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 20, 2025
Overcast Mist 50°F
Feels Like:	50°F
Dewpoint:	48°F
Rel. Hum.:	93%
Visibility:	1 miles
Wind:	Calm
Pressure:	30.05 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
Cloudy. Patchy very light drizzle this evening, then a chance of rain after midnight. Areas of dense fog. Near steady temperature in the upper 40s. East winds around 5 mph. Chance of rain 50 percent.

FRIDAY
Areas of dense fog in the morning. Rain likely. Highs in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

FRIDAY NIGHT
Mostly cloudy with a chance of rain. Cooler with lows in the mid 30s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

SATURDAY
Sunny. Highs in the lower 50s. North winds around 5 mph, becoming northwest in the afternoon.

SATURDAY NIGHT
Mostly clear. Lows in the mid 30s. Southwest winds around 5 mph.

SUNDAY
Sunny. Highs in the upper 50s.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 40.

MONDAY
Mostly cloudy with a 50 percent chance of rain. Highs in the upper 50s.

MONDAY NIGHT
Rain. Near steady temperature in the upper 40s. Chance of rain 80 percent.

TUESDAY
Mostly cloudy with a chance of rain in the morning, then partly sunny in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.

TUESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 30s.

WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. Highs in the mid 40s. Lows in the mid 20s.

THANKSGIVING DAY
Mostly sunny. Highs around 40.

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 11/20/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
20 NOV 2025

12 PM

52°

49°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 3% severe)

SSE 8

80%

46°

High 56°

3 PM

55°

53°

Mostly Cloudy

S 7

74%

47°

Mostly Cloudy

6 PM

51°

50°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 4% severe)

SSE 5

89%

48°

9 PM

50°

50°

Mostly Cloudy

S 2

93%

48°

Friday
21 NOV 2025

12 AM

50°

50°

Overcast

34%
RAIN
.25–.5 in

0% Thunder
( 6% severe)

ESE 1

96%

49°

Low 47°

3 AM

49°

49°

Overcast

E 2

96%

48°

High 55°

6 AM

49°

47°

Overcast

67%
RAIN
***

0% Thunder
( 4% severe)

ENE 5

96%

48°

Mostly Cloudy

Rain Likely

9 AM

51°

48°

Mostly Cloudy

ENE 9

93%

49°

12 PM

52°

48°

Mostly Cloudy

82%
RAIN
***

0% Thunder
( 4% severe)

ENE 10

93%

50°

3 PM

53°

49°

Mostly Cloudy

NE 12

83%

48°

6 PM

50°

46°

Overcast

55%
RAIN
***

0% Thunder
( 2% severe)

NE 12

89%

47°

9 PM

47°

42°

Mostly Cloudy

NNE 10

89%

44°

Saturday
22 NOV 2025

12 AM

45°

41°

Mostly Cloudy

8%

0% Thunder
( 1% severe)

NNE 8

82%

40°

Low 37°

3 AM

42°

37°

Mostly Cloudy

NNE 8

82%

37°

High 54°

6 AM

39°

34°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

N 7

85%

35°

Decreasing Clouds

9 AM

43°

39°

Partly Cloudy

NNE 7

76%

36°

12 PM

51°

49°

Clear

1%

0% Thunder
( 0% severe)

N 6

54%

35°

3 PM

53°

52°

Clear

WNW 5

46%

33°

6 PM

45°

44°

Clear

WSW 3

65%

34°


DECATUR, IL extended weather forecast
Sunday 23 NOV 2025	Monday 24 NOV 2025	Tuesday 25 NOV 2025	Wednesday 26 NOV 2025	Thursday 27 NOV 2025
Low 32°	Low 39°	Low 44°	Low 40°	Low 30°
High 59°	High 57°	High 61°	High 50°	High 44°

Clear 4% Rain	Mostly Cloudy 29% Rain	Overcast 71% Rain	Overcast 31% Rain	Partly Cloudy 23% Rain/Snow

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