NimbocastJacksonville, IL Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Jacksonville, Morgan County, Illinois.
Updated Jul 29, 2026, 2:17 PM local time · Radar refreshes every 5 minutes
☀️
Jacksonville
86°F
Wind 7 mph
Humidity 39%
Cloud cover 0%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Jacksonville, IL.
Jacksonville weather radar
Light
Heavy
Next 24 hours
Now
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86°F
3 PM
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87°F
4 PM
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87°F
5 PM
☀️
87°F
6 PM
☀️
86°F
7 PM
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84°F
8 PM
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80°F
9 PM
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76°F
10 PM
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74°F
11 PM
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71°F
12 AM
☀️
70°F
1 AM
☀️
69°F
2 AM
☀️
67°F
3 AM
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65°F
4 AM
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64°F
5 AM
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63°F
6 AM
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62°F
7 AM
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63°F
8 AM
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70°F
9 AM
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75°F
10 AM
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80°F
11 AM
☁️
83°F
12 PM
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86°F
1 PM
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88°F
7-day forecast
Today
Jul 29
⛅
87°F
64°F
1%
Thu
Jul 30
☁️
90°F
62°F
Fri
Jul 31
🌧️
78°F
67°F
75%
Sat
Aug 1
🌦️
70°F
65°F
75%
Sun
Aug 2
☁️
81°F
62°F
12%
Mon
Aug 3
☀️
81°F
59°F
12%
Tue
Aug 4
🌤️
84°F
61°F
10%
Weather near Jacksonville
31 mi
Springfield, IL54 mi
Godfrey, IL55 mi
Macomb, IL57 mi
Upper Alton, IL58 mi
Alton, IL60 mi
Hannibal, MO62 mi
Old Jamestown, MO64 mi
Quincy, IL
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.