DECATUR, IL 62521 Weather Forecast & Current Conditions

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DECATUR, IL
Current Weather

3:54 AM CST FEB 8, 2025
Overcast
34°F
Feels Like: 24°F
Dewpoint: 27°F
Rel. Hum.: 75%
Visibility: 10 miles
Wind: E at 14 mph
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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DECATUR, IL 62521
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Cloudy. Rain likely, mainly this morning. Patchy fog. Highs in the upper 30s. East winds 5 to 10 mph, becoming northwest 10 to 15 mph this afternoon. Chance of rain 70 percent.
TONIGHT
Mostly cloudy. Lows in the mid 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY
Mostly cloudy. Highs in the mid 30s. North winds 5 to 10 mph.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 20s. North winds around 5 mph.
MONDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 30s. Northeast winds around 5 mph.
MONDAY NIGHT
Cloudy. A chance of snow after midnight. Lows in the upper 20s. Chance of snow 30 percent.
TUESDAY
Mostly cloudy. A chance of snow in the morning. Highs in the lower 30s. Chance of snow 40 percent.
TUESDAY NIGHT
Mostly cloudy. Lows in the lower 20s.
WEDNESDAY AND WEDNESDAY NIGHT
Mostly cloudy with snow likely. Light snow accumulation possible. Highs in the lower 30s. Lows 15 to 20. Chance of snow 70 percent.
THURSDAY
Mostly sunny. Highs in the mid 20s.
THURSDAY NIGHT AND FRIDAY
Mostly cloudy. Lows 10 to 15. Highs in the upper 30s.

Visible Weather Satellite
DECATUR, IL 62521
Infrared Weather Satellite
DECATUR, IL 62521
NEXRAD Weather Radar
DECATUR, IL 62521

DECATUR, IL 3 hourly weather forecast

weather forecast created  7:00 PM EST  2/ 7/2025
Saturday
8 FEB 2025
DECATUR, IL 62521 weather forecast Day 1, 0 hours 12 AM 34° 26° Overcast 10%
RAIN
<.01 in
0% Thunder
( 0% severe)
ESE   10 57% 21°
Low 33° DECATUR, IL 62521 weather forecast Day 1, 3 hours 3 AM 35° 27° Mostly Cloudy ESE   10 63% 24°
High 41° DECATUR, IL 62521 weather forecast Day 1, 6 hours 6 AM 34° 25° Mostly Cloudy 58%
RAIN
.5–1 in
0% Thunder
( 3% severe)
ESE   12 78% 28°

Mostly Cloudy

Rain Likely

DECATUR, IL 62521 weather forecast Day 1, 9 hours 9 AM 37° 30° Mostly Cloudy ESE   9 79% 31°
DECATUR, IL 62521 weather forecast Day 1, 12 hours 12 PM 38° 34° Mostly Cloudy 24%
RAIN
.01–.1 in
0% Thunder
( 1% severe)
SE   5 82% 33°
DECATUR, IL 62521 weather forecast Day 1, 15 hours 3 PM 39° 32° Mostly Cloudy NW   12 79% 33°
DECATUR, IL 62521 weather forecast Day 1, 18 hours 6 PM 37° 28° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NW   14 75% 30°
DECATUR, IL 62521 weather forecast Day 1, 21 hours 9 PM 33° 23° Mostly Cloudy NW   14 74% 26°
Sunday
9 FEB 2025
DECATUR, IL 62521 weather forecast Day 2, 0 hours 12 AM 31° 21° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NW   13 71% 23°
Low 26° DECATUR, IL 62521 weather forecast Day 2, 3 hours 3 AM 29° 19° Partly Cloudy NNW   12 70% 21°
High 36° DECATUR, IL 62521 weather forecast Day 2, 6 hours 6 AM 27° 18° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NNW   9 73% 20°

Mostly Cloudy



DECATUR, IL 62521 weather forecast Day 2, 9 hours 9 AM 30° 22° Mostly Cloudy N   9 61% 19°
DECATUR, IL 62521 weather forecast Day 2, 12 hours 12 PM 33° 26° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   8 54% 19°
DECATUR, IL 62521 weather forecast Day 2, 15 hours 3 PM 34° 28° Mostly Cloudy NNW   7 49% 18°
DECATUR, IL 62521 weather forecast Day 2, 18 hours 6 PM 30° 25° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   5 58% 18°
DECATUR, IL 62521 weather forecast Day 2, 21 hours 9 PM 27° 23° Partly Cloudy N   3 63% 17°

DECATUR, IL extended weather forecast

Monday
10 FEB 2025
Tuesday
11 FEB 2025
Wednesday
12 FEB 2025
Thursday
13 FEB 2025
Friday
14 FEB 2025
Low 18° Low 22° Low 19° Low 21° Low 14°
High 38° High 31° High 34° High 27° High 28°
DECATUR, IL 62521 weather forecast Day 3 DECATUR, IL 62521 weather forecast Day 4 DECATUR, IL 62521 weather forecast Day 5 DECATUR, IL 62521 weather forecast Day 6 DECATUR, IL 62521 weather forecast Day 7
Partly Cloudy
9% Snow
Overcast
35% Snow
Overcast
70% Snow
Overcast
57% Snow
Partly Cloudy
12% Snow
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