DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
11:54 AM CDT AUG 7, 2026
Overcast 82°F
Feels Like:	87°F
Dewpoint:	72°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.07 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 2026 Hurricanes	DECATUR, IL 62521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Partly sunny. Highs in the mid 80s. South winds around 5 mph.

TONIGHT
Partly cloudy. Humid with lows in the upper 60s. Southwest winds around 5 mph.

SATURDAY
Mostly sunny. Humid with highs in the mid 80s. West winds 5 to 10 mph.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. North winds around 5 mph, becoming southeast after midnight.

SUNDAY
Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. South winds 10 to 15 mph. Chance of rain 30 percent.

SUNDAY NIGHT AND MONDAY
Partly cloudy. Lows in the lower 70s. Highs around 90.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of rain 40 percent.

TUESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

TUESDAY NIGHT
A chance of thunderstorms. Showers likely. Lows in the upper 60s. Chance of rain 70 percent.

WEDNESDAY AND WEDNESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 50 percent.

THURSDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 40 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 8/ 7/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
7 AUG 2026

1 PM

80°

84°

Partly Cloudy

9%

0% Thunder
( 36% severe)

SSW 7

77%

72°

High 83°

4 PM

82°

87°

Partly Cloudy

SW 8

72%

72°

Partly Cloudy

7 PM

81°

85°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 12% severe)

SW 6

74%

72°

10 PM

73°

73°

Partly Cloudy

SSW 3

97%

72°

Saturday
8 AUG 2026

1 AM

71°

71°

Partly Cloudy

6%

0% Thunder
( 11% severe)

SSW 5

100%

71°

Low 69°

4 AM

70°

70°

Partly Cloudy

WSW 6

100%

70°

High 85°

7 AM

71°

71°

Partly Cloudy

5%

0% Thunder
( 14% severe)

WSW 6

97%

70°

Partly Cloudy

10 AM

78°

80°

Partly Cloudy

WNW 7

82%

72°

1 PM

83°

88°

Partly Cloudy

2%

0% Thunder
( 17% severe)

NW 7

67%

71°

4 PM

84°

88°

Partly Cloudy

W 7

63%

70°

7 PM

81°

85°

Clear

2%

0% Thunder
( 8% severe)

WNW 5

72%

71°

10 PM

72°

72°

Partly Cloudy

CALM

93%

70°

Sunday
9 AUG 2026

1 AM

68°

68°

Partly Cloudy

8%

0% Thunder
( 12% severe)

ESE 1

100%

68°

Low 66°

4 AM

68°

68°

Partly Cloudy

ESE 5

97%

67°

High 87°

7 AM

69°

69°

Partly Cloudy

42%
RAIN
***

0% Thunder
( 17% severe)

SE 8

97%

68°

Mostly Cloudy

Chance of Rain

10 AM

78°

80°

Partly Cloudy

S 10

79%

71°

1 PM

83°

89°

Mostly Cloudy

8%

0% Thunder
( 20% severe)

S 13

72%

73°

4 PM

85°

93°

Mostly Cloudy

S 14

70%

74°

7 PM

83°

90°

Partly Cloudy

S 13

74%

74°


DECATUR, IL extended weather forecast
Monday 10 AUG 2026	Tuesday 11 AUG 2026	Wednesday 12 AUG 2026	Thursday 13 AUG 2026	Friday 14 AUG 2026
Low 74°	Low 73°	Low 70°	Low 67°	Low 61°
High 96°	High 92°	High 87°	High 84°	High 83°

Partly Cloudy 23% Rain	Partly Cloudy 46% Rain	Mostly Cloudy 55% Rain	Partly Cloudy 31% Rain	Partly Cloudy 31% Rain

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