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 AM CDT APR 2, 2026
Few Clouds 64°F
Feels Like:	62°F
Dewpoint:	59°F
Rel. Hum.:	84%
Visibility:	10 miles
Wind:	S at 20 mph, gusts to 30
Pressure:	29.80 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Weather Map

(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

TODAY
Cloudy. A chance of showers and thunderstorms this morning, then showers with thunderstorms likely this afternoon. Very windy and not as cool with highs in the lower 70s. South winds 20 to 30 mph, increasing to 30 to 35 mph this afternoon. Chance of rain 80 percent.

TONIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms. Showers likely, mainly in the evening. Windy and not as cool with lows in the upper 50s. South winds 20 to 30 mph with gusts up to 45 mph, becoming southwest 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 70 percent.

FRIDAY
Partly sunny in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 70 percent.

FRIDAY NIGHT
Showers with a chance of thunderstorms. Lows in the upper 50s. South winds 15 to 20 mph. Chance of rain near 100 percent.

SATURDAY
Showers likely in the morning. Much cooler. Less humid with highs in the lower 60s. Temperature falling into the upper 50s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

SATURDAY NIGHT AND SUNDAY
Partly cloudy. Lows in the mid 30s. Highs in the lower 50s.

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

MONDAY NIGHT THROUGH TUESDAY NIGHT
Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

WEDNESDAY
Mostly sunny. Not as cool with 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 PM EST 4/ 1/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
2 APR 2026

12 AM

51°

46°

Mostly Cloudy

67%
RAIN
***

0% Thunder
( 34% severe)

E 13

86%

47°

Low 50°

3 AM

55°

51°

Mostly Cloudy

ESE 14

86%

51°

High 74°

6 AM

60°

57°

Mostly Cloudy

54%
RAIN
.01–.1 in

0% Thunder
( 19% severe)

S 17

90%

57°

Mostly Cloudy

Rain Likely

Windy

9 AM

67°

67°

Mostly Cloudy

S 23

81%

61°

12 PM

70°

70°

Mostly Cloudy

82%
RAIN
***

0% Thunder
( 36% severe)

S 25

76%

62°

3 PM

70°

70°

Mostly Cloudy

S 26

76%

62°

6 PM

69°

69°

Partly Cloudy

62%
RAIN
***

0% Thunder
( 33% severe)

S 23

73%

60°

9 PM

67°

67°

Partly Cloudy

SSW 22

78%

60°

Friday
3 APR 2026

12 AM

64°

62°

Partly Cloudy

37%
RAIN
1–2 in

0% Thunder
( 13% severe)

SW 17

84%

59°

Low 57°

3 AM

60°

58°

Mostly Cloudy

W 13

90%

57°

High 77°

6 AM

57°

55°

Mostly Cloudy

19%
RAIN
.01–.1 in

0% Thunder
( 14% severe)

WNW 8

93%

55°

Mostly Cloudy

Rain Likely

9 AM

64°

63°

Mostly Cloudy

S 12

84%

59°

12 PM

73°

73°

Mostly Cloudy

62%
RAIN
>2 in

0% Thunder
( 34% severe)

S 15

71%

63°

3 PM

74°

74°

Mostly Cloudy

S 16

69%

63°

6 PM

72°

72°

Mostly Cloudy

69%
RAIN
***

0% Thunder
( 38% severe)

S 14

71%

62°

9 PM

68°

68°

Mostly Cloudy

S 15

78%

61°


DECATUR, IL extended weather forecast
Saturday 4 APR 2026	Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026
Low 56°	Low 37°	Low 35°	Low 32°	Low 29°
High 62°	High 56°	High 55°	High 44°	High 54°

Overcast 87% Rain	Partly Cloudy 12% Rain	Partly Cloudy 7% Rain	Partly Cloudy 10% Rain/Snow	Clear 9% Rain/Snow

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