DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
5:54 AM CDT APR 11, 2026
Clear Mist 39°F
Feels Like:	33°F
Dewpoint:	39°F
Rel. Hum.:	100%
Visibility:	4 miles
Wind:	E at 8 mph
Pressure:	30.38 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Weather Map

(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

TODAY
Mostly sunny this morning, then becoming mostly cloudy. Highs in the mid 60s. East winds 5 to 10 mph.

TONIGHT
Mostly cloudy. Not as cool with lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

SUNDAY
Partly sunny in the morning, then becoming mostly cloudy. Breezy, warmer with highs around 80. South winds 15 to 25 mph with gusts up to 35 mph.

SUNDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Breezy with lows in the mid 60s. Southwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 60 percent.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. Highs in the lower 80s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.

MONDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s.

TUESDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the mid 80s. Chance of rain 40 percent.

TUESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60 percent.

WEDNESDAY
Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70 percent.

WEDNESDAY NIGHT
Showers likely. Lows in the lower 60s. Chance of rain 70 percent.

THURSDAY
Mostly cloudy in the morning. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 60 percent.

THURSDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 50 percent.

FRIDAY
Mostly sunny. A chance of showers in the afternoon. Highs around 80. Chance of rain 40 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 PM EDT 4/10/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
11 APR 2026

1 AM

47°

43°

Partly Cloudy

4%

0% Thunder
( 1% severe)

ENE 8

83%

42°

Low 41°

4 AM

44°

39°

Partly Cloudy

E 9

86%

40°

High 67°

7 AM

42°

36°

Clear

5%

0% Thunder
( 1% severe)

E 10

86%

38°

Increasing Clouds

10 AM

52°

48°

Partly Cloudy

E 12

61%

39°

1 PM

61°

59°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 3% severe)

ESE 12

48%

41°

4 PM

65°

65°

Mostly Cloudy

ESE 12

46%

44°

7 PM

63°

62°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 4% severe)

SE 10

56%

47°

10 PM

60°

58°

Mostly Cloudy

SE 12

67%

49°

Sunday
12 APR 2026

1 AM

59°

57°

Partly Cloudy

5%

0% Thunder
( 4% severe)

SSE 13

75%

51°

Low 58°

4 AM

59°

56°

Partly Cloudy

S 14

80%

53°

High 80°

7 AM

59°

56°

Partly Cloudy

2%

0% Thunder
( 4% severe)

S 14

80%

53°

Mostly Cloudy

Chance of Rain

Breezy

10 AM

70°

70°

Mostly Cloudy

S 18

59%

55°

1 PM

78°

79°

Mostly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 10% severe)

SSW 23

45%

55°

4 PM

78°

79°

Mostly Cloudy

SSW 23

43%

54°

7 PM

74°

74°

Mostly Cloudy

43%
RAIN
1–2 in

0% Thunder
( 11% severe)

SSW 21

48%

53°

10 PM

70°

70°

Mostly Cloudy

SSW 21

53%

52°


DECATUR, IL extended weather forecast
Monday 13 APR 2026	Tuesday 14 APR 2026	Wednesday 15 APR 2026	Thursday 16 APR 2026	Friday 17 APR 2026
Low 61°	Low 62°	Low 63°	Low 55°	Low 53°
High 78°	High 83°	High 76°	High 77°	High 72°

Overcast 56% Rain	Overcast 38% Rain	Overcast 69% Rain	Partly Cloudy 35% Rain	Mostly Cloudy 48% Rain

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