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
11:54 AM CDT APR 21, 2026
Clear 70°F
Feels Like:	70°F
Dewpoint:	48°F
Rel. Hum.:	45%
Visibility:	10 miles
Wind:	SW at 22 mph, gusts to 33
Pressure:	30.04 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

REST OF TODAY
Mostly sunny and breezy. Not as cool with highs in the upper 70s. Southwest winds 15 to 25 mph with gusts up to 35 mph.

TONIGHT
Mostly cloudy with isolated showers and thunderstorms in the evening, then partly cloudy with scattered showers and thunderstorms after midnight. Not as cool with lows in the upper 50s. Southwest winds 15 to 20 mph. Chance of rain 40 percent.

WEDNESDAY
Mostly sunny. Scattered showers and thunderstorms in the morning. Highs in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 30 percent.

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

THURSDAY
Mostly sunny. Highs in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph.

THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 50 percent.

FRIDAY
Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 80 percent.

FRIDAY NIGHT AND SATURDAY
Partly cloudy. Lows in the lower 50s. Highs around 70.

SATURDAY NIGHT AND SUNDAY
Partly cloudy. Lows in the upper 40s. Highs in the lower 70s.

SUNDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50 percent.

MONDAY
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 70s. Chance of rain 60 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 4/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
21 APR 2026

1 PM

73°

73°

Partly Cloudy

7%

0% Thunder
( 11% severe)

SW 20

40%

47°

High 77°

4 PM

76°

78°

Clear

SW 21

39%

49°

Partly Cloudy

Breezy

7 PM

72°

72°

Partly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 17% severe)

SW 16

46%

50°

10 PM

66°

66°

Mostly Cloudy

SW 13

61%

52°

Wednesday
22 APR 2026

1 AM

64°

63°

Partly Cloudy

30%
RAIN
>2 in

0% Thunder
( 16% severe)

WSW 13

65%

52°

Low 58°

4 AM

61°

59°

Partly Cloudy

WSW 13

75%

53°

High 75°

7 AM

60°

58°

Partly Cloudy

6%

0% Thunder
( 11% severe)

WSW 12

81%

54°

Partly Cloudy

10 AM

66°

66°

Partly Cloudy

WSW 12

70%

56°

1 PM

72°

72°

Partly Cloudy

6%

0% Thunder
( 14% severe)

WSW 12

59%

57°

4 PM

75°

75°

Partly Cloudy

SW 10

54%

57°

7 PM

72°

72°

Partly Cloudy

3%

0% Thunder
( 6% severe)

SSW 8

57%

56°

10 PM

65°

65°

Partly Cloudy

S 8

70%

55°

Thursday
23 APR 2026

1 AM

61°

60°

Partly Cloudy

0%

0% Thunder
( 2% severe)

S 8

81%

55°

Low 56°

4 AM

59°

57°

Partly Cloudy

S 9

80%

53°

High 80°

7 AM

58°

56°

Clear

0%

0% Thunder
( 2% severe)

S 10

80%

52°

Partly Cloudy

Breezy

10 AM

70°

70°

Clear

S 15

57%

54°

1 PM

77°

78°

Partly Cloudy

2%

0% Thunder
( 9% severe)

S 20

45%

54°

4 PM

79°

79°

Partly Cloudy

S 20

42%

54°

7 PM

74°

74°

Partly Cloudy

S 17

51%

55°


DECATUR, IL extended weather forecast
Friday 24 APR 2026	Saturday 25 APR 2026	Sunday 26 APR 2026	Monday 27 APR 2026	Tuesday 28 APR 2026
Low 60°	Low 54°	Low 49°	Low 52°	Low 54°
High 77°	High 72°	High 71°	High 67°	High 64°

Overcast 76% Rain	Mostly Cloudy 60% Rain	Partly Cloudy 25% Rain	Overcast 52% Rain	Overcast 57% 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