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 29, 2026
Clear 52°F
Feels Like:	49°F
Dewpoint:	43°F
Rel. Hum.:	71%
Visibility:	10 miles
Wind:	NW at 9 mph
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 sunny. Highs in the lower 60s. Northwest winds 15 to 20 mph.

TONIGHT
Mostly clear. Cooler with lows in the upper 30s. 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. Northwest winds 10 to 15 mph.

THURSDAY NIGHT
Mostly cloudy. Lows in the lower 40s. Northwest winds 5 to 10 mph.

FRIDAY
Mostly sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.

FRIDAY NIGHT AND 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 AND MONDAY
Partly cloudy. A chance of showers. Lows in the upper 40s. Highs in the lower 70s. Chance of rain 30 percent.

MONDAY NIGHT AND TUESDAY
Partly cloudy. Lows in the upper 40s. Highs in the lower 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 4/28/2026

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)

Wednesday
29 APR 2026

1 AM

55°

53°

Mostly Cloudy

63%
RAIN
***

0% Thunder
( 7% severe)

N 8

83%

50°

Low 49°

4 AM

53°

50°

Mostly Cloudy

N 10

86%

49°

High 63°

7 AM

50°

45°

Partly Cloudy

0% Thunder
( 2% severe)

NNW 13

86%

46°

Partly Cloudy

10 AM

57°

54°

Partly Cloudy

NNW 14

64%

45°

1 PM

59°

56°

Partly Cloudy

0% Thunder
( 2% severe)

NW 17

53%

42°

4 PM

61°

58°

Partly Cloudy

NW 17

44%

39°

7 PM

58°

55°

Partly Cloudy

0% Thunder
( 0% severe)

NW 14

45%

37°

10 PM

50°

46°

Clear

NNW 9

58%

36°

Thursday
30 APR 2026

1 AM

45°

42°

Clear

0% Thunder
( 0% severe)

NNW 6

68%

35°

Low 40°

4 AM

42°

40°

Clear

WNW 3

73%

34°

High 63°

7 AM

42°

40°

Clear

0% Thunder
( 1% severe)

WNW 3

76%

35°

Increasing Clouds

10 AM

54°

52°

Clear

NW 8

52%

37°

1 PM

59°

57°

Partly Cloudy

0% Thunder
( 9% severe)

WNW 13

42%

36°

4 PM

61°

59°

Mostly Cloudy

WNW 13

39%

36°

7 PM

57°

55°

Partly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 6% severe)

NW 10

47%

37°

10 PM

50°

47°

Mostly Cloudy

NNW 7

66%

39°


DECATUR, IL extended weather forecast
Friday 1 MAY 2026	Saturday 2 MAY 2026	Sunday 3 MAY 2026	Monday 4 MAY 2026	Tuesday 5 MAY 2026
Low 42°	Low 37°	Low 38°	Low 50°	Low 54°
High 60°	High 59°	High 66°	High 68°	High 70°

Mostly Cloudy 42% Rain	Partly Cloudy 14% Rain	Partly Cloudy 9% Rain	Mostly Cloudy 36% Rain	Overcast 50% 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
Weather Forecast