DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
12:54 AM CST JAN 25, 2026
Overcast Light Snow Mist 7°F
Feels Like:	-11°F
Dewpoint:	3°F
Rel. Hum.:	81%
Visibility:	1 1/4 miles
Wind:	NNE at 16 mph
Pressure:	30.22 inches
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
Snow. Snow accumulation of 1 to 3 inches. Not as cool. Near steady temperature around 8 above. Northeast winds 10 to 15 mph. Chance of snow near 100 percent. Wind chill values as low as 9 below.

SUNDAY
Snow. Total snow accumulation of 6 to 10 inches. Highs around 14. North winds 10 to 15 mph with gusts up to 25 mph. Chance of snow near 100 percent. Wind chill values as low as 8 below.

SUNDAY NIGHT
Partly cloudy in the evening, then clearing. Colder with lows around 4 below. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 24 below.

MONDAY
Sunny. Highs around 10 above. West winds 10 to 15 mph. Wind chill values as low as 24 below.

MONDAY NIGHT
Mostly clear. Cold with lows around zero. Temperature rising to around 9 above after midnight. Southwest winds 15 to 20 mph. Wind chill values as low as 15 below.

TUESDAY AND TUESDAY NIGHT
Partly cloudy. Highs in the mid 20s. Lows around zero. Wind chill values as low as 10 below.

WEDNESDAY
Partly sunny. Highs 15 to 20. Wind chill values as low as 10 below in the morning.

WEDNESDAY NIGHT THROUGH SATURDAY
Partly cloudy. Lows 5 below to zero. Highs 15 to 20. Wind chill values as low as 20 below.

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 1/24/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
25 JAN 2026

12 AM

9°

-5°

Mostly Cloudy

88%
SNOW
***

0% Thunder
( 0% severe)

NE 10

81%

5°

Low 8°

3 AM

9°

-6°

Mostly Cloudy

NNE 12

81%

5°

High 13°

6 AM

9°

-7°

Mostly Cloudy

91%
SNOW
***

0% Thunder
( 0% severe)

NNE 13

85%

6°

Mostly Cloudy

Snow

9 AM

9°

-8°

Mostly Cloudy

NNE 15

85%

6°

12 PM

11°

-6°

Mostly Cloudy

74%
SNOW
2.5–5 in

0% Thunder
( 0% severe)

N 16

86%

8°

3 PM

12°

-5°

Mostly Cloudy

NNW 16

81%

8°

6 PM

11°

-5°

Mostly Cloudy

10%
SNOW
.1–1 in

0% Thunder
( 0% severe)

NNW 15

77%

6°

9 PM

8°

-9°

Partly Cloudy

NNW 14

73%

2°

Monday
26 JAN 2026

12 AM

4°

-13°

Clear

3%

0% Thunder
( 0% severe)

NW 13

72%

-2°

Low -5°

3 AM

0°

-18°

Clear

NW 13

72%

-6°

High 8°

6 AM

-2°

-20°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 12

76%

-7°

Partly Cloudy

9 AM

-1°

-19°

Partly Cloudy

WNW 13

76%

-6°

12 PM

4°

-14°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 14

72%

-2°

3 PM

7°

-9°

Partly Cloudy

W 13

65%

-1°

6 PM

3°

-12°

Partly Cloudy

0%

0% Thunder
( 0% severe)

SW 9

72%

-3°

9 PM

4°

-12°

Clear

SSW 12

69%

-3°


DECATUR, IL extended weather forecast
Tuesday 27 JAN 2026	Wednesday 28 JAN 2026	Thursday 29 JAN 2026	Friday 30 JAN 2026	Saturday 31 JAN 2026
Low 5°	Low -7°	Low -6°	Low 9°	Low 9°
High 19°	High 11°	High 15°	High 15°	High 14°

Mostly Cloudy 3% Snow	Partly Cloudy 6% Snow	Mostly Cloudy 14% Snow	Overcast 30% Snow	Partly Cloudy 10% Snow

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