DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
3:54 AM CDT JUL 12, 2026
Clear 66°F
Feels Like:	66°F
Dewpoint:	64°F
Rel. Hum.:	93%
Visibility:	8 miles
Wind:	NE at 7 mph
Pressure:	30.10 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. Highs in the mid 80s. Northeast winds 10 to 15 mph.

TONIGHT
Clear. Lows in the lower 60s. Northeast winds 5 to 10 mph.

MONDAY
Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph.

MONDAY NIGHT
Clear. Lows in the mid 60s. Northeast winds 5 to 10 mph.

TUESDAY
Sunny with highs in the upper 80s. Northeast winds around 5 mph.

TUESDAY NIGHT
Clear. Lows in the upper 60s.

WEDNESDAY THROUGH SATURDAY
Mostly clear. Highs around 90. Lows 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 7/11/2026

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)

Sunday
12 JUL 2026

1 AM

69°

Clear

0% Thunder
( 2% severe)

NNE 8

90%

66°

Low 66°

4 AM

67°

Clear

NNE 9

93%

65°

High 83°

7 AM

68°

Clear

0% Thunder
( 4% severe)

NE 10

93%

66°

Clear

10 AM

77°

79°

Clear

NE 13

74%

68°

1 PM

81°

84°

Clear

0% Thunder
( 6% severe)

NE 14

65%

68°

4 PM

82°

85°

Clear

NE 14

61%

67°

7 PM

81°

84°

Clear

0% Thunder
( 4% severe)

NNE 10

63%

67°

10 PM

72°

Clear

NNE 7

79%

65°

Monday
13 JUL 2026

1 AM

68°

Clear

0% Thunder
( 2% severe)

NE 6

84%

63°

Low 64°

4 AM

65°

Clear

NNE 6

90%

62°

High 85°

7 AM

67°

Clear

0% Thunder
( 3% severe)

NNE 7

87%

63°

Clear

10 AM

78°

80°

Clear

NE 8

69%

67°

1 PM

83°

86°

Clear

0% Thunder
( 6% severe)

NE 10

59%

67°

4 PM

84°

87°

Clear

NE 10

57%

67°

7 PM

83°

87°

Clear

0% Thunder
( 7% severe)

NE 7

65%

70°

10 PM

73°

Clear

NE 3

84%

68°


DECATUR, IL extended weather forecast
Tuesday 14 JUL 2026	Wednesday 15 JUL 2026	Thursday 16 JUL 2026	Friday 17 JUL 2026	Saturday 18 JUL 2026
Low 66°	Low 68°	Low 69°	Low 69°	Low 71°
High 91°	High 91°	High 92°	High 91°	High 89°

Clear 6% Rain	Partly Cloudy 21% Rain	Partly Cloudy 32% Rain	Partly Cloudy 31% Rain	Mostly Cloudy 27% 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