DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
3:54 PM CDT APR 23, 2026
Broken Clouds 79°F
Feels Like:	79°F
Dewpoint:	54°F
Rel. Hum.:	42%
Visibility:	10 miles
Wind:	S at 22 mph, gusts to 33
Pressure:	29.80 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
Partly cloudy this evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers, mainly in the morning. Highs in the mid 70s. South winds around 15 mph, becoming west in the afternoon. Chance of rain 80 percent.

FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Cooler with lows around 50. North winds 10 to 15 mph.

SATURDAY
Sunny. Highs in the mid 70s. Northeast winds around 10 mph.

SATURDAY NIGHT
Partly cloudy. Lows around 50. Northeast winds around 10 mph.

SUNDAY
Partly sunny. Highs in the mid 70s.

SUNDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 40 percent.

MONDAY
A chance of thunderstorms. Showers, windy with highs in the mid 70s. Chance of rain 80 percent.

MONDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then mostly clear after midnight. Breezy with lows in the lower 50s. Chance of rain 70 percent.

TUESDAY
Mostly sunny. Highs in the upper 60s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 40s.

WEDNESDAY
Mostly sunny. Highs in the upper 60s.

WEDNESDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 40s. Chance of rain 30 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 4/23/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
23 APR 2026

1 PM

78°

79°

Partly Cloudy

1%

0% Thunder
( 11% severe)

S 18

45%

55°

High 80°

4 PM

79°

79°

Partly Cloudy

S 20

42%

54°

Partly Cloudy

Breezy

7 PM

75°

75°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 18% severe)

S 18

52%

56°

10 PM

69°

69°

Partly Cloudy

S 16

63%

56°

Friday
24 APR 2026

1 AM

67°

67°

Partly Cloudy

61%
RAIN
***

0% Thunder
( 36% severe)

S 16

68%

56°

Low 62°

4 AM

65°

65°

Mostly Cloudy

S 16

75%

57°

High 74°

7 AM

62°

60°

Mostly Cloudy

63%
RAIN
***

0% Thunder
( 23% severe)

S 15

84%

57°

Mostly Cloudy

Rain Likely

10 AM

67°

67°

Mostly Cloudy

SSW 15

75%

59°

1 PM

71°

71°

Mostly Cloudy

44%
RAIN
.1–.25 in

0% Thunder
( 22% severe)

WSW 15

63%

58°

4 PM

73°

73°

Mostly Cloudy

W 14

55%

56°

7 PM

69°

69°

Partly Cloudy

13%
RAIN
.1–.25 in

0% Thunder
( 4% severe)

NW 10

59%

54°

10 PM

62°

61°

Partly Cloudy

NNW 9

67%

51°

Saturday
25 APR 2026

1 AM

56°

54°

Partly Cloudy

4%

0% Thunder
( 1% severe)

N 8

77%

49°

Low 50°

4 AM

53°

50°

Partly Cloudy

N 8

77%

46°

High 75°

7 AM

51°

48°

Clear

1%

0% Thunder
( 1% severe)

NNE 9

80%

45°

Clear

10 AM

63°

62°

Clear

NE 10

58%

48°

1 PM

71°

71°

Clear

1%

0% Thunder
( 1% severe)

NE 10

42%

47°

4 PM

74°

74°

Clear

NE 12

33%

43°

7 PM

69°

69°

Partly Cloudy

ENE 10

37%

42°


DECATUR, IL extended weather forecast
Sunday 26 APR 2026	Monday 27 APR 2026	Tuesday 28 APR 2026	Wednesday 29 APR 2026	Thursday 30 APR 2026
Low 50°	Low 54°	Low 52°	Low 47°	Low 47°
High 72°	High 74°	High 69°	High 68°	High 67°

Partly Cloudy 14% Rain	Overcast 63% Rain	Partly Cloudy 40% Rain	Overcast 23% Rain	Partly Cloudy 30% Rain

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