DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
9:54 PM CDT APR 7, 2026
Overcast 43°F
Feels Like:	37°F
Dewpoint:	28°F
Rel. Hum.:	55%
Visibility:	10 miles
Wind:	ESE at 12 mph
Pressure:	30.33 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

62521 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	DECATUR, IL 62521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy. Near steady temperature around 40. Southeast winds 10 to 15 mph.

WEDNESDAY
Partly sunny and breezy. Not as cool with highs in the upper 60s. South winds 15 to 25 mph.

WEDNESDAY NIGHT
Partly cloudy. Not as cool with lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

THURSDAY
Mostly sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

THURSDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. South winds 10 to 15 mph. Chance of rain 40 percent.

FRIDAY
A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 60s. Chance of rain 60 percent.

FRIDAY NIGHT AND SATURDAY
Mostly cloudy. Lows in the mid 40s. Highs in the upper 60s.

SATURDAY NIGHT AND SUNDAY
Mostly cloudy and breezy. Lows in the mid 50s. Highs in the upper 70s.

SUNDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.

MONDAY
Showers likely in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Breezy with highs in the lower 80s. Chance of rain 60 percent.

MONDAY NIGHT AND TUESDAY
Showers likely with a chance of thunderstorms. Lows in the lower 60s. Highs in the upper 70s. Chance of rain 70 percent.

62521 WEATHER SATELLITE LOOPS

Visible Weather Satellite
DECATUR, IL 62521

Infrared Weather Satellite
DECATUR, IL 62521

62521 WEATHER RADAR LOOP

NEXRAD Weather Radar
DECATUR, IL 62521

MOS COMPUTER WEATHER FORECAST

DECATUR, IL 3 hourly weather forecast

weather forecast created 8:00 AM EDT 4/ 7/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
7 APR 2026

1 PM

43°

37°

Mostly Cloudy

8%

0% Thunder
( 0% severe)

E 12

42%

22°

High 48°

4 PM

47°

42°

Mostly Cloudy

E 12

34%

21°

Mostly Cloudy

7 PM

46°

41°

Partly Cloudy

4%

0% Thunder
( 2% severe)

E 10

37%

22°

10 PM

42°

36°

Mostly Cloudy

E 10

48%

24°

Wednesday
8 APR 2026

1 AM

40°

33°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

ESE 12

54%

25°

Low 38°

4 AM

39°

31°

Mostly Cloudy

SE 13

56%

25°

High 69°

7 AM

39°

31°

Mostly Cloudy

1%

0% Thunder
( 1% severe)

SE 14

59%

26°

Mostly Cloudy

Breezy

10 AM

50°

44°

Mostly Cloudy

SSE 16

50%

32°

1 PM

63°

61°

Mostly Cloudy

1%

0% Thunder
( 1% severe)

S 18

39%

38°

4 PM

69°

69°

Partly Cloudy

S 20

36%

41°

7 PM

64°

62°

Partly Cloudy

1%

0% Thunder
( 1% severe)

S 16

46%

43°

10 PM

59°

56°

Partly Cloudy

S 16

57%

44°

Thursday
9 APR 2026

1 AM

57°

53°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 5% severe)

SSW 16

62%

44°

Low 54°

4 AM

56°

52°

Mostly Cloudy

SSW 16

64%

44°

High 74°

7 AM

55°

51°

Partly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 8% severe)

SSW 14

69%

45°

Partly Cloudy

10 AM

63°

61°

Partly Cloudy

SW 15

56%

47°

1 PM

71°

71°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 14% severe)

SW 15

42%

47°

4 PM

73°

73°

Partly Cloudy

SW 13

38%

46°

7 PM

68°

68°

Mostly Cloudy

S 9

47%

47°


DECATUR, IL extended weather forecast
Friday 10 APR 2026	Saturday 11 APR 2026	Sunday 12 APR 2026	Monday 13 APR 2026	Tuesday 14 APR 2026
Low 54°	Low 44°	Low 54°	Low 58°	Low 55°
High 63°	High 64°	High 77°	High 72°	High 75°

Overcast 69% Rain	Overcast 34% Rain	Overcast 37% Rain	Overcast 43% Rain	Overcast 54% Rain

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