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Belleville, IL

97°F
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Belleville

Illinois

97°
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Belleville, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Extreme Heat Warning

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January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Humid with a t-storm in spots
97°
75°
27
Mostly sunny; hot and humid
98°
77°
28
Mostly sunny and humid
94°
69°
29
Sunny; pleasant, less humid
88°
64°
30
Partly sunny and pleasant
87°
70°
31
An afternoon shower or two
84°
66°
1
A couple of showers
84°
67°
2
Plenty of sunshine
87°
66°
3
Sunny
88°
68°
4
Sun through high clouds
89°
68°
5
Sun through high clouds
93°
67°
6
Mostly cloudy, afternoon rain
92°
68°
7
Cloudy with a t-storm or two
86°
68°
8
Uninterrupted sunshine
89°
67°
9
Mostly sunny
92°
70°
10
Humid; an afternoon t-storm
91°
70°
11
A shower and t-storm; humid
86°
70°
12
Humid with some sun
91°
69°
13
A thunderstorm in spots
91°
69°
14
Mostly sunny
85°
66°
15
A shower and thunderstorm
86°
69°
16
A shower and thunderstorm
85°
69°
17
Humid with some sunshine
88°
68°
18
Mostly cloudy and humid
87°
69°
19
Cloudy, humid; p.m. t-storms
85°
69°
20
Sunny
84°
67°
21
More sun than clouds
84°
67°
22
Mostly sunny and humid
87°
68°
23
Plenty of sunshine
91°
69°
24
Plenty of sunshine
91°
68°
25
Humid with plenty of sun
89°
69°
26
Mostly sunny; hot, less humid
92°
70°
27
Hot; a little afternoon rain
92°
69°
28
Clouds and sun; hot and humid
91°
69°
29
Mostly cloudy; hot and humid
91°
68°
30
A shower and thunderstorm
90°
67°
31
Cloudy with thunderstorms
85°
65°
1
Mainly cloudy, a little rain
81°
64°
2
Rain becoming steadier
80°
65°
3
Couple of thunderstorms
81°
66°
4
A shower and thunderstorm
85°
66°
5
Sunny, warm and humid
89°
67°

Temperature Graph

°F
100° 92° 84° 76° 68° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

Migraine-April Weather in Belleville

Belleville's Migraine-April 2026 forecast shows daily high temperatures ranging from 80° to 98°, with overnight lows between 64° and 77°. The average high for Migraine-April is 88° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how Migraine-April weather will actually feel in Belleville. See also: September | October | November.

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World North America United States Illinois Belleville

Weather Near Belleville:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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