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 JUN 5, 2026
Broken Clouds 82°F
Feels Like:	84°F
Dewpoint:	64°F
Rel. Hum.:	55%
Visibility:	10 miles
Wind:	SSW at 21 mph, gusts to 29
Pressure:	29.94 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. Near steady temperature in the lower 80s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

SATURDAY
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.

SATURDAY NIGHT
Mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph.

SUNDAY
Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 60 percent.

SUNDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 60s. Chance of rain 80 percent.

MONDAY
Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain near 100 percent.

MONDAY NIGHT
Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 70 percent.

TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. A chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent.

WEDNESDAY
Mostly sunny. Highs around 90.

WEDNESDAY NIGHT AND THURSDAY
Mostly clear. Lows in the lower 70s. Highs in the lower 90s.

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/ 5/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
5 JUN 2026

1 PM

81°

82°

Mostly Cloudy

34%
RAIN
.5–1 in

0% Thunder
( 35% severe)

SSW 20

54%

63°

High 84°

4 PM

83°

84°

Mostly Cloudy

SSW 20

53%

64°

Mostly Cloudy

Chance of Rain

Breezy

7 PM

81°

83°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 27% severe)

SSW 15

58%

65°

10 PM

75°

75°

Mostly Cloudy

SSW 13

71%

65°

Saturday
6 JUN 2026

1 AM

71°

71°

Mostly Cloudy

29%
RAIN
1–2 in

0% Thunder
( 21% severe)

SSW 13

79%

64°

Low 68°

4 AM

69°

69°

Mostly Cloudy

SW 12

84%

64°

High 87°

7 AM

71°

71°

Mostly Cloudy

5%

0% Thunder
( 11% severe)

SW 13

84%

66°

Mostly Cloudy

Chance of Rain

10 AM

79°

81°

Partly Cloudy

WSW 13

69%

68°

1 PM

84°

88°

Mostly Cloudy

25%
RAIN
>2 in

0% Thunder
( 25% severe)

WSW 13

61%

69°

4 PM

87°

90°

Mostly Cloudy

SW 13

53%

68°

7 PM

83°

86°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 13% severe)

SW 9

61%

68°

10 PM

75°

75°

Mostly Cloudy

S 6

79%

68°

Sunday
7 JUN 2026

1 AM

71°

71°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 10% severe)

SSW 5

87%

67°

Low 68°

4 AM

69°

69°

Mostly Cloudy

S 5

90%

66°

High 84°

7 AM

71°

71°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 15% severe)

SSE 5

87%

67°

Mostly Cloudy

Chance of Rain

10 AM

78°

80°

Mostly Cloudy

SSE 5

74%

69°

1 PM

81°

84°

Mostly Cloudy

27%
RAIN
<.01 in

0% Thunder
( 31% severe)

SE 8

67%

69°

4 PM

82°

85°

Mostly Cloudy

SE 10

61%

67°

7 PM

81°

84°

Mostly Cloudy

SE 10

63%

67°


DECATUR, IL extended weather forecast
Monday 8 JUN 2026	Tuesday 9 JUN 2026	Wednesday 10 JUN 2026	Thursday 11 JUN 2026	Friday 12 JUN 2026
Low 70°	Low 68°	Low 68°	Low 71°	Low 69°
High 86°	High 87°	High 89°	High 91°	High 88°

Overcast 80% Rain	Overcast 44% Rain	Mostly Cloudy 48% Rain	Partly Cloudy 23% Rain	Partly Cloudy 37% 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