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Severe weather returns to central US this weekend with flood potential | Click to see the impacts. Chevron right
Torrential rain in Arthur's wake could lead to more flooding. Click for the forecast. Chevron right

Sawyerville, IL

64°F
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Sawyerville

Illinois

64°
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Sawyerville, 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
Flood Watch

August

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
A shower and thunderstorm
89°
70°
27
Turning cloudy and humid
85°
69°
28
Showers around in the morning
84°
66°
29
Mostly sunny and humid
86°
70°
30
Showers around in the p.m.
90°
71°
31
Humid; a p.m. t-storm or two
89°
70°
1
A shower and thunderstorm
85°
70°
2
A shower and thunderstorm
85°
69°
3
Humid with a t-storm or two
90°
62°
4
Decreasing clouds; less humid
84°
63°
5
Mostly sunny
84°
63°
6
Rain tapering off
83°
64°
7
Partly sunny and humid
84°
63°
8
Partly sunny, showers around
85°
62°
9
Partly sunny
84°
62°
10
Humid with plenty of sunshine
84°
64°
11
Mostly sunny and humid
86°
68°
12
Partly sunny and humid
87°
67°
13
Humid with a t-storm or two
90°
63°
14
Showers around in the morning
83°
64°
15
Considerable cloudiness
82°
67°
16
Humid with some sun
83°
64°
17
A shower and t-storm; humid
85°
61°
18
Humid with sunny spells
83°
62°
19
Humid with clouds and sun
82°
60°
20
Decreasing clouds and humid
82°
61°
21
Mostly sunny and humid
84°
64°
22
Sunny and humid
87°
68°
23
Mostly sunny and humid
88°
67°
24
A t-storm around in the a.m.
89°
67°
25
Mostly sunny and humid
88°
64°
26
A t-storm around in the p.m.
89°
65°
27
A shower and t-storm; humid
88°
66°
28
Humid with a t-storm or two
87°
65°
29
Couple of thunderstorms
85°
62°
30
A couple of morning t-storms
86°
58°
31
Periods of sun; less humid
81°
56°
1
Mostly sunny; low humidity
79°
56°
2
Mostly sunny
79°
57°
3
Thickening clouds
80°
60°
4
Shifting clouds and sun
81°
59°
5
An afternoon t-storm or two
86°
60°

Temperature Graph

°F
90° 82° 74° 66° 58° 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

August Weather in Sawyerville

Sawyerville's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 56° and 71°. The average high for August is 85° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Sawyerville. See also: September | October | November.

Further Ahead

September 2026

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12 hours ago

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World North America United States Illinois Sawyerville

Weather Near Sawyerville:

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