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 17, 2025
Overcast 43°F
Feels Like:	38°F
Dewpoint:	36°F
Rel. Hum.:	76%
Visibility:	10 miles
Wind:	E at 9 mph
Pressure:	30.04 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

REST OF TONIGHT
Rain likely late this evening, then rain with a slight chance of thunderstorms. Not as cool. Near steady temperature in the mid 40s. Southeast winds 10 to 15 mph. Chance of rain 80 percent.

TUESDAY
Cloudy. A chance of rain, mainly in the morning. Highs in the upper 50s. Southeast winds 10 to 15 mph, becoming east 5 to 10 mph in the afternoon. Chance of rain 40 percent.

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

WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 50s. Northeast winds around 5 mph, becoming north in the afternoon.

WEDNESDAY NIGHT
Mostly cloudy. Lows in the lower 40s. Southeast winds around 5 mph.

THURSDAY
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 60s. Chance of rain 60 percent.

THURSDAY NIGHT
Rain likely. Lows in the upper 40s. Chance of rain 70 percent.

FRIDAY
Rain likely. Highs in the mid 50s. Temperature falling into the lower 50s in the afternoon. Chance of rain 70 percent.

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

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

MONDAY
Partly sunny. 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 AM EST 11/17/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
17 NOV 2025

12 PM

52°

49°

Partly Cloudy

2%

0% Thunder
( 0% severe)

SE 8

26%

19°

High 56°

3 PM

55°

52°

Partly Cloudy

SE 9

22%

18°

Mostly Cloudy

Rain Likely

6 PM

48°

44°

Mostly Cloudy

68%
RAIN
***

0% Thunder
( 7% severe)

ESE 9

33%

21°

9 PM

46°

41°

Mostly Cloudy

SE 12

41%

24°

Tuesday
18 NOV 2025

12 AM

45°

39°

Mostly Cloudy

71%
RAIN
***

0% Thunder
( 13% severe)

SE 12

63%

33°

Low 42°

3 AM

45°

39°

Overcast

SE 14

71%

36°

High 60°

6 AM

46°

40°

Mostly Cloudy

30%
RAIN
.1–.25 in

0% Thunder
( 9% severe)

SE 14

76%

39°

Mostly Cloudy

Chance of Rain

9 AM

50°

46°

Mostly Cloudy

SE 12

77%

43°

12 PM

56°

53°

Mostly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 8% severe)

SE 10

74%

48°

3 PM

58°

56°

Mostly Cloudy

NE 9

69%

48°

6 PM

52°

49°

Mostly Cloudy

6%

0% Thunder
( 0% severe)

NE 9

83%

47°

9 PM

48°

44°

Mostly Cloudy

NNE 8

86%

44°

Wednesday
19 NOV 2025

12 AM

45°

41°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

NNE 7

93%

43°

Low 39°

3 AM

43°

39°

Mostly Cloudy

NE 7

93%

41°

High 56°

6 AM

42°

38°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

NE 6

93%

40°

Mostly Cloudy

9 AM

46°

43°

Mostly Cloudy

ENE 6

83%

41°

12 PM

52°

52°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

NNE 3

71%

43°

3 PM

55°

55°

Mostly Cloudy

WNW 3

61%

42°

6 PM

49°

48°

Mostly Cloudy

N 3

77%

42°


DECATUR, IL extended weather forecast
Thursday 20 NOV 2025	Friday 21 NOV 2025	Saturday 22 NOV 2025	Sunday 23 NOV 2025	Monday 24 NOV 2025
Low 39°	Low 49°	Low 36°	Low 37°	Low 39°
High 60°	High 55°	High 52°	High 55°	High 55°

Mostly Cloudy 15% Rain	Overcast 74% Rain	Mostly Cloudy 44% Rain	Clear 11% Rain	Partly Cloudy 25% Rain

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