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 PM CST NOV 16, 2025
Clear 41°F
Feels Like:	38°F
Dewpoint:	16°F
Rel. Hum.:	34%
Visibility:	10 miles
Wind:	WNW at 5 mph
Pressure:	30.03 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
Partly cloudy late this evening, then clearing. Lows in the upper 20s. North winds around 5 mph.

MONDAY
Mostly sunny. Highs in the mid 50s. East winds 5 to 10 mph.

MONDAY NIGHT
Rain likely in the evening, then showers after midnight. Not as cool with lows in the lower 40s. Southeast winds 10 to 15 mph. Chance of rain 80 percent.

TUESDAY
Mostly cloudy with a 50 percent chance of rain. Highs in the upper 50s. Southeast winds 10 to 15 mph.

TUESDAY NIGHT
Mostly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph.

WEDNESDAY
Mostly cloudy. Highs in the upper 50s.

WEDNESDAY NIGHT
Mostly cloudy. A chance of rain after midnight. Lows in the lower 40s. Chance of rain 40 percent.

THURSDAY
Rain likely in the morning, then rain in the afternoon. Highs in the lower 60s. Chance of rain 80 percent.

THURSDAY NIGHT
Rain likely. Lows in the lower 50s. Chance of rain 70 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the lower 60s.

FRIDAY NIGHT
Mostly cloudy. A chance of rain in the evening. Cooler with lows around 40. Chance of rain 30 percent.

SATURDAY
Partly sunny. Cooler with highs in the lower 50s.

SATURDAY NIGHT AND SUNDAY
Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

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 PM EST 11/16/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
17 NOV 2025

12 AM

35°

32°

Clear

1%

0% Thunder
( 0% severe)

NW 3

52%

20°

Low 29°

3 AM

32°

29°

Clear

N 1

59%

20°

High 56°

6 AM

30°

27°

Partly Cloudy

3%

0% Thunder
( 1% severe)

ENE 1

64%

20°

Partly Cloudy

9 AM

42°

39°

Partly Cloudy

ESE 5

44%

22°

12 PM

52°

49°

Partly Cloudy

5%

0% Thunder
( 0% severe)

SE 8

26%

19°

3 PM

55°

52°

Partly Cloudy

SE 9

23%

19°

6 PM

48°

44°

Partly Cloudy

58%
RAIN
***

0% Thunder
( 11% severe)

ESE 9

33%

21°

9 PM

46°

41°

Mostly Cloudy

ESE 10

41%

24°

Tuesday
18 NOV 2025

12 AM

45°

39°

Mostly Cloudy

67%
RAIN
***

0% Thunder
( 13% severe)

ESE 12

60%

32°

Low 42°

3 AM

45°

39°

Overcast

ESE 13

71%

36°

High 60°

6 AM

45°

39°

Mostly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 2% severe)

SE 13

82%

40°

Mostly Cloudy

Chance of Rain

9 AM

50°

46°

Mostly Cloudy

SE 12

80%

44°

12 PM

56°

53°

Mostly Cloudy

27%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

SSE 10

74%

48°

3 PM

57°

55°

Mostly Cloudy

NNE 9

72%

48°

6 PM

51°

48°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 0% severe)

NE 9

83%

46°

9 PM

47°

43°

Mostly Cloudy

NE 8

86%

43°


DECATUR, IL extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 37°	Low 36°	Low 42°	Low 54°	Low 45°
High 52°	High 57°	High 64°	High 70°	High 60°

Overcast 37% Rain	Overcast 5% Rain	Overcast 59% Rain	Overcast 74% Rain	Mostly Cloudy 17% Rain

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