DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
7:54 PM CST NOV 4, 2026
Overcast 55°F
Feels Like:	51°F
Dewpoint:	48°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	WSW at 13 mph, gusts to 22
Pressure:	29.81 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

TONIGHT
Mostly cloudy. Cooler with lows in the upper 40s. Southwest winds around 10 mph with gusts up to 20 mph.

THURSDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 50s. West winds 10 to 15 mph with gusts up to 25 mph.

THURSDAY NIGHT
Mostly cloudy. A slight chance of rain in the evening. Lows around 40. West winds 5 to 10 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain 20 percent.

FRIDAY
Partly sunny. Highs in the lower 50s. North winds 10 to 15 mph.

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Cooler with lows around 30. North winds 5 to 10 mph.

SATURDAY AND SATURDAY NIGHT
Mostly clear. Highs in the lower 50s. Lows around 30.

SUNDAY AND SUNDAY NIGHT
Mostly clear. Highs in the upper 50s. Lows in the lower 30s.

MONDAY
Sunny. Highs in the mid 60s.

MONDAY NIGHT AND TUESDAY
Clear. Lows in the upper 30s. Highs in the mid 60s.

TUESDAY NIGHT AND VETERANS DAY
Mostly clear. Lows in the upper 30s. Highs in the mid 60s.

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/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
4 NOV 2026

12 PM

58°

55°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

WSW 15

77%

51°

High 60°

3 PM

59°

56°

Mostly Cloudy

WSW 15

69%

49°

Mostly Cloudy

6 PM

54°

51°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WSW 10

83%

49°

9 PM

50°

46°

Mostly Cloudy

WSW 9

93%

48°

Thursday
5 NOV 2026

12 AM

47°

43°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WSW 9

96%

46°

Low 41°

3 AM

45°

40°

Partly Cloudy

SW 10

96%

44°

High 60°

6 AM

43°

37°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

SW 10

100%

43°

Mostly Cloudy

9 AM

51°

46°

Mostly Cloudy

WSW 14

83%

46°

12 PM

57°

54°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 0% severe)

WSW 15

62%

44°

3 PM

59°

56°

Mostly Cloudy

W 14

60%

45°

6 PM

52°

49°

Mostly Cloudy

0%

0% Thunder
( 1% severe)

W 9

83%

47°

9 PM

48°

45°

Mostly Cloudy

W 7

96%

47°

Friday
6 NOV 2026

12 AM

46°

42°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 1% severe)

NW 7

100%

46°

Low 39°

3 AM

45°

41°

Mostly Cloudy

NNW 8

100%

45°

High 54°

6 AM

42°

36°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

N 10

100%

42°

Mostly Cloudy

9 AM

47°

41°

Mostly Cloudy

N 13

89%

44°

12 PM

50°

45°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

N 13

68%

40°

3 PM

51°

46°

Partly Cloudy

NNW 13

61%

38°

6 PM

45°

40°

Partly Cloudy

N 10

76%

38°


DECATUR, IL extended weather forecast
Saturday 7 NOV 2026	Sunday 8 NOV 2026	Monday 9 NOV 2026	Tuesday 10 NOV 2026	Wednesday 11 NOV 2026
Low 30°	Low 30°	Low 34°	Low 37°	Low 40°
High 50°	High 56°	High 61°	High 61°	High 57°

Clear 1% Rain	Clear 4% Rain	Clear 3% Rain	Clear 7% Rain	Clear 10% Rain

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