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 OCT 17, 2026
Few Clouds 52°F
Feels Like:	49°F
Dewpoint:	37°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	E at 8 mph
Pressure:	30.57 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
Sunny. Highs in the upper 50s. East winds around 5 mph.

TONIGHT
Clear. Areas of frost after midnight. Lows in the mid 30s. South winds around 5 mph.

SUNDAY
Areas of frost in the morning. Sunny. Highs in the mid 60s. South winds 5 to 10 mph.

SUNDAY NIGHT
Clear. Lows in the mid 30s. South winds 5 to 10 mph.

MONDAY
Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

MONDAY NIGHT THROUGH WEDNESDAY
Mostly clear. Lows in the lower 40s. Highs in the upper 70s.

WEDNESDAY NIGHT THROUGH FRIDAY
Mostly clear. Lows in the upper 40s. Highs in the lower 80s.

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 10/17/2026

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)

Saturday
17 OCT 2026

1 PM

57°

58°

Clear

0% Thunder
( 0% severe)

CALM

49%

38°

High 61°

4 PM

60°

61°

Clear

CALM

37%

34°

Clear

7 PM

49°

Clear

0% Thunder
( 0% severe)

CALM

61%

36°

10 PM

42°

41°

Clear

CALM

79%

36°

Sunday
18 OCT 2026

1 AM

39°

36°

Clear

0% Thunder
( 0% severe)

SSE 5

85%

35°

Low 35°

4 AM

37°

32°

Clear

SSE 7

89%

34°

High 69°

7 AM

36°

30°

Clear

0% Thunder
( 0% severe)

S 7

89%

33°

Clear

10 AM

52°

48°

Clear

S 10

54%

36°

1 PM

64°

63°

Clear

0% Thunder
( 0% severe)

S 10

34%

35°

4 PM

69°

Clear

S 9

26%

33°

7 PM

53°

51°

Clear

0% Thunder
( 0% severe)

SSE 7

48%

34°

10 PM

45°

41°

Clear

SSE 7

71%

36°

Monday
19 OCT 2026

1 AM

42°

39°

Clear

0% Thunder
( 0% severe)

SSE 5

76%

35°

Low 36°

4 AM

39°

37°

Clear

SSE 3

85%

35°

High 72°

7 AM

37°

35°

Clear

0% Thunder
( 0% severe)

CALM

89%

34°

Clear

10 AM

56°

Clear

SSE 3

55%

40°

1 PM

69°

Clear

0% Thunder
( 0% severe)

SSE 3

33%

39°

4 PM

72°

Partly Cloudy

SE 3

27%

36°

7 PM

57°

58°

Partly Cloudy

E 2

47%

37°


DECATUR, IL extended weather forecast
Tuesday 20 OCT 2026	Wednesday 21 OCT 2026	Thursday 22 OCT 2026	Friday 23 OCT 2026	Saturday 24 OCT 2026
Low 37°	Low 39°	Low 48°	Low 49°	Low 48°
High 69°	High 74°	High 75°	High 70°	High 70°

Clear 2% Rain	Clear 4% Rain	Clear 6% Rain	Clear 14% Rain	Partly Cloudy 23% 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
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