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 30, 2026
Clear 39°F
Feels Like:	37°F
Dewpoint:	37°F
Rel. Hum.:	92%
Visibility:	10 miles
Wind:	SSW at 3 mph
Pressure:	30.06 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
Sunny. Isolated showers this afternoon. Highs in the lower 60s. West winds 5 to 10 mph. Chance of rain 20 percent.

TONIGHT
Mostly cloudy with scattered showers in the evening, then partly cloudy with isolated showers after midnight. Lows in the lower 40s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.

FRIDAY
Sunny. Isolated showers in the afternoon. Highs in the upper 50s. Northwest winds 10 to 15 mph. Chance of rain 20 percent.

FRIDAY NIGHT
Partly cloudy. Lows in the upper 30s. North winds 5 to 10 mph, becoming northeast after midnight.

SATURDAY
Mostly sunny. Highs in the upper 50s. North winds 5 to 10 mph.

SATURDAY NIGHT AND SUNDAY
Mostly clear. Lows in the upper 30s. Highs in the upper 60s.

SUNDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Not as cool with lows in the lower 50s. Chance of rain 60 percent.

MONDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Breezy with highs in the mid 70s. Chance of rain 50 percent.

MONDAY NIGHT
A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 40 percent.

TUESDAY
Mostly sunny. A chance of showers in the morning, then showers likely in the afternoon. Highs around 70. Chance of rain 60 percent.

TUESDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 50. Chance of rain 60 percent.

WEDNESDAY
Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 50 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 4/29/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
30 APR 2026

1 AM

44°

40°

Clear

0%

0% Thunder
( 0% severe)

NNW 7

68%

34°

Low 40°

4 AM

41°

39°

Clear

NW 3

76%

34°

High 63°

7 AM

41°

39°

Clear

2%

0% Thunder
( 1% severe)

W 2

79%

35°

Increasing Clouds

Chance of Rain

10 AM

54°

53°

Clear

W 6

48%

35°

1 PM

60°

58°

Partly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 5% severe)

W 10

37%

34°

4 PM

61°

59°

Mostly Cloudy

WSW 12

38%

35°

7 PM

58°

56°

Mostly Cloudy

50%
RAIN
***

0% Thunder
( 11% severe)

WNW 9

49%

39°

10 PM

52°

50°

Mostly Cloudy

NW 7

69%

42°

Friday
1 MAY 2026

1 AM

48°

45°

Mostly Cloudy

17%
RAIN
.1–.25 in

0% Thunder
( 2% severe)

WNW 7

80%

42°

Low 41°

4 AM

44°

39°

Partly Cloudy

NNW 8

82%

39°

High 58°

7 AM

42°

37°

Clear

2%

0% Thunder
( 0% severe)

NNW 8

82%

37°

Partly Cloudy

10 AM

50°

46°

Clear

NNW 12

54%

34°

1 PM

55°

52°

Partly Cloudy

2%

0% Thunder
( 3% severe)

NNW 13

41%

32°

4 PM

56°

53°

Partly Cloudy

NNW 13

38%

31°

7 PM

54°

51°

Partly Cloudy

1%

0% Thunder
( 3% severe)

NNW 10

43%

32°

10 PM

47°

44°

Partly Cloudy

NNE 6

60%

34°


DECATUR, IL extended weather forecast
Saturday 2 MAY 2026	Sunday 3 MAY 2026	Monday 4 MAY 2026	Tuesday 5 MAY 2026	Wednesday 6 MAY 2026
Low 40°	Low 39°	Low 52°	Low 54°	Low 47°
High 57°	High 69°	High 75°	High 66°	High 62°

Overcast 48% Rain	Partly Cloudy 12% Rain	Overcast 41% Rain	Overcast 65% Rain	Overcast 66% Rain

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