DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
6:54 AM CDT APR 28, 2026
Overcast 54°F
Feels Like:	51°F
Dewpoint:	46°F
Rel. Hum.:	74%
Visibility:	10 miles
Wind:	WNW at 10 mph, gusts to 21
Pressure:	29.94 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 cloudy. Cooler with highs in the lower 60s. Northwest winds 10 to 15 mph.

TONIGHT
Showers likely with a slight chance of thunderstorms. Lows in the upper 40s. North winds 5 to 10 mph. Chance of rain 70 percent.

WEDNESDAY
Mostly sunny. Highs in the lower 60s. Northwest winds 15 to 20 mph.

WEDNESDAY NIGHT
Mostly clear. Lows around 40. Northwest winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight.

THURSDAY
Mostly sunny. Highs in the lower 60s. West winds 10 to 15 mph.

THURSDAY NIGHT THROUGH SATURDAY
Partly cloudy. Lows in the upper 30s. Highs in the upper 50s.

SATURDAY NIGHT AND SUNDAY
Mostly clear. Lows around 40. Highs in the upper 60s.

SUNDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.

MONDAY
Partly sunny. Highs around 70.

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 4/27/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
CDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Tuesday
28 APR 2026

1 AM

62°

60°

Mostly Cloudy

0% Thunder
( 3% severe)

W 14

84%

57°

Low 51°

4 AM

55°

52°

Mostly Cloudy

W 13

83%

50°

High 66°

7 AM

52°

48°

Mostly Cloudy

0% Thunder
( 1% severe)

W 12

83%

47°

Mostly Cloudy

10 AM

55°

52°

Mostly Cloudy

WNW 12

74%

47°

1 PM

60°

58°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 8% severe)

WNW 12

64%

48°

4 PM

63°

Mostly Cloudy

NW 7

58%

48°

7 PM

62°

Mostly Cloudy

66%
RAIN
>2 in

0% Thunder
( 19% severe)

NNW 6

62%

49°

10 PM

57°

56°

Mostly Cloudy

NNE 7

75%

49°

Wednesday
29 APR 2026

1 AM

55°

53°

Mostly Cloudy

46%
RAIN
>2 in

0% Thunder
( 9% severe)

N 8

80%

49°

Low 49°

4 AM

52°

48°

Mostly Cloudy

N 10

83%

47°

High 63°

7 AM

50°

46°

Mostly Cloudy

0% Thunder
( 2% severe)

N 12

83%

45°

Partly Cloudy

10 AM

56°

53°

Partly Cloudy

NNW 14

66%

45°

1 PM

59°

56°

Partly Cloudy

0% Thunder
( 2% severe)

NW 16

53%

42°

4 PM

61°

58°

Partly Cloudy

NW 17

44%

39°

7 PM

57°

54°

Partly Cloudy

0% Thunder
( 1% severe)

NNW 14

47%

37°

10 PM

50°

47°

Partly Cloudy

NNW 8

58%

36°


DECATUR, IL extended weather forecast
Thursday 30 APR 2026	Friday 1 MAY 2026	Saturday 2 MAY 2026	Sunday 3 MAY 2026	Monday 4 MAY 2026
Low 41°	Low 41°	Low 37°	Low 40°	Low 49°
High 65°	High 60°	High 58°	High 63°	High 69°

Mostly Cloudy 22% Rain	Overcast 48% Rain	Mostly Cloudy 19% Rain	Partly Cloudy 18% Rain	Mostly Cloudy 31% Rain

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DECATUR, IL 62521 Weather Forecast & Current Conditions

DECATUR, IL Current Weather

DECATUR, IL 62521 Weather Forecast

DECATUR, IL 3 hourly weather forecast

DECATUR, IL extended weather forecast

DECATUR, IL
Current Weather

DECATUR, IL 62521
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