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
1:54 PM CDT APR 3, 2026
Overcast 75°F
Feels Like:	75°F
Dewpoint:	64°F
Rel. Hum.:	69%
Visibility:	10 miles
Wind:	S at 13 mph
Pressure:	30.00 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 cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

TONIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

SATURDAY
Mostly cloudy. Showers in the morning. Much cooler. Less humid with highs in the lower 60s. Temperature falling into the mid 50s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

SATURDAY NIGHT
Mostly cloudy in the evening, then clearing. Much cooler with lows in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph.

SUNDAY
Mostly sunny. Highs in the lower 50s. Northwest winds around 15 mph with gusts up to 25 mph.

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

MONDAY NIGHT AND TUESDAY
Partly cloudy. Lows around 30. Highs in the lower 50s.

TUESDAY NIGHT AND WEDNESDAY
Mostly cloudy and breezy. Lows in the upper 30s. Highs in the upper 60s.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the lower 50s.

THURSDAY
Partly sunny and breezy. Highs in the lower 70s.

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 AM EST 4/ 3/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
3 APR 2026

12 PM

72°

72°

Mostly Cloudy

79%
RAIN
.25–.5 in

0% Thunder
( 40% severe)

S 12

76%

64°

High 75°

3 PM

74°

74°

Mostly Cloudy

S 13

74%

65°

Mostly Cloudy

Rain Likely

6 PM

71°

71°

Mostly Cloudy

80%
RAIN
.5–1 in

0% Thunder
( 46% severe)

S 12

76%

63°

9 PM

68°

68°

Mostly Cloudy

S 14

81%

62°

Saturday
4 APR 2026

12 AM

67°

67°

Mostly Cloudy

95%
RAIN
***

0% Thunder
( 39% severe)

S 15

84%

62°

Low 55°

3 AM

65°

65°

Mostly Cloudy

SW 16

87%

61°

High 64°

6 AM

62°

60°

Mostly Cloudy

81%
RAIN
***

0% Thunder
( 13% severe)

SW 14

90%

59°

Mostly Cloudy

Rain Likely

Breezy

9 AM

58°

55°

Mostly Cloudy

W 15

87%

54°

12 PM

56°

52°

Mostly Cloudy

29%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

W 17

72%

47°

3 PM

55°

50°

Mostly Cloudy

W 18

64%

43°

6 PM

50°

44°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

WNW 17

61%

37°

9 PM

45°

39°

Partly Cloudy

WNW 14

65%

34°

Sunday
5 APR 2026

12 AM

42°

35°

Partly Cloudy

1%

0% Thunder
( 1% severe)

WNW 13

67%

32°

Low 37°

3 AM

39°

31°

Partly Cloudy

WNW 13

76%

32°

High 55°

6 AM

38°

30°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 13

76%

31°

Partly Cloudy

9 AM

43°

36°

Mostly Cloudy

WNW 15

65%

32°

12 PM

49°

43°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 16

52%

32°

3 PM

52°

47°

Partly Cloudy

WNW 15

46%

32°

6 PM

50°

46°

Clear

WNW 10

50%

32°


DECATUR, IL extended weather forecast
Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026	Friday 10 APR 2026
Low 36°	Low 29°	Low 34°	Low 46°	Low 49°
High 57°	High 47°	High 60°	High 66°	High 73°

Partly Cloudy 9% Rain	Clear 6% Rain/Snow	Partly Cloudy 13% Rain	Mostly Cloudy 25% Rain	Partly Cloudy 35% 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