NimbocastMattoon, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Mattoon, Coles County, Illinois.
Updated Jul 29, 2026, 2:17 PM local time · Radar refreshes every 5 minutes
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Mattoon
84°F
Wind 9 mph
Humidity 45%
Cloud cover 0%
UV index 8
Alerts 0
Active alerts
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No active National Weather Service alerts for Mattoon, IL.
Mattoon weather radar
Light
Heavy
Next 24 hours
Now
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84°F
3 PM
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85°F
4 PM
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85°F
5 PM
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85°F
6 PM
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84°F
7 PM
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81°F
8 PM
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76°F
9 PM
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73°F
10 PM
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71°F
11 PM
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69°F
12 AM
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67°F
1 AM
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66°F
2 AM
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64°F
3 AM
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63°F
4 AM
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62°F
5 AM
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61°F
6 AM
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61°F
7 AM
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62°F
8 AM
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69°F
9 AM
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75°F
10 AM
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80°F
11 AM
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82°F
12 PM
⛅
84°F
1 PM
🌤️
85°F
7-day forecast
Today
Jul 29
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85°F
58°F
Thu
Jul 30
☁️
87°F
61°F
Fri
Jul 31
🌦️
77°F
64°F
73%
Sat
Aug 1
🌦️
68°F
65°F
76%
Sun
Aug 2
☁️
77°F
62°F
16%
Mon
Aug 3
☀️
79°F
58°F
14%
Tue
Aug 4
☀️
82°F
61°F
20%
Weather near Mattoon
11 mi
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Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
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broadcasts.