DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
2:54 PM CST JAN 26, 2026
Clear 7°F
Feels Like:	-10°F
Dewpoint:	-2°F
Rel. Hum.:	62%
Visibility:	10 miles
Wind:	WSW at 14 mph, gusts to 25
Pressure:	30.37 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
Mostly clear this evening, then becoming partly cloudy. Patchy blowing snow. Not as cold with lows around 3 above. Temperature rising to around 11 after midnight. Southwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 16 below.

TUESDAY
Patchy blowing snow in the morning. Mostly sunny. Not as cool with highs around 20. Temperature falling to around 15 in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 5 below.

TUESDAY NIGHT
Mostly clear. Colder with lows around 8 below. West winds 5 to 10 mph. Wind chill values as low as 21 below.

WEDNESDAY
Partly sunny. Highs in the lower 20s. West winds 5 to 10 mph. Wind chill values as low as 21 below in the morning.

WEDNESDAY NIGHT
Partly cloudy. Cold with lows around 1 below. Northwest winds 5 to 10 mph.

THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs 10 to 15.

THURSDAY NIGHT AND FRIDAY
Partly cloudy. Lows 5 below to zero. Highs around 10 above. Wind chill values as low as 20 below.

FRIDAY NIGHT
Mostly clear. Cold with lows around zero. Wind chill values as low as 15 below.

SATURDAY AND SATURDAY NIGHT
Partly cloudy. Highs 15 to 20. Lows around zero. Wind chill values as low as 15 below.

SUNDAY
Mostly sunny. Highs in the lower 20s. Wind chill values as low as 15 below in the morning.

SUNDAY NIGHT AND MONDAY
Mostly cloudy. Lows around 10 above. Highs in the upper 20s. Wind chill values as low as zero.

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 1/26/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
26 JAN 2026

12 PM

5°

-12°

Partly Cloudy

0%

0% Thunder
( 0% severe)

W 13

69%

-2°

High 9°

3 PM

8°

-8°

Partly Cloudy

W 13

65%

0°

Partly Cloudy

6 PM

4°

-11°

Partly Cloudy

0%

0% Thunder
( 0% severe)

SW 10

76%

-1°

9 PM

5°

-12°

Partly Cloudy

SSW 14

72%

-1°

Tuesday
27 JAN 2026

12 AM

8°

-10°

Partly Cloudy

3%

0% Thunder
( 0% severe)

SSW 16

73%

2°

Low 3°

3 AM

11°

-6°

Mostly Cloudy

SW 16

77%

6°

High 20°

6 AM

14°

-2°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WSW 15

77%

9°

Partly Cloudy

9 AM

16°

1°

Partly Cloudy

W 15

86%

13°

12 PM

18°

3°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 16

74%

12°

3 PM

18°

4°

Partly Cloudy

WNW 14

64%

9°

6 PM

10°

-3°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 9

77%

5°

9 PM

4°

-8°

Clear

NW 7

76%

-1°

Wednesday
28 JAN 2026

12 AM

0°

-10°

Clear

0%

0% Thunder
( 0% severe)

WNW 5

80%

-4°

Low -3°

3 AM

-2°

-14°

Partly Cloudy

W 6

80%

-6°

High 18°

6 AM

-2°

-15°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WSW 7

76%

-7°

Mostly Cloudy

9 AM

6°

-7°

Partly Cloudy

WSW 8

73%

0°

12 PM

14°

0°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

W 12

70%

7°

3 PM

18°

6°

Mostly Cloudy

W 10

67%

10°

6 PM

16°

5°

Mostly Cloudy

W 8

78%

11°


DECATUR, IL extended weather forecast
Thursday 29 JAN 2026	Friday 30 JAN 2026	Saturday 31 JAN 2026	Sunday 1 FEB 2026	Monday 2 FEB 2026
Low 5°	Low 2°	Low 5°	Low 11°	Low 14°
High 17°	High 12°	High 18°	High 25°	High 34°

Overcast 16% Snow	Mostly Cloudy 22% Snow	Overcast 12% Snow	Partly Cloudy 8% Snow	Overcast 19% Snow

WEATHER SELECT BOX EXAMPLES:

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Decatur, IL
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62521
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