DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
5:54 PM CDT APR 10, 2026
Overcast 55°F
Feels Like:	52°F
Dewpoint:	46°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	N at 10 mph
Pressure:	30.32 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
Mostly cloudy this evening, then becoming partly cloudy. Much cooler with lows in the lower 40s. North winds 5 to 10 mph, becoming east after midnight.

SATURDAY
Mostly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the mid 60s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

SATURDAY NIGHT
Mostly cloudy. Not as cool with lows in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

SUNDAY
Partly sunny in the morning, then becoming mostly cloudy. Breezy and not as cool with highs in the upper 70s. South winds 15 to 25 mph with gusts up to 35 mph.

SUNDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Breezy with lows in the mid 60s. Southwest winds 15 to 25 mph. Chance of rain 70 percent.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

MONDAY NIGHT
Mostly cloudy. Lows in the mid 60s.

TUESDAY THROUGH WEDNESDAY
Mostly cloudy with a chance of showers and thunderstorms. Breezy. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 50 percent.

WEDNESDAY NIGHT AND THURSDAY
Mostly cloudy. A chance of showers. Lows in the upper 50s. Highs in the upper 70s. Chance of rain 50 percent.

THURSDAY NIGHT
Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.

FRIDAY
Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.

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 8:00 AM EDT 4/10/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
10 APR 2026

1 PM

60°

58°

Mostly Cloudy

13%
RAIN
.01–.1 in

0% Thunder
( 4% severe)

NW 13

78%

53°

High 62°

4 PM

61°

59°

Mostly Cloudy

N 12

65%

49°

Mostly Cloudy

7 PM

59°

58°

Partly Cloudy

3%

0% Thunder
( 1% severe)

N 8

62%

46°

10 PM

53°

50°

Partly Cloudy

NNE 8

71%

44°

Saturday
11 APR 2026

1 AM

48°

44°

Partly Cloudy

4%

0% Thunder
( 1% severe)

ENE 8

80%

42°

Low 43°

4 AM

45°

40°

Partly Cloudy

E 9

82%

40°

High 65°

7 AM

44°

38°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 3% severe)

E 10

79%

38°

Mostly Cloudy

10 AM

52°

48°

Mostly Cloudy

E 12

61%

39°

1 PM

59°

57°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 6% severe)

ESE 12

53%

42°

4 PM

63°

62°

Mostly Cloudy

SE 10

54%

46°

7 PM

62°

61°

Mostly Cloudy

6%

0% Thunder
( 5% severe)

SE 10

62%

49°

10 PM

59°

57°

Mostly Cloudy

SE 12

75%

51°

Sunday
12 APR 2026

1 AM

59°

57°

Mostly Cloudy

2%

0% Thunder
( 5% severe)

SSE 13

78%

52°

Low 57°

4 AM

59°

56°

Mostly Cloudy

S 14

80%

53°

High 79°

7 AM

59°

56°

Mostly Cloudy

3%

0% Thunder
( 6% severe)

S 14

80%

53°

Mostly Cloudy

Chance of Rain

Breezy

10 AM

69°

69°

Mostly Cloudy

S 18

61%

55°

1 PM

77°

79°

Mostly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 14% severe)

SSW 23

47%

55°

4 PM

77°

78°

Mostly Cloudy

SSW 24

43%

53°

7 PM

73°

73°

Mostly Cloudy

SSW 20

49%

53°


DECATUR, IL extended weather forecast
Monday 13 APR 2026	Tuesday 14 APR 2026	Wednesday 15 APR 2026	Thursday 16 APR 2026	Friday 17 APR 2026
Low 59°	Low 61°	Low 61°	Low 56°	Low 51°
High 80°	High 80°	High 76°	High 74°	High 70°

Overcast 64% Rain	Overcast 39% Rain	Overcast 65% Rain	Partly Cloudy 44% Rain	Mostly Cloudy 33% Rain

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