Festus, MO 14 Day Weather - 63019 WeatherWorld.com
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Festus, MO Weather Forecast


Festus, MO Weather Forecast Dated: 254 PM Tue Sep 08 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Tuesday, September 8, 2026
Mid-Morning
74°F 24°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
87°F 30°C
Overcast
Scorching hot near 101°F 38°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.
Wednesday, September 9, 2026
Mid-Morning
80°F 27°C
Scattered Showers
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
79°F 26°C
Scattered Showers
Sweltering temperatures near 101°F 38°C with a heat index of 104°F 40°C, scattered downpours possible, with increasing humidity and steady pressure. Winds turning from the SW to the SSE at 10 mph 15 km/h.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
79°F 26°C
Light Showers
Very warm near 80°F 27°C, though humidity makes it feel like 84°F 29°C, dry most of the day, with showers developing late, with lower humidity and steady pressure. Winds switching from the W to the SSW at 5 mph 8 km/h.
Friday, September 11, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot temperatures near 94°F 34°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
93°F 34°C
Overcast
Early-Evening
82°F 28°C
Overcast
Very hot with a high of 93°F 34°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the WSW to the N at 4 mph 6 km/h.
Sunday, September 13, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
79°F 26°C
Overcast
Very warm near 87°F 31°C, though humidity makes it feel like 90°F 32°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
83°F 29°C
Partly Cloudy
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
89°F 31°C
Partly Cloudy
Hot and sweltering around 98°F 37°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds out of the SW at 10 mph 17 km/h.
Tuesday, September 15, 2026
Mid-Morning
74°F 23°C
Light Fog
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
72°F 22°C
Light Showers
Enjoyable around 77°F 25°C, mainly dry until evening showers arrive, with steady humidity and steady pressure. Winds shifting from the SW to the NE at 3 mph 4 km/h.
Wednesday, September 16, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
81°F 28°C
Sunny
Warm temperatures up to 86°F 30°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.
Thursday, September 17, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
70°F 21°C
Overcast
Mild with a high of 76°F 25°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
89°F 32°C
Partly Cloudy
Early-Evening
80°F 27°C
Cloudy
Warm and summery near 89°F 32°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SSE to the S at 7 mph 12 km/h. Gusts up to 21 mph 33 km/h.
Saturday, September 19, 2026
Mid-Morning
58°F 15°C
Light Showers
Mid-Afternoon
55°F 13°C
Light Showers
Early-Evening
56°F 13°C
Light Showers
Crisp with a high near 55°F 13°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds switching from the N to the NE at 5 mph 7 km/h.
Sunday, September 20, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
70°F 21°C
Partly Cloudy
Early-Evening
62°F 17°C
Sunny
Enjoyable around 70°F 21°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 76°F 24°C, sunny throughout the day, with lower humidity and steady pressure.
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