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 PM CST NOV 27, 2025
Clear 37°F
Feels Like:	27°F
Dewpoint:	16°F
Rel. Hum.:	40%
Visibility:	10 miles
Wind:	WNW at 17 mph, gusts to 25
Pressure:	30.32 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 2025 Hurricanes	DECATUR, IL 62521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear. Lows around 20. Northwest winds 5 to 10 mph.

FRIDAY
Sunny. Highs in the lower 30s. Northwest winds 5 to 10 mph.

FRIDAY NIGHT
Mostly cloudy. Snow after midnight. Snow accumulation around an inch. Lows in the mid 20s. Southeast winds 5 to 10 mph. Chance of snow 90 percent.

SATURDAY
Snow. Snow may be heavy at times in the afternoon. Additional heavy snow accumulation. Highs in the lower 30s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of snow near 100 percent.

SATURDAY NIGHT
Snow, mainly in the evening. Additional light snow accumulation. Lows in the mid 20s. South winds 15 to 20 mph, becoming west after midnight. Chance of snow near 100 percent.

SUNDAY AND SUNDAY NIGHT
Mostly cloudy. Highs in the upper 20s. Lows around 10 above. Wind chill values as low as zero.

MONDAY
Mostly cloudy. Highs in the lower 20s.

MONDAY NIGHT
Mostly cloudy. A chance of snow in the evening. Lows 10 to 15. Chance of snow 30 percent.

TUESDAY AND TUESDAY NIGHT
Mostly cloudy. Highs in the mid 20s. Lows around 10 above. Wind chill values as low as zero.

WEDNESDAY THROUGH THURSDAY
Mostly cloudy. Highs in the lower 30s. Lows around 20. Wind chill values as low as zero.

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 7:00 AM EST 11/27/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
27 NOV 2025

12 PM

34°

24°

Clear

0%

0% Thunder
( 0% severe)

WNW 15

49%

18°

High 38°

3 PM

37°

28°

Clear

WNW 16

40%

16°

Clear

6 PM

31°

22°

Clear

0%

0% Thunder
( 0% severe)

WNW 12

51%

16°

9 PM

28°

18°

Clear

WNW 12

60%

17°

Friday
28 NOV 2025

12 AM

25°

15°

Clear

0%

0% Thunder
( 0% severe)

NW 10

65%

16°

Low 19°

3 AM

23°

12°

Clear

WNW 10

68%

15°

High 34°

6 AM

21°

11°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 9

75%

15°

Partly Cloudy

9 AM

26°

17°

Partly Cloudy

NW 9

63%

16°

12 PM

31°

24°

Partly Cloudy

1%

0% Thunder
( 0% severe)

WNW 8

48%

15°

3 PM

33°

28°

Partly Cloudy

W 6

42%

14°

6 PM

28°

25°

Mostly Cloudy

8%

0% Thunder
( 0% severe)

S 1

55%

15°

9 PM

27°

23°

Mostly Cloudy

SE 3

60%

16°

Saturday
29 NOV 2025

12 AM

28°

22°

Mostly Cloudy

50%
SNOW
10–20 in

0% Thunder
( 1% severe)

SE 6

63%

18°

Low 24°

3 AM

28°

19°

Overcast

SE 9

73%

21°

High 35°

6 AM

28°

17°

Mostly Cloudy

86%
SNOW
***

0% Thunder
( 1% severe)

SE 13

80%

23°

Mostly Cloudy

Snow

9 AM

29°

17°

Mostly Cloudy

SE 16

84%

25°

12 PM

31°

19°

Mostly Cloudy

97%
SNOW
***

0% Thunder
( 2% severe)

SSE 17

88%

28°

3 PM

32°

21°

Mostly Cloudy

SSE 17

85%

28°

6 PM

32°

22°

Overcast

SSE 15

92%

30°


DECATUR, IL extended weather forecast
Sunday 30 NOV 2025	Monday 1 DEC 2025	Tuesday 2 DEC 2025	Wednesday 3 DEC 2025	Thursday 4 DEC 2025
Low 22°	Low 13°	Low 18°	Low 15°	Low 24°
High 28°	High 27°	High 28°	High 33°	High 41°

Overcast 46% Snow	Overcast 22% Snow	Overcast 52% Snow	Overcast 15% Snow	Overcast 30% Snow

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