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Mount Olive, IL

61°F
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Mount Olive

Illinois

61°
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Mount Olive, 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

January

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

2027

2025 2026 2027

10-Day

S
M
T
W
T
F
S
27
Times of clouds and sun
33°
18°
28
Partly sunny
33°
17°
29
Times of clouds and sun
32°
22°
30
Mostly cloudy
33°
19°
31
Cloudy with a bit of snow
33°
16°
1
Cloudy with a little snow
34°
11°
2
Cloudy with passing flurries
32°
12°
3
Cold with some sun
28°
18°
4
A bit of afternoon snow
32°
29°
5
Snow and rain in the p.m.
35°
29°
6
Rain; some ice mixed in early
40°
17°
7
A little ice, then rain
42°
14°
8
Cloudy, windy and colder
34°
15°
9
Mostly sunny
29°
16°
10
Mostly cloudy, afternoon snow
32°
13°
11
Cloudy
32°
12°
12
Mostly sunny and cold
28°
11°
13
Cold with clouds and sun
26°
12°
14
Mostly sunny
30°
13°
15
Mostly sunny
28°
14°
16
Plenty of sun
30°
16°
17
Mostly sunny
34°
14°
18
Cloudy, a bit of snow; windy
31°
13°
19
Very windy; a little snow
30°
13°
20
Remaining cloudy
29°
15°
21
Partly sunny
32°
23°
22
Clouds and sun
33°
28°
23
Rain; some ice early; windy
39°
27°
24
Rain; some ice mixed in early
41°
28°
25
A wintry mix in the morning
40°
24°
26
Mostly cloudy
38°
26°
27
Mainly cloudy
39°
26°
28
Snow and rain in the p.m.
40°
25°
29
Snow and rain
37°
21°
30
Decreasing clouds
34°
19°
31
Cloudy with a little snow
31°
9°
1
Very windy; cloudy and cold
28°
21°
2
Hist. Avg.
40°
22°
3
Hist. Avg.
40°
22°
4
Hist. Avg.
40°
23°
5
Hist. Avg.
41°
23°
6
Hist. Avg.
41°
23°

Temperature Graph

°F
50° 40° 30° 20° 10° Jan
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

January Weather in Mount Olive

Mount Olive's January 2027 forecast shows daily high temperatures ranging from 26° to 42°, with overnight lows between 9° and 29°. The average high for January is 33° with an average low of 18°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Mount Olive. See also: February | March | April.

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World North America United States Illinois Mount Olive

Weather Near Mount Olive:

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