DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
9:54 AM CDT JUL 30, 2026
Clear 75°F
Feels Like:	75°F
Dewpoint:	64°F
Rel. Hum.:	69%
Visibility:	10 miles
Wind:	SE at 6 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 2026 Hurricanes	DECATUR, IL 62521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Sunny. Highs in the mid 80s. Southeast winds around 5 mph.

TONIGHT
Partly cloudy. Lows in the lower 60s. Southeast winds around 5 mph.

FRIDAY
Partly sunny with a slight chance of showers in the morning, then cloudy with showers likely with a slight chance of thunderstorms in the afternoon. Highs around 80. South winds 10 to 15 mph. Chance of rain 60 percent.

FRIDAY NIGHT
Showers with a chance of thunderstorms. Lows in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

SATURDAY
Showers. Highs in the mid 70s. East winds 10 to 15 mph, becoming northeast 15 to 20 mph in the afternoon. Chance of rain 90 percent.

SATURDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 60s. Chance of rain 30 percent.

SUNDAY
Mostly sunny. Highs around 80.

SUNDAY NIGHT THROUGH TUESDAY NIGHT
Mostly clear. Lows in the mid 60s. Highs in the lower 80s.

WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. 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 PM EDT 7/29/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
30 JUL 2026

1 AM

65°

65°

Clear

0%

0% Thunder
( 1% severe)

NE 5

90%

62°

Low 61°

4 AM

62°

62°

Clear

ENE 5

93%

60°

High 82°

7 AM

63°

64°

Clear

0%

0% Thunder
( 1% severe)

E 5

90%

60°

Partly Cloudy

10 AM

76°

78°

Partly Cloudy

ESE 5

64%

63°

1 PM

81°

82°

Partly Cloudy

0%

0% Thunder
( 2% severe)

ESE 6

51%

61°

4 PM

82°

83°

Partly Cloudy

SE 3

51%

62°

7 PM

79°

81°

Partly Cloudy

0%

0% Thunder
( 2% severe)

ESE 5

60%

64°

10 PM

71°

71°

Partly Cloudy

ESE 5

76%

63°

Friday
31 JUL 2026

1 AM

68°

68°

Partly Cloudy

0%

0% Thunder
( 1% severe)

SE 5

84%

63°

Low 63°

4 AM

66°

66°

Partly Cloudy

SSE 6

87%

62°

High 80°

7 AM

67°

67°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 4% severe)

SSE 8

84%

62°

Mostly Cloudy

Rain Likely

10 AM

76°

78°

Mostly Cloudy

S 12

66%

64°

1 PM

79°

81°

Mostly Cloudy

61%
RAIN
***

0% Thunder
( 28% severe)

S 14

60%

64°

4 PM

77°

79°

Mostly Cloudy

SSE 14

69%

66°

7 PM

75°

75°

Mostly Cloudy

77%
RAIN
***

0% Thunder
( 47% severe)

SE 15

74%

66°

10 PM

71°

71°

Mostly Cloudy

SE 14

84%

66°


DECATUR, IL extended weather forecast
Saturday 1 AUG 2026	Sunday 2 AUG 2026	Monday 3 AUG 2026	Tuesday 4 AUG 2026	Wednesday 5 AUG 2026
Low 68°	Low 67°	Low 61°	Low 61°	Low 62°
High 77°	High 82°	High 84°	High 85°	High 85°

Overcast 98% Rain	Overcast 63% Rain	Clear 12% Rain	Clear 10% Rain	Partly Cloudy 14% Rain

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