DECATUR, IL 62521 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
3:54 PM CDT JUN 11, 2026
Scattered Clouds 90°F
Feels Like:	101°F
Dewpoint:	75°F
Rel. Hum.:	62%
Visibility:	10 miles
Wind:	S at 23 mph, gusts to 32
Pressure:	29.71 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
Mostly sunny with a 20 percent chance of thunderstorms. Some thunderstorms may be severe with damaging winds, heavy rainfall, and tornadoes. Breezy. Near steady temperature in the upper 80s. South winds 20 to 25 mph with gusts up to 35 mph. Heat index values up to 100.

TONIGHT
Showers and thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may be severe with damaging winds, heavy rainfall, and tornadoes. Locally heavy rainfall possible in the evening. Lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain near 100 percent.

FRIDAY
Sunny, cooler with highs in the upper 70s. West winds 5 to 10 mph.

FRIDAY NIGHT
Mostly clear. Lows around 60. Southwest winds 5 to 10 mph, becoming south after midnight.

SATURDAY
Sunny in the morning, then becoming partly sunny. Highs in the lower 80s. South winds 10 to 15 mph.

SATURDAY NIGHT
A chance of thunderstorms. Showers. Lows in the lower 60s. Chance of rain 80 percent.

SUNDAY
Mostly sunny. Cooler with highs in the lower 70s.

SUNDAY NIGHT THROUGH TUESDAY
Mostly clear. Lows in the mid 50s. Highs in the upper 70s.

TUESDAY NIGHT
Partly cloudy. Lows around 60.

WEDNESDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the lower 80s. 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 6/11/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
11 JUN 2026

1 PM

86°

92°

Partly Cloudy

36%
RAIN
.25–.5 in

0% Thunder
( 51% severe)

SSW 17

63%

72°

High 90°

4 PM

89°

95°

Partly Cloudy

SSW 22

56%

71°

Mostly Cloudy

Rain

Breezy

7 PM

84°

88°

Mostly Cloudy

96%
RAIN
***

0% Thunder
( 53% severe)

SSW 20

63%

70°

10 PM

73°

73°

Mostly Cloudy

W 16

84%

68°

Friday
12 JUN 2026

1 AM

66°

66°

Partly Cloudy

4%

0% Thunder
( 4% severe)

NW 13

90%

63°

Low 60°

4 AM

62°

61°

Clear

WNW 8

90%

59°

High 79°

7 AM

62°

62°

Clear

0%

0% Thunder
( 1% severe)

W 7

90%

59°

Clear

10 AM

72°

72°

Clear

WNW 8

64%

59°

1 PM

76°

78°

Clear

0%

0% Thunder
( 4% severe)

WNW 10

54%

58°

4 PM

79°

80°

Clear

WNW 12

49%

58°

7 PM

78°

79°

Clear

0%

0% Thunder
( 4% severe)

WNW 7

54%

60°

10 PM

68°

68°

Clear

S 3

73%

59°

Saturday
13 JUN 2026

1 AM

64°

65°

Clear

1%

0% Thunder
( 4% severe)

S 3

81%

58°

Low 60°

4 AM

62°

62°

Partly Cloudy

S 5

87%

58°

High 83°

7 AM

65°

65°

Partly Cloudy

1%

0% Thunder
( 17% severe)

S 8

81%

59°

Partly Cloudy

10 AM

76°

78°

Partly Cloudy

S 12

64%

63°

1 PM

80°

81°

Partly Cloudy

18%
RAIN
>2 in

0% Thunder
( 33% severe)

S 15

56%

63°

4 PM

81°

82°

Mostly Cloudy

SSW 15

54%

63°

7 PM

79°

81°

Mostly Cloudy

SSW 14

60%

64°


DECATUR, IL extended weather forecast
Sunday 14 JUN 2026	Monday 15 JUN 2026	Tuesday 16 JUN 2026	Wednesday 17 JUN 2026	Thursday 18 JUN 2026
Low 61°	Low 54°	Low 54°	Low 58°	Low 63°
High 75°	High 77°	High 74°	High 78°	High 86°

Mostly Cloudy 41% Rain	Partly Cloudy 11% Rain	Partly Cloudy 37% Rain	Partly Cloudy 27% Rain	Mostly Cloudy 25% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Decatur, IL
Decatur, IL snow
Decatur, IL radar
IL map

-or-
-or-
-or-

62521
62521 snow
62521 radar

-or-
-or-

IL
IL snow

Copyright © 2024 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately