Weather Alert
National Park Weather Warning NWS WEATHER ALERT FOR THE NATIONAL PARK, IL AREA - Issued: 139 PM CDT Mon Aug 10 2026 National Park Weather Warning

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National Park, IL Weather Forecast

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National Park, IL Weather Forecast

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National Park IL weather - Lightning Observed - 75°F
Lightning Observed
75°F
Updated 12:48 am
Feels Like 81°F
Humidity 90%
Wind SSE 3 mph
Barometer  29.98 in
Dew Point 72°F
National Park IL weather - Lightning Observed - 24°C
Lightning Observed
24°C
Updated 12:48 am
Feels Like 27°C
Humidity 90%
Wind SSE 5 km/h
Barometer  101.5 kPa
Dew Point 22°C
WX Settings

National Park Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
National Park, IL Weather - Tonight Chance Of T-Storm National Park, IL Weather - Tuesday Chance Of T-Storm National Park, IL Weather - Tuesday Night Chance Of T-Storm National Park, IL Weather - Wednesday Chance Of T-Storm National Park, IL Weather - Wednesday Night Chance Of Showers National Park, IL Weather - Thursday Chance Of T-Storm National Park, IL Weather - Thursday Night Chance Of T-Storm National Park, IL Weather - Friday Chance Of Showers National Park, IL Weather - Friday Night Chance Of T-Storm National Park, IL Weather - Saturday Chance Of T-Storm National Park, IL Weather - Saturday Night Chance Of T-Storm National Park, IL Weather - Sunday Chance Of Showers
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of T-Storm Chance of T-Storm Chance of Showers Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers
Lo: 69°FLo: 21°C Hi: 80°FHi: 27°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 69°FLo: 21°C Hi: 79°FHi: 26°C
 Lo: 65°FLo: 18°C Hi: 75°FHi: 24°C
 Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
 Lo: 69°FLo: 21°C Hi: 80°FHi: 27°C
POP: 40% POP: 90% POP: 40% POP: 50% POP: 20% POP: 50% POP: 40% POP: 30% POP: 50% POP: 50% POP: 60% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 851 PM CDT Mon Aug 10 2026 National Park, IL Weather - WeatherWorld.com

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