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Decatur (United States of America) weather
Find a forecast
Nearest forecast to your detected location
Forecast days
-
5° Maximum daytime temperature: 5° Celsius; -5° Minimum nighttime temperature: -5° Celsius;
Sunrise:
Sunset:
Overcast changing to light snow by early evening.L UVNo pollution data.No pollen data.5° Maximum daytime temperature: 5° Celsius; -5° Minimum nighttime temperature: -5° Celsius; -
-3° Maximum daytime temperature: -3° Celsius; -6° Minimum nighttime temperature: -6° Celsius;
Sunrise:
Sunset:
Overcast.L UVNo pollution data.No pollen data.-3° Maximum daytime temperature: -3° Celsius; -6° Minimum nighttime temperature: -6° Celsius; -
-1° Maximum daytime temperature: -1° Celsius; -10° Minimum nighttime temperature: -10° Celsius;
Sunrise:
Sunset:
Overcast changing to sunny intervals by late morning.L UVNo pollution data.No pollen data.-1° Maximum daytime temperature: -1° Celsius; -10° Minimum nighttime temperature: -10° Celsius; -
-6° Maximum daytime temperature: -6° Celsius; -9° Minimum nighttime temperature: -9° Celsius;
Sunrise:
Sunset:
Sunny changing to partly cloudy by early evening.M UVNo pollution data.No pollen data.-6° Maximum daytime temperature: -6° Celsius; -9° Minimum nighttime temperature: -9° Celsius; -
1° Maximum daytime temperature: 1° Celsius; -2° Minimum nighttime temperature: -2° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by early evening.M UVNo pollution data.No pollen data.1° Maximum daytime temperature: 1° Celsius; -2° Minimum nighttime temperature: -2° Celsius; -
3° Maximum daytime temperature: 3° Celsius; -3° Minimum nighttime temperature: -3° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by early evening.L UVNo pollution data.No pollen data.3° Maximum daytime temperature: 3° Celsius; -3° Minimum nighttime temperature: -3° Celsius; -
1° Maximum daytime temperature: 1° Celsius; -4° Minimum nighttime temperature: -4° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by early evening.L UVNo pollution data.No pollen data.1° Maximum daytime temperature: 1° Celsius; -4° Minimum nighttime temperature: -4° Celsius;
Overcast changing to light snow by early evening.
L UV
No pollution data.
No pollen data.
Overcast.
L UV
No pollution data.
No pollen data.
Overcast changing to sunny intervals by late morning.
L UV
No pollution data.
No pollen data.
Sunny changing to partly cloudy by early evening.
M UV
No pollution data.
No pollen data.
Sunny intervals changing to partly cloudy by early evening.
M UV
No pollution data.
No pollen data.
Sunny intervals changing to partly cloudy by early evening.
L UV
No pollution data.
No pollen data.
Sunny intervals changing to partly cloudy by early evening.
L UV
No pollution data.
No pollen data.
7 day forecast for Decatur
Today (16 January 2026)
| Time |
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||
| Chance of precipitation |
<5%
|
20%
|
20%
|
40%
|
70%
|
70%
|
60%
|
30%
|
| Temperature (°C) |
4°
|
3°
|
2°
|
2°
|
1°
|
1°
|
0°
|
0°
|
| Feels like temperature (°C) |
0°
|
-1°
|
-2°
|
-2°
|
-3°
|
-4°
|
-4°
|
-5°
|
| Wind direction and speed (mph) |
WSW
10
|
WSW
10
|
WSW
10
|
WSW
10
|
WSW
10
|
WSW
10
|
W
11
|
W
12
|
| Wind gust (mph) |
20
|
20
|
19
|
20
|
20
|
23
|
25
|
26
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
M
|
M
|
M
|
G
|
| Humidity |
67%
|
73%
|
76%
|
79%
|
88%
|
96%
|
94%
|
88%
|
| UV | 1 | - | - | - | - | - | - | - |
Saturday (17 January 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||||||||||||||||||
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
30%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-1°
|
-2°
|
-3°
|
-3°
|
-4°
|
-4°
|
-4°
|
-5°
|
-5°
|
-5°
|
-4°
|
-4°
|
-4°
|
-3°
|
-4°
|
-4°
|
-4°
|
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-6°
|
-6°
|
| Feels like temperature (°C) |
-7°
|
-8°
|
-8°
|
-9°
|
-10°
|
-10°
|
-10°
|
-10°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-10°
|
-10°
|
-11°
|
-11°
|
-11°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
| Wind direction and speed (mph) |
WNW
12
|
WNW
11
|
WNW
11
|
WNW
11
|
WNW
11
|
WNW
11
|
WNW
10
|
WNW
11
|
WNW
11
|
WNW
12
|
WNW
12
|
WNW
14
|
WNW
14
|
W
14
|
W
14
|
W
14
|
W
14
|
WNW
14
|
WNW
14
|
WNW
13
|
WNW
13
|
WNW
12
|
WNW
12
|
WNW
11
|
| Wind gust (mph) |
25
|
23
|
23
|
23
|
23
|
23
|
22
|
23
|
25
|
26
|
28
|
30
|
30
|
30
|
30
|
29
|
29
|
28
|
27
|
27
|
27
|
25
|
24
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
77%
|
76%
|
78%
|
78%
|
75%
|
74%
|
75%
|
70%
|
68%
|
64%
|
58%
|
50%
|
47%
|
52%
|
52%
|
55%
|
55%
|
55%
|
57%
|
59%
|
59%
|
62%
|
61%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Sunday (18 January 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||||||||||||||||||
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-6°
|
-6°
|
-6°
|
-6°
|
-6°
|
-6°
|
-6°
|
-6°
|
-5°
|
-5°
|
-4°
|
-3°
|
-3°
|
-2°
|
-2°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
| Feels like temperature (°C) |
-12°
|
-12°
|
-12°
|
-12°
|
-12°
|
-11°
|
-11°
|
-11°
|
-11°
|
-11°
|
-10°
|
-10°
|
-9°
|
-8°
|
-8°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-8°
|
-8°
|
| Wind direction and speed (mph) |
WNW
11
|
WNW
11
|
WNW
10
|
W
10
|
W
9
|
W
8
|
WSW
8
|
WSW
7
|
SW
8
|
SW
10
|
SW
12
|
SW
13
|
SW
14
|
SW
14
|
SW
14
|
SW
13
|
SW
12
|
SW
10
|
SW
10
|
SW
9
|
SW
9
|
WSW
10
|
WSW
10
|
W
11
|
| Wind gust (mph) |
23
|
23
|
22
|
20
|
19
|
18
|
16
|
17
|
21
|
25
|
28
|
29
|
29
|
29
|
29
|
27
|
24
|
20
|
17
|
17
|
18
|
20
|
21
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
59%
|
58%
|
57%
|
58%
|
57%
|
57%
|
59%
|
59%
|
56%
|
51%
|
45%
|
43%
|
40%
|
38%
|
36%
|
37%
|
40%
|
44%
|
45%
|
48%
|
50%
|
51%
|
55%
|
57%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Monday (19 January 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||||||||||||||||||
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-3°
|
-3°
|
-4°
|
-6°
|
-7°
|
-8°
|
-9°
|
-9°
|
-10°
|
-9°
|
-9°
|
-8°
|
-8°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-7°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
| Feels like temperature (°C) |
-9°
|
-10°
|
-11°
|
-14°
|
-16°
|
-17°
|
-17°
|
-18°
|
-19°
|
-18°
|
-17°
|
-17°
|
-16°
|
-15°
|
-14°
|
-14°
|
-14°
|
-14°
|
-14°
|
-13°
|
-13°
|
-13°
|
-13°
|
-13°
|
| Wind direction and speed (mph) |
W
12
|
WNW
14
|
WNW
16
|
WNW
18
|
WNW
17
|
NW
16
|
NW
16
|
NW
16
|
NW
16
|
NW
16
|
NW
16
|
NW
16
|
NW
16
|
WNW
15
|
WNW
15
|
WNW
14
|
WNW
13
|
WNW
11
|
WNW
9
|
WNW
8
|
WNW
7
|
WNW
6
|
W
6
|
W
6
|
| Wind gust (mph) |
29
|
32
|
35
|
35
|
34
|
33
|
32
|
31
|
33
|
33
|
34
|
33
|
33
|
33
|
31
|
29
|
26
|
22
|
18
|
16
|
13
|
13
|
13
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
59%
|
60%
|
56%
|
55%
|
53%
|
53%
|
52%
|
50%
|
47%
|
43%
|
41%
|
38%
|
38%
|
35%
|
32%
|
31%
|
33%
|
38%
|
39%
|
41%
|
41%
|
43%
|
44%
|
45%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Tuesday (20 January 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||||||||||||||
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-6°
|
-5°
|
-3°
|
-2°
|
0°
|
0°
|
1°
|
0°
|
0°
|
-1°
|
-1°
|
| Feels like temperature (°C) |
-13°
|
-13°
|
-13°
|
-14°
|
-14°
|
-14°
|
-14°
|
-14°
|
-14°
|
-13°
|
-11°
|
-9°
|
-8°
|
-6°
|
-5°
|
-4°
|
-4°
|
-5°
|
-6°
|
-6°
|
| Wind direction and speed (mph) |
WSW
7
|
WSW
7
|
SW
8
|
SW
8
|
SW
8
|
SW
9
|
SW
9
|
SW
9
|
SW
9
|
SW
10
|
SW
11
|
SW
12
|
SW
13
|
SW
13
|
SW
13
|
SW
12
|
SSW
10
|
SSW
10
|
SSW
11
|
SSW
13
|
| Wind gust (mph) |
14
|
15
|
16
|
17
|
17
|
17
|
18
|
18
|
21
|
25
|
26
|
27
|
28
|
27
|
26
|
24
|
19
|
18
|
25
|
26
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
44%
|
44%
|
44%
|
43%
|
46%
|
48%
|
46%
|
47%
|
45%
|
41%
|
34%
|
28%
|
27%
|
29%
|
30%
|
34%
|
38%
|
42%
|
44%
|
45%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Wednesday (21 January 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||
| Chance of precipitation |
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
0°
|
-1°
|
-1°
|
-1°
|
2°
|
3°
|
0°
|
0°
|
| Feels like temperature (°C) |
-6°
|
-6°
|
-6°
|
-5°
|
-2°
|
-1°
|
-4°
|
-5°
|
| Wind direction and speed (mph) |
SSW
13
|
SW
11
|
SW
10
|
SW
10
|
WSW
12
|
SW
11
|
WSW
8
|
W
8
|
| Wind gust (mph) |
25
|
22
|
22
|
25
|
25
|
21
|
17
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
50%
|
55%
|
67%
|
65%
|
56%
|
55%
|
70%
|
70%
|
| UV | - | - | - | 1 | 2 | 1 | - | - |
Thursday (22 January 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
-1°
|
-2°
|
-2°
|
-2°
|
0°
|
1°
|
-2°
|
-3°
|
| Feels like temperature (°C) |
-5°
|
-7°
|
-7°
|
-7°
|
-5°
|
-4°
|
-7°
|
-8°
|
| Wind direction and speed (mph) |
WNW
8
|
WNW
8
|
NW
8
|
NW
10
|
WNW
11
|
WNW
11
|
W
8
|
W
9
|
| Wind gust (mph) |
17
|
17
|
21
|
27
|
27
|
23
|
20
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
72%
|
71%
|
60%
|
46%
|
44%
|
60%
|
62%
|
| UV | - | - | - | 1 | 2 | 1 | - | - |
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Forecast for 4pm (UTC-6) Friday
Updated 18:26 (UTC) on Fri 16 Jan 2026
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Nearest forecasts
- Springfield Capital 42.5 miles
- Bloomington - Central Illinois 45.0 miles
- Peoria Regional 72.1 miles
- Terre Haute - Hulman Field 87.6 miles
- Greater Kankakee 101 miles
- St Louis 109 miles
- St.Louis - Lambert International 109 miles
- Spirit of St. Louis 125 miles
- Quincy 133 miles
- Aurora Municipal 136 miles
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