DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
3:54 AM CDT APR 10, 2026
Overcast 64°F
Feels Like:	62°F
Dewpoint:	46°F
Rel. Hum.:	52%
Visibility:	10 miles
Wind:	SSW at 17 mph, gusts to 26
Pressure:	30.10 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
Cloudy with a slight chance of thunderstorms. Showers likely, mainly this morning. Much cooler with highs in the mid 60s. West winds 10 to 15 mph, becoming north this afternoon. Chance of rain 60 percent.

TONIGHT
Partly cloudy in the evening, then clearing. Cooler with lows in the mid 40s. Northeast winds 5 to 10 mph.

SATURDAY
Mostly sunny in the morning, then becoming mostly cloudy. Highs in the mid 60s. East winds around 10 mph.

SATURDAY NIGHT
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 mostly cloudy with a chance of showers in the afternoon. Windy and not as cool with highs in the upper 70s. South winds 20 to 30 mph. Chance of rain 40 percent.

SUNDAY NIGHT
Showers likely, mainly in the evening. Breezy with lows in the lower 60s. Chance of rain 60 percent.

MONDAY
Mostly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.

MONDAY NIGHT
A chance of showers in the evening. Mostly cloudy. Lows in the mid 60s. Chance of rain 30 percent.

TUESDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Breezy with highs in the lower 80s. Chance of rain 50 percent.

TUESDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.

WEDNESDAY AND WEDNESDAY NIGHT
Mostly cloudy. A chance of showers. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50 percent.

THURSDAY
Partly sunny with a 40 percent chance of showers. Highs in the upper 70s.

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/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
10 APR 2026

1 AM

63°

61°

Partly Cloudy

54%
RAIN
>2 in

0% Thunder
( 16% severe)

SSW 16

56%

47°

Low 58°

4 AM

62°

60°

Mostly Cloudy

SSW 16

60%

48°

High 65°

7 AM

59°

57°

Mostly Cloudy

68%
RAIN
***

0% Thunder
( 13% severe)

SW 13

78%

52°

Mostly Cloudy

Rain Likely

10 AM

61°

59°

Mostly Cloudy

W 14

78%

54°

1 PM

62°

60°

Mostly Cloudy

34%
RAIN
.01–.1 in

0% Thunder
( 7% severe)

NNW 14

72%

53°

4 PM

61°

59°

Mostly Cloudy

N 12

65%

49°

7 PM

58°

56°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

NNE 9

64%

46°

10 PM

52°

49°

Partly Cloudy

NE 8

77%

45°

Saturday
11 APR 2026

1 AM

48°

44°

Partly Cloudy

5%

0% Thunder
( 1% severe)

ENE 9

80%

42°

Low 42°

4 AM

45°

40°

Partly Cloudy

ENE 9

79%

39°

High 66°

7 AM

43°

37°

Partly Cloudy

9%

0% Thunder
( 3% severe)

E 10

82%

38°

Mostly Cloudy

10 AM

52°

48°

Mostly Cloudy

E 12

66%

41°

1 PM

59°

57°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 9% severe)

ESE 12

60%

45°

4 PM

63°

62°

Mostly Cloudy

SE 10

60%

49°

7 PM

63°

62°

Mostly Cloudy

5%

0% Thunder
( 4% severe)

SE 9

65%

51°

10 PM

60°

58°

Mostly Cloudy

SE 12

75%

52°


DECATUR, IL extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 44°	Low 55°	Low 57°	Low 60°	Low 61°
High 65°	High 76°	High 78°	High 77°	High 71°

Overcast 24% Rain	Overcast 43% Rain	Overcast 47% Rain	Overcast 42% Rain	Overcast 53% Rain

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