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


Grigg, IL Weather Forecast


Grigg, IL Weather Forecast Dated: 417 AM Fri Sep 04 2026
Expect a hot stretch with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
103°F 39°C
Partly Cloudy
Early-Evening
96°F 36°C
Overcast
Scorching hot near 103°F 39°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the W to the WSW at 9 mph 14 km/h.
Saturday, September 5, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
106°F 41°C
Overcast
Early-Evening
95°F 35°C
Sunny
Sweltering heat reaching 106°F 41°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds switching from the W to the NW at 6 mph 10 km/h.
Sunday, September 6, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
85°F 29°C
Sunny
Sizzling hot with 96°F 36°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NE to the ENE at 14 mph 22 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot temperatures near 95°F 35°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the E at 8 mph 12 km/h.
Tuesday, September 8, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
105°F 41°C
Sunny
Early-Evening
98°F 37°C
Sunny
Scorching hot near 105°F 41°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds blowing from the SSW at 7 mph 11 km/h.
Wednesday, September 9, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
106°F 41°C
Sunny
Early-Evening
98°F 37°C
Sunny
Sweltering heat reaching 106°F 41°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds WSW at 9 mph 15 km/h. Gusts up to 22 mph 35 km/h.
Thursday, September 10, 2026
Mid-Morning
85°F 30°C
Partly Cloudy
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
97°F 36°C
Sunny
Dangerously hot temperatures around 104°F 40°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds switching from the SW to the SSW at 10 mph 16 km/h.
Friday, September 11, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
101°F 39°C
Overcast
Early-Evening
95°F 35°C
Partly Cloudy
Dangerously hot with a high of 101°F 39°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds moving from the SW to the SSW at 11 mph 18 km/h. Gusts up to 20 mph 31 km/h.
Saturday, September 12, 2026
Mid-Morning
90°F 32°C
Cloudy
Mid-Afternoon
100°F 38°C
Partly Cloudy
Early-Evening
93°F 34°C
Overcast
Scorching hot near 100°F 38°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds SW at 14 mph 22 km/h.
Sunday, September 13, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
92°F 34°C
Partly Cloudy
Sweltering heat reaching 101°F 38°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SSW to the W at 19 mph 30 km/h. Gusts up to 27 mph 44 km/h.
Monday, September 14, 2026
Mid-Morning
74°F 23°C
Light Fog
Mid-Afternoon
82°F 28°C
Scattered Showers
Early-Evening
78°F 26°C
Scattered Showers
Quite warm reaching 82°F 28°C, feeling like 85°F 29°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the W to the S at 8 mph 13 km/h.
Tuesday, September 15, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
86°F 31°C
Overcast
Very hot with a high of 93°F 34°C, feeling closer to 97°F 36°C in the humidity, locally heavy downpours at times, with lower humidity and steady pressure. Winds SW at 15 mph 25 km/h. Gusts up to 20 mph 32 km/h.
Wednesday, September 16, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
93°F 34°C
Cloudy
Scorching hot near 100°F 38°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the SSW at 17 mph 27 km/h.
Thursday, September 17, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
79°F 26°C
Sunny
Hot and sweltering around 98°F 37°C (heat index 101°F 38°C), sunny through the afternoon, turning overcast this evening, with increasing humidity and steady pressure. Winds swinging from the SSW to the NNW at 8 mph 13 km/h.
Grigg, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World