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
12:54 AM CDT APR 3, 2026
Broken Clouds 66°F
Feels Like:	66°F
Dewpoint:	63°F
Rel. Hum.:	90%
Visibility:	10 miles
Wind:	WSW at 10 mph, gusts to 20
Pressure:
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

REST OF TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

FRIDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph. Chance of rain 40 percent.

FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

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

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

SUNDAY
Mostly sunny. Cooler with highs in the lower 50s.

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

MONDAY NIGHT AND TUESDAY
Mostly clear. Lows in the upper 20s. Highs in the lower 50s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.

WEDNESDAY
Partly sunny. Not as cool with highs in the upper 60s.

WEDNESDAY NIGHT
Partly cloudy. Not as cool with lows around 50.

THURSDAY
Partly sunny. 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 PM EST 4/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
3 APR 2026

12 AM

64°

63°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 6% severe)

SW 14

84%

59°

Low 54°

3 AM

59°

58°

Partly Cloudy

W 8

87%

55°

High 76°

6 AM

55°

55°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 9% severe)

W 3

93%

53°

Mostly Cloudy

Rain Likely

9 AM

63°

63°

Mostly Cloudy

S 8

81%

57°

12 PM

71°

71°

Mostly Cloudy

62%
RAIN
***

0% Thunder
( 38% severe)

S 13

76%

63°

3 PM

74°

74°

Mostly Cloudy

S 14

71%

64°

6 PM

71°

71°

Mostly Cloudy

77%
RAIN
***

0% Thunder
( 42% 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

90%
RAIN
***

0% Thunder
( 34% severe)

S 15

81%

61°

Low 55°

3 AM

64°

62°

Mostly Cloudy

SW 16

87%

60°

High 63°

6 AM

61°

59°

Mostly Cloudy

73%
RAIN
***

0% Thunder
( 10% severe)

SW 14

93%

59°

Mostly Cloudy

Rain Likely

Breezy

9 AM

58°

55°

Mostly Cloudy

W 16

87%

54°

12 PM

56°

52°

Mostly Cloudy

29%
RAIN
.25–.5 in

0% Thunder
( 1% severe)

W 18

74%

48°

3 PM

55°

50°

Mostly Cloudy

W 20

64%

43°

6 PM

50°

44°

Mostly Cloudy

6%

0% Thunder
( 0% severe)

WNW 16

61%

37°

9 PM

45°

39°

Partly Cloudy

WNW 14

65%

34°


DECATUR, IL extended weather forecast
Sunday 5 APR 2026	Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026
Low 36°	Low 36°	Low 29°	Low 34°	Low 46°
High 53°	High 57°	High 47°	High 60°	High 66°

Partly Cloudy 18% Rain	Partly Cloudy 9% Rain	Clear 6% Rain/Snow	Partly Cloudy 13% Rain	Mostly Cloudy 25% Rain

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