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Irwin, MO 14 Day Weather - WeatherWorld.com
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Irwin, MO Weather Forecast
Irwin, MO Weather Forecast Dated: 503 PM Sun Sep 06 2026
Expect a hot stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Sunday, September 6, 2026
Mid-Morning
82°F 28°C
Cloudy
Mid-Afternoon
99°F 37°C
Cloudy
Early-Evening
88°F 31°C
Scattered Showers
Sizzling hot near 99°F 37°C with a heat index reaching 103°F 40°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the SSE to the E at 8 mph 13 km/h.
Monday, September 7, 2026
Mid-Morning
78°F 26°C
Partly Cloudy
Mid-Afternoon
100°F 38°C
Partly Cloudy
Early-Evening
94°F 35°C
Sunny
Sweltering heat reaching 100°F 38°C, partly cloudy throughout the day, with lower humidity and steady pressure. Winds switching from the SE to the SSE at 13 mph 20 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, September 8, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
104°F 40°C
Overcast
Early-Evening
95°F 35°C
Sunny
Dangerously hot temperatures around 104°F 40°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds SW at 10 mph 17 km/h. Gusts up to 22 mph 36 km/h.
Wednesday, September 9, 2026
Mid-Morning
87°F 31°C
Partly Cloudy
Mid-Afternoon
105°F 41°C
Light Showers
Early-Evening
80°F 27°C
Scattered Showers
Dangerously hot with a high of 105°F 41°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the SW to the SSE at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
85°F 30°C
Overcast
Very hot with a high of 91°F 33°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the NE to the ENE at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
78°F 25°C
Partly Cloudy
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
89°F 32°C
Partly Cloudy
Very hot with temperatures reaching 94°F 34°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the WSW at 12 mph 19 km/h.
Saturday, September 12, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
93°F 34°C
Sunny
Hot and sweltering around 96°F 36°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SW to the S at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
94°F 34°C
Sunny
Dangerously hot with a high of 101°F 38°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the SSW to the S at 19 mph 31 km/h. Gusts up to 29 mph 46 km/h.
Monday, September 14, 2026
Mid-Morning
83°F 29°C
Partly Cloudy
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
82°F 28°C
Overcast
Hot temperatures near 97°F 36°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with increasing humidity and steady pressure. Winds swinging from the SW to the SE at 13 mph 20 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, September 15, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
88°F 31°C
Scattered Showers
Early-Evening
79°F 26°C
Overcast
Very warm with a high of 88°F 31°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the NE to the ENE at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Wednesday, September 16, 2026
Mid-Morning
72°F 22°C
Light Showers
Mid-Afternoon
80°F 27°C
Light Showers
Early-Evening
76°F 25°C
Light Showers
Quite warm reaching 80°F 27°C, feeling like 83°F 28°C during peak afternoon, persistent showers off and on through the day, with steady humidity and steady pressure. Winds turning from the SSE to the SE at 5 mph 8 km/h.
Thursday, September 17, 2026
Mid-Morning
67°F 20°C
Light Showers
Mid-Afternoon
74°F 24°C
Light Showers
Early-Evening
74°F 24°C
Light Showers
Comfortable with temperatures reaching 74°F 24°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds ENE at 11 mph 18 km/h.
Friday, September 18, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
81°F 27°C
Light Showers
Warm and summery around 81°F 27°C (feels like 85°F 29°C), periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds moving from the SSW to the S at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
78°F 26°C
Partly Cloudy
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
84°F 29°C
Overcast
Quite warm reaching 88°F 31°C, feeling like 91°F 33°C during peak afternoon, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the SSW to the S at 16 mph 24 km/h. Gusts up to 31 mph 50 km/h.
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