Arthur, IL 14 Day Weather - 61911 WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon


Arthur, IL Weather Forecast


Arthur, IL Weather Forecast Dated: 945 AM Fri Sep 04 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.
Friday, September 4, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
92°F 34°C
Overcast
Sizzling hot near 97°F 36°C with a heat index reaching 102°F 39°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the S at 9 mph 14 km/h.
Saturday, September 5, 2026
Mid-Morning
84°F 29°C
Partly Cloudy
Mid-Afternoon
92°F 33°C
Nearby Thunderstorms
Early-Evening
81°F 27°C
Sunny
Hot and sweltering around 92°F 33°C (heat index 98°F 37°C), locally heavy thunderstorms at times, with increasing humidity and steady pressure. Winds switching from the W to the NE at 11 mph 18 km/h.
Sunday, September 6, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds ENE at 14 mph 22 km/h. Gusts up to 22 mph 35 km/h.
Monday, September 7, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Partly Cloudy
Warm temperatures up to 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the ENE at 10 mph 16 km/h.
Tuesday, September 8, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
88°F 31°C
Sunny
Very hot with a high of 95°F 35°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds blowing from the S at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Wednesday, September 9, 2026
Mid-Morning
81°F 27°C
Cloudy
Mid-Afternoon
96°F 35°C
Partly Cloudy
Early-Evening
81°F 28°C
Partly Cloudy
Very hot with temperatures reaching 96°F 35°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the SW to the N at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.
Thursday, September 10, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
70°F 22°C
Overcast
Comfortable with temperatures reaching 78°F 26°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the NNE to the NE at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
57°F 14°C
Heavy Rain
Mid-Afternoon
58°F 15°C
Light Showers
Early-Evening
59°F 15°C
Light Fog
Cool with a high near 58°F 15°C, showers lingering into the afternoon before clearing, with steady humidity and steady pressure. Winds moving from the S to the E at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
60°F 15°C
Light Showers
Mid-Afternoon
66°F 19°C
Light Showers
Early-Evening
67°F 20°C
Scattered Showers
Refreshing around 66°F 19°C, locally heavy downpours at times, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
71°F 22°C
Fog
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
69°F 21°C
Scattered Showers
Warm and summery around 81°F 27°C (feels like 84°F 29°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds increasing from the W at 3 mph 5 km/h to SE at 14 mph 23 km/h. Gusts up to 24 mph 37 km/h.
Monday, September 14, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
61°F 17°C
Sunny
Comfortable at 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the NE to the E at 6 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
69°F 21°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SE to the W at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
92°F 34°C
Sunny
Sizzling hot with 99°F 37°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds switching from the SSW to the S at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.
Thursday, September 17, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
97°F 36°C
Partly Cloudy
Early-Evening
79°F 26°C
Sunny
Hot temperatures near 97°F 36°C, scattered downpours possible, with increasing humidity and steady pressure. Winds out of the WSW at 11 mph 18 km/h.
Arthur, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World