DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
5:54 PM CST FEB 2, 2026
Overcast 30°F
Feels Like:	27°F
Dewpoint:	25°F
Rel. Hum.:	81%
Visibility:	10 miles
Wind:	WSW at 3 mph
Pressure:	30.17 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

TONIGHT
Cloudy. A slight chance of snow after midnight. Lows around 19. Southeast winds around 5 mph, becoming northeast after midnight. Chance of snow 20 percent.

TUESDAY
Mostly cloudy. A slight chance of snow in the morning. Highs in the upper 20s. Northeast winds 5 to 10 mph. Chance of snow 20 percent.

TUESDAY NIGHT
Partly cloudy. Lows around 10 above. North winds 5 to 10 mph. Wind chill values as low as zero.

WEDNESDAY
Partly sunny. Highs in the mid 20s. North winds around 5 mph.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 10 above. West winds around 5 mph.

THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 30s.

THURSDAY NIGHT
Partly cloudy and not as cool. Near steady temperature in the upper 20s.

FRIDAY
Partly sunny. Highs in the upper 30s.

FRIDAY NIGHT THROUGH SATURDAY NIGHT
Partly cloudy. Lows 15 to 20. Highs around 30.

SUNDAY AND SUNDAY NIGHT
Partly cloudy. Highs in the mid 30s. Lows around 20.

MONDAY
Mostly sunny. Highs around 40.

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 2/ 2/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
2 FEB 2026

12 PM

29°

20°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

W 10

77%

23°

High 31°

3 PM

30°

22°

Mostly Cloudy

W 9

74%

23°

Mostly Cloudy

6 PM

25°

21°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

W 3

83%

21°

9 PM

23°

19°

Mostly Cloudy

S 1

87%

20°

Tuesday
3 FEB 2026

12 AM

22°

18°

Mostly Cloudy

24%
SNOW
<.1 in

0% Thunder
( 1% severe)

SE 1

91%

20°

Low 18°

3 AM

22°

17°

Mostly Cloudy

ENE 3

91%

20°

High 28°

6 AM

22°

15°

Mostly Cloudy

28%
SNOW
<.1 in

0% Thunder
( 1% severe)

NE 6

91%

20°

Mostly Cloudy

Chance of Snow

9 AM

24°

16°

Mostly Cloudy

NNE 7

87%

21°

12 PM

27°

19°

Mostly Cloudy

7%

0% Thunder
( 0% severe)

N 8

80%

22°

3 PM

28°

19°

Mostly Cloudy

N 9

73%

21°

6 PM

23°

15°

Partly Cloudy

2%

0% Thunder
( 0% severe)

N 7

83%

19°

9 PM

20°

12°

Partly Cloudy

NNE 6

82%

16°

Wednesday
4 FEB 2026

12 AM

16°

7°

Partly Cloudy

1%

0% Thunder
( 0% severe)

NNE 6

86%

13°

Low 11°

3 AM

14°

6°

Mostly Cloudy

NNE 5

86%

11°

High 25°

6 AM

13°

5°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

N 5

86%

10°

Mostly Cloudy

9 AM

16°

10°

Mostly Cloudy

N 3

82%

12°

12 PM

22°

15°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

NNW 6

71%

15°

3 PM

24°

17°

Partly Cloudy

NW 6

65%

15°

6 PM

19°

12°

Partly Cloudy

WNW 5

74%

13°


DECATUR, IL extended weather forecast
Thursday 5 FEB 2026	Friday 6 FEB 2026	Saturday 7 FEB 2026	Sunday 8 FEB 2026	Monday 9 FEB 2026
Low 13°	Low 28°	Low 12°	Low 14°	Low 23°
High 31°	High 35°	High 24°	High 27°	High 45°

Partly Cloudy 6% Snow	Partly Cloudy 7% Rain/Snow	Clear	Mostly Cloudy 12% Snow	Clear 18% Rain/Snow

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