DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
8:54 AM CDT APR 14, 2026
Clear 72°F
Feels Like:	72°F
Dewpoint:	61°F
Rel. Hum.:	68%
Visibility:	10 miles
Wind:	SSW at 21 mph
Pressure:	29.87 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

REST OF TODAY
Partly sunny. A chance of showers and thunderstorms, mainly this morning. Highs in the mid 80s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

WEDNESDAY
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 80 percent.

WEDNESDAY NIGHT
A chance of thunderstorms. Showers. Lows in the lower 60s. Southwest winds 15 to 20 mph. Chance of rain 80 percent.

THURSDAY
Showers likely. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

THURSDAY NIGHT
Mostly clear. Lows in the mid 50s.

FRIDAY
Mostly sunny. Highs in the lower 80s.

FRIDAY NIGHT AND SATURDAY
Showers likely with a chance of thunderstorms. Breezy. Lows in the upper 50s. Highs in the upper 60s. Chance of rain 70 percent.

SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Much cooler with lows in the upper 30s.

SUNDAY THROUGH MONDAY
Mostly clear. Highs in the lower 60s. Lows in the upper 30s.

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 4/13/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
14 APR 2026

1 AM

70°

70°

Partly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 25% severe)

SSW 18

73%

61°

Low 66°

4 AM

69°

69°

Partly Cloudy

SSW 16

78%

62°

High 85°

7 AM

67°

67°

Partly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 20% severe)

SSW 15

84%

62°

Partly Cloudy

Chance of Rain

Breezy

10 AM

74°

74°

Partly Cloudy

SW 16

71%

64°

1 PM

81°

83°

Partly Cloudy

32%
RAIN
<.01 in

0% Thunder
( 26% severe)

SW 18

58%

65°

4 PM

84°

86°

Partly Cloudy

SSW 20

53%

65°

7 PM

80°

81°

Partly Cloudy

41%
RAIN
.01–.1 in

0% Thunder
( 26% severe)

S 18

56%

63°

10 PM

75°

75°

Partly Cloudy

SSW 17

66%

63°

Wednesday
15 APR 2026

1 AM

72°

72°

Partly Cloudy

39%
RAIN
.01–.1 in

0% Thunder
( 15% severe)

SW 15

71%

62°

Low 68°

4 AM

70°

70°

Mostly Cloudy

SSW 14

76%

62°

High 79°

7 AM

68°

68°

Mostly Cloudy

63%
RAIN
***

0% Thunder
( 25% severe)

SW 13

81%

62°

Mostly Cloudy

Rain Likely

10 AM

73°

73°

Mostly Cloudy

SSW 14

71%

63°

1 PM

76°

78°

Mostly Cloudy

79%
RAIN
***

0% Thunder
( 35% severe)

SSW 16

64%

63°

4 PM

76°

78°

Mostly Cloudy

SSW 16

62%

62°

7 PM

72°

72°

Mostly Cloudy

60%
RAIN
***

0% Thunder
( 38% severe)

SSW 14

68%

61°

10 PM

69°

69°

Mostly Cloudy

SSW 13

73%

60°


DECATUR, IL extended weather forecast
Thursday 16 APR 2026	Friday 17 APR 2026	Saturday 18 APR 2026	Sunday 19 APR 2026	Monday 20 APR 2026
Low 60°	Low 52°	Low 62°	Low 35°	Low 34°
High 80°	High 82°	High 64°	High 55°	High 59°

Mostly Cloudy 69% Rain	Mostly Cloudy 26% Rain	Overcast 70% Rain	Partly Cloudy 31% Rain	Clear 10% Rain

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