DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
1:54 PM CDT JUN 2, 2026
Clear 81°F
Feels Like:	80°F
Dewpoint:	43°F
Rel. Hum.:	26%
Visibility:	10 miles
Wind:	E at 13 mph
Pressure:	30.27 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

THIS AFTERNOON
Sunny. Near steady temperature in the lower 80s. East winds 10 to 15 mph.

TONIGHT
Clear. Lows in the mid 50s. East winds 5 to 10 mph.

WEDNESDAY
Sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.

WEDNESDAY NIGHT
Mostly clear. Lows in the upper 50s. Southeast winds 5 to 10 mph.

THURSDAY
Sunny. Highs in the mid 80s. South winds 10 to 15 mph.

THURSDAY NIGHT
Mostly clear. Lows in the lower 60s.

FRIDAY
Mostly sunny. Highs in the mid 80s.

FRIDAY NIGHT THROUGH SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 50 percent.

SUNDAY
Partly sunny. Highs in the mid 80s.

SUNDAY NIGHT
Partly cloudy. Lows in the mid 60s.

MONDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 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 6/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
CDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Tuesday
2 JUN 2026

1 PM

77°

78°

Clear

0% Thunder
( 1% severe)

E 14

37%

49°

High 80°

4 PM

79°

Clear

E 13

32%

47°

Clear

7 PM

75°

Clear

0% Thunder
( 1% severe)

E 12

37%

47°

10 PM

64°

Clear

E 8

50%

45°

Wednesday
3 JUN 2026

1 AM

59°

58°

Clear

0% Thunder
( 1% severe)

E 7

60%

45°

Low 54°

4 AM

55°

54°

Clear

ENE 5

66%

44°

High 79°

7 AM

58°

57°

Clear

0% Thunder
( 1% severe)

E 7

64%

46°

Clear

10 AM

71°

Clear

ESE 8

47%

50°

1 PM

76°

78°

Clear

0% Thunder
( 1% severe)

ESE 8

39%

49°

4 PM

79°

Partly Cloudy

SE 8

35%

49°

7 PM

77°

78°

Clear

0% Thunder
( 2% severe)

SE 8

40%

51°

10 PM

66°

Clear

SE 6

61%

52°

Thursday
4 JUN 2026

1 AM

61°

Partly Cloudy

0% Thunder
( 1% severe)

SSE 6

72%

52°

Low 57°

4 AM

59°

58°

Clear

S 6

80%

53°

High 83°

7 AM

62°

61°

Partly Cloudy

0% Thunder
( 1% severe)

S 8

78%

55°

Partly Cloudy

10 AM

76°

78°

Partly Cloudy

S 10

54%

58°

1 PM

81°

Partly Cloudy

0% Thunder
( 4% severe)

SSW 13

44%

57°

4 PM

83°

82°

Partly Cloudy

SSW 15

38%

55°

7 PM

80°

Partly Cloudy

S 12

45%

57°


DECATUR, IL extended weather forecast
Friday 5 JUN 2026	Saturday 6 JUN 2026	Sunday 7 JUN 2026	Monday 8 JUN 2026	Tuesday 9 JUN 2026
Low 64°	Low 66°	Low 63°	Low 61°	Low 61°
High 83°	High 81°	High 82°	High 84°	High 83°

Partly Cloudy 22% Rain	Overcast 64% Rain	Mostly Cloudy 24% Rain	Partly Cloudy 16% Rain	Partly Cloudy 28% Rain