C 73°F23°C 74°F23°C 75°F24°C 76°F24°C 76°F24°C 75°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 66°F19°C 66°F19°C
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3% 3% 3% 3% 3% 3% 3% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 1% 1% 1% 1% 1%
65°F18°C 65°F18°C 65°F18°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C
81% 79% 79% 76% 74% 69% 66% 66% 69% 69% 71% 71% 73% 76% 76% 79% 81% 81% 84% 87% 87% 90% 87% 87%
NNE NNE N N N N N SE SSW N SSW SE N N NNE NNE NNE NNE NNE NE NE NE NE NE
9 mph 9 mph 11 mph 11 mph 11 mph 12 mph 12 mph 12 mph 13 mph 13 mph 13 mph 10 mph 10 mph 10 mph 4 mph 4 mph 4 mph 2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 2 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
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.

National Park 36 Hour Forecast

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

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