DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
6:54 PM CST NOV 1, 2026
Overcast Light Rain Mist 57°F
Feels Like:	54°F
Dewpoint:	57°F
Rel. Hum.:	100%
Visibility:	4 miles
Wind:	SSE at 13 mph
Pressure:
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
Isolated showers this evening. Cloudy with patchy drizzle. Lows in the lower 50s. Southeast winds around 10 mph. Chance of rain 20 percent.

MONDAY
Cloudy. Patchy drizzle in the morning. Highs in the mid 60s. Southeast winds 15 to 20 mph.

MONDAY NIGHT
Mostly cloudy. A chance of rain after midnight. Breezy. Near steady temperature in the lower 60s. South winds 15 to 25 mph. Chance of rain 30 percent.

TUESDAY
Mostly cloudy. A chance of rain in the morning, then rain in the afternoon. Windy with highs in the lower 70s. South winds 20 to 30 mph. Chance of rain 80 percent.

TUESDAY NIGHT
Rain, mainly in the evening. Lows in the mid 50s. South winds 15 to 20 mph. Chance of rain 90 percent.

WEDNESDAY
Mostly cloudy with a chance of rain in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Chance of rain 50 percent.

WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s.

THURSDAY
Mostly sunny. Highs in the lower 60s.

THURSDAY NIGHT AND FRIDAY
Mostly cloudy. Lows in the mid 40s. Highs around 60.

FRIDAY NIGHT THROUGH SATURDAY NIGHT
Mostly cloudy. Lows in the upper 30s. Highs in the upper 50s.

SUNDAY
Mostly sunny. Highs in the lower 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/ 1/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
1 NOV 2026

12 PM

65°

65°

Mostly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 1% severe)

SE 12

68%

54°

High 66°

3 PM

64°

63°

Mostly Cloudy

SE 12

70%

54°

Mostly Cloudy

Chance of Rain

6 PM

58°

56°

Mostly Cloudy

5%

0% Thunder
( 1% severe)

SE 12

83%

53°

9 PM

54°

51°

Mostly Cloudy

SE 12

93%

52°

Monday
2 NOV 2026

12 AM

53°

50°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 1% severe)

SSE 10

100%

53°

Low 50°

3 AM

53°

50°

Mostly Cloudy

SSE 10

100%

53°

High 68°

6 AM

54°

51°

Mostly Cloudy

29%
RAIN
<.01 in

0% Thunder
( 1% severe)

SSE 12

100%

54°

Mostly Cloudy

Chance of Rain

9 AM

60°

58°

Mostly Cloudy

SSE 14

90%

57°

12 PM

64°

63°

Mostly Cloudy

9%

0% Thunder
( 1% severe)

SSE 15

84%

59°

3 PM

67°

67°

Mostly Cloudy

SSE 17

75%

59°

6 PM

63°

61°

Mostly Cloudy

6%

0% Thunder
( 1% severe)

SSE 15

87%

59°

9 PM

61°

59°

Mostly Cloudy

SSE 16

93%

59°

Tuesday
3 NOV 2026

12 AM

61°

59°

Mostly Cloudy

6%

0% Thunder
( 3% severe)

S 15

93%

59°

Low 58°

3 AM

61°

58°

Mostly Cloudy

S 17

93%

59°

High 73°

6 AM

62°

59°

Mostly Cloudy

36%
RAIN
<.01 in

0% Thunder
( 9% severe)

SSE 20

93%

60°

Mostly Cloudy

Rain Likely

Windy

9 AM

68°

68°

Mostly Cloudy

S 21

78%

61°

12 PM

71°

71°

Mostly Cloudy

63%
RAIN
>2 in

0% Thunder
( 16% severe)

S 22

73%

62°

3 PM

72°

72°

Mostly Cloudy

S 21

73%

63°

6 PM

66°

66°

Mostly Cloudy

S 16

90%

63°


DECATUR, IL extended weather forecast
Wednesday 4 NOV 2026	Thursday 5 NOV 2026	Friday 6 NOV 2026	Saturday 7 NOV 2026	Sunday 8 NOV 2026
Low 59°	Low 48°	Low 43°	Low 42°	Low 43°
High 66°	High 60°	High 57°	High 59°	High 58°

Overcast 100% Rain	Overcast 36% Rain	Overcast 43% Rain	Overcast 31% Rain	Partly Cloudy 34% Rain

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