DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
4:54 PM CDT APR 9, 2026
Scattered Clouds 75°F
Feels Like:	75°F
Dewpoint:	46°F
Rel. Hum.:	36%
Visibility:	10 miles
Wind:	S at 21 mph, gusts to 31
Pressure:	30.13 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(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

TONIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. South winds 15 to 20 mph. Chance of rain 50 percent.

FRIDAY
Cloudy with a slight chance of thunderstorms. Showers, mainly in the morning. Much cooler with highs in the mid 60s. West winds around 15 mph, becoming north in the afternoon. Chance of rain 90 percent.

FRIDAY NIGHT
Partly cloudy. Cooler with lows in the lower 40s. Northeast winds 5 to 10 mph.

SATURDAY
Partly 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 mid 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

SUNDAY
Mostly cloudy and breezy. Not as cool with highs in the upper 70s.

SUNDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 60 percent.

MONDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 50 percent.

MONDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. 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. 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 lower 60s. Chance of rain 70 percent.

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

THURSDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 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 AM EDT 4/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
9 APR 2026

1 PM

75°

75°

Partly Cloudy

4%

0% Thunder
( 8% severe)

SW 15

36%

46°

High 78°

4 PM

77°

78°

Partly Cloudy

SSW 14

32%

45°

Partly Cloudy

7 PM

71°

71°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 3% severe)

S 13

41%

46°

10 PM

65°

65°

Partly Cloudy

S 15

50%

46°

Friday
10 APR 2026

1 AM

63°

61°

Mostly Cloudy

48%
RAIN
.1–.25 in

0% Thunder
( 11% severe)

SSW 16

54%

46°

Low 56°

4 AM

62°

60°

Mostly Cloudy

SSW 15

58%

47°

High 65°

7 AM

59°

56°

Mostly Cloudy

72%
RAIN
***

0% Thunder
( 12% severe)

SW 14

75%

51°

Mostly Cloudy

Rain Likely

10 AM

60°

58°

Mostly Cloudy

W 14

81%

54°

1 PM

61°

59°

Mostly Cloudy

36%
RAIN
.1–.25 in

0% Thunder
( 9% severe)

NNW 13

75%

53°

4 PM

61°

59°

Mostly Cloudy

N 12

65%

49°

7 PM

58°

56°

Mostly Cloudy

8%

0% Thunder
( 2% severe)

NNE 8

67%

47°

10 PM

53°

50°

Partly Cloudy

NE 8

71%

44°

Saturday
11 APR 2026

1 AM

48°

44°

Partly Cloudy

7%

0% Thunder
( 1% severe)

ENE 9

77%

41°

Low 42°

4 AM

45°

40°

Partly Cloudy

ENE 9

76%

38°

High 66°

7 AM

43°

37°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 3% severe)

E 10

79%

37°

Mostly Cloudy

10 AM

53°

49°

Partly Cloudy

E 12

64%

41°

1 PM

60°

58°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 8% severe)

ESE 12

58%

45°

4 PM

64°

63°

Mostly Cloudy

SE 10

56%

48°

7 PM

63°

62°

Mostly Cloudy

SE 9

65%

51°


DECATUR, IL extended weather forecast
Sunday 12 APR 2026	Monday 13 APR 2026	Tuesday 14 APR 2026	Wednesday 15 APR 2026	Thursday 16 APR 2026
Low 55°	Low 57°	Low 60°	Low 61°	Low 53°
High 76°	High 78°	High 77°	High 71°	High 72°

Overcast 43% Rain	Overcast 47% Rain	Overcast 42% Rain	Overcast 53% Rain	Mostly Cloudy 32% Rain

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