DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
2:54 AM CDT JUL 9, 2026
Clear 73°F
Feels Like:	73°F
Dewpoint:	72°F
Rel. Hum.:	97%
Visibility:	10 miles
Wind:	SW at 8 mph
Pressure:	29.95 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 TONIGHT
Mostly clear. Near steady temperature in the lower 70s. South winds around 5 mph.

THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

THURSDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Humid with lows around 70. South winds 5 to 10 mph. Chance of rain 50 percent.

FRIDAY
Mostly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. West winds around 5 mph. Chance of rain 30 percent.

FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 60 percent.

SATURDAY
Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.

SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 60s.

SUNDAY THROUGH MONDAY
Mostly clear. Highs in the mid 80s. Lows in the mid 60s.

MONDAY NIGHT
Clear. Lows in the upper 60s.

TUESDAY THROUGH WEDNESDAY
Mostly clear. Highs in the upper 80s. Lows in the upper 60s.

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/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
9 JUL 2026

1 AM

72°

72°

Clear

1%

0% Thunder
( 3% severe)

S 5

87%

68°

Low 69°

4 AM

70°

70°

Partly Cloudy

SSW 7

97%

69°

High 88°

7 AM

73°

73°

Partly Cloudy

9%

0% Thunder
( 11% severe)

SSW 7

90%

70°

Mostly Cloudy

Chance of Rain

10 AM

82°

87°

Partly Cloudy

SW 8

72%

72°

1 PM

86°

91°

Mostly Cloudy

41%
RAIN
1–2 in

0% Thunder
( 41% severe)

SSW 9

61%

71°

4 PM

86°

91°

Mostly Cloudy

W 9

61%

71°

7 PM

83°

88°

Mostly Cloudy

47%
RAIN
***

0% Thunder
( 39% severe)

WNW 7

67%

71°

10 PM

75°

75°

Partly Cloudy

SSW 3

90%

72°

Friday
10 JUL 2026

1 AM

73°

73°

Mostly Cloudy

48%
RAIN
***

0% Thunder
( 30% severe)

S 3

90%

70°

Low 70°

4 AM

71°

71°

Mostly Cloudy

SSW 3

100%

71°

High 84°

7 AM

72°

72°

Mostly Cloudy

21%
RAIN
.25–.5 in

0% Thunder
( 25% severe)

WSW 3

97%

71°

Mostly Cloudy

Chance of Rain

10 AM

77°

78°

Mostly Cloudy

W 5

85%

72°

1 PM

81°

85°

Mostly Cloudy

41%
RAIN
***

0% Thunder
( 42% severe)

WNW 6

74%

72°

4 PM

82°

87°

Mostly Cloudy

WNW 7

72%

72°

7 PM

79°

82°

Mostly Cloudy

62%
RAIN
***

0% Thunder
( 33% severe)

N 7

77%

71°

10 PM

73°

73°

Mostly Cloudy

ENE 5

90%

70°


DECATUR, IL extended weather forecast
Saturday 11 JUL 2026	Sunday 12 JUL 2026	Monday 13 JUL 2026	Tuesday 14 JUL 2026	Wednesday 15 JUL 2026
Low 68°	Low 66°	Low 63°	Low 66°	Low 68°
High 83°	High 87°	High 86°	High 88°	High 92°

Overcast 83% Rain	Clear 10% Rain	Clear 9% Rain	Clear 15% Rain	Partly Cloudy 25% Rain

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