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Sam Parr State Park, IL 14 Day Weather
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Sam Parr State Park, IL Weather Forecast
Sam Parr State Park, IL Weather Forecast Dated: 545 PM Mon Aug 31 2026 (Sam Parr State Park Time)
Expect a hot stretch with plenty of sunshine and mostly dry weather over the next two weeks. moderate humidity and no major pressure swings will dominate.
Monday, August 31, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from SW to SSE at 7 mph 12 km/h.
Tuesday, September 1, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
91°F 33°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from WSW to S at 8 mph 12 km/h.
Wednesday, September 2, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
95°F 35°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling. Winds shifting from WSW to SSE at 9 mph 15 km/h.
Thursday, September 3, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
91°F 33°C
Partly Cloudy
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from WSW to S at 11 mph 17 km/h.
Friday, September 4, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
89°F 32°C
Partly Cloudy
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from SW to SE at 8 mph 12 km/h.
Saturday, September 5, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Overcast
Early-Evening
79°F 26°C
Overcast
Dangerously hot with overcast skies, increasing humidity and steady pressure. Winds increasing from the SSW at 4 mph 6 km/h to SSE at 17 mph 27 km/h.
Sunday, September 6, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
77°F 25°C
Sunny
Very warm with overcast skies, steady humidity and steady pressure. Winds shifting from ENE to E at 10 mph 16 km/h.
Monday, September 7, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
75°F 24°C
Overcast
Warm with overcast skies, steady humidity and steady pressure. Winds shifting from E to ESE at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
87°F 31°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from S to NNE at 8 mph 12 km/h.
Wednesday, September 9, 2026
Mid-Morning
80°F 27°C
Scattered Showers
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
82°F 28°C
Overcast
Hot with mostly cloudy skies in the morning, then partly sunny for the afternoon and evening, steady humidity and steady pressure. Winds increasing from the NNE at 5 mph 8 km/h to ENE at 13 mph 20 km/h.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds E at 7 mph 12 km/h.
Friday, September 11, 2026
Mid-Morning
75°F 24°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Light Showers
Early-Evening
85°F 29°C
Scattered Showers
Hot with a mix of sun and clouds, lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
79°F 26°C
Partly Cloudy
Mid-Afternoon
98°F 36°C
Sunny
Early-Evening
88°F 32°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds SE at 8 mph 13 km/h.
Sunday, September 13, 2026
Mid-Morning
84°F 29°C
Overcast
Mid-Afternoon
100°F 38°C
Scattered Showers
Early-Evening
93°F 34°C
Sunny
Dangerously hot with a mix of sun and clouds, steady humidity and steady pressure. A few spotty showers; otherwise dry. Winds shifting from SW to SSE at 9 mph 15 km/h.
Sam Parr State Park, IL Weather Radar Map
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