DECATUR, IL 62521 Weather Forecast & Current Conditions

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62521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
DECATUR, IL Current Weather
1:54 AM CST MAR 1, 2026
Clear 25°F
Feels Like:	13°F
Dewpoint:	21°F
Rel. Hum.:	83%
Visibility:	10 miles
Wind:	NNE at 14 mph
Pressure:	30.26 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
Partly cloudy. Near steady temperature in the upper 20s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

SUNDAY
Partly sunny in the morning, then becoming mostly cloudy. Much cooler with highs in the lower 40s. Northeast winds 10 to 15 mph.

SUNDAY NIGHT
Snow. Snow accumulation around an inch. Lows in the upper 20s. East winds 10 to 15 mph. Chance of snow near 100 percent.

MONDAY
Cloudy. Highs in the lower 40s. East winds 10 to 15 mph.

MONDAY NIGHT
Cloudy. Rain after midnight. Near steady temperature around 40. Southeast winds 5 to 10 mph. Chance of rain 80 percent.

TUESDAY
Showers. Not as cool with highs in the mid 50s. Chance of rain 90 percent.

TUESDAY NIGHT
Showers. Not as cool. Near steady temperature in the lower 50s. Chance of rain 90 percent.

WEDNESDAY
A chance of thunderstorms. Showers. Highs in the lower 60s. Chance of rain 80 percent.

WEDNESDAY NIGHT
Showers likely. Lows in the upper 40s. Chance of rain 70 percent.

THURSDAY
Showers likely. Highs in the lower 60s. Chance of rain 60 percent.

THURSDAY NIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 50 percent.

FRIDAY
Showers likely. Highs in the upper 60s. Chance of rain 70 percent.

FRIDAY NIGHT
Showers likely. Lows in the upper 40s. Chance of rain 70 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 7:00 PM EST 2/28/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
1 MAR 2026

12 AM

31°

21°

Clear

1%

0% Thunder
( 0% severe)

NNE 14

67%

22°

Low 26°

3 AM

28°

17°

Partly Cloudy

NNE 13

73%

21°

High 42°

6 AM

27°

16°

Partly Cloudy

1%

0% Thunder
( 0% severe)

NNE 13

76%

21°

Mostly Cloudy

9 AM

32°

22°

Mostly Cloudy

NE 14

65%

22°

12 PM

39°

31°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

NE 14

49%

22°

3 PM

41°

34°

Mostly Cloudy

ENE 13

43%

21°

6 PM

39°

32°

Mostly Cloudy

47%
SNOW
10–20 in

0% Thunder
( 1% severe)

ENE 12

45%

20°

9 PM

36°

28°

Mostly Cloudy

E 10

53%

21°

Monday
2 MAR 2026

12 AM

34°

25°

Mostly Cloudy

53%
SNOW
***

0% Thunder
( 2% severe)

E 12

60%

22°

Low 29°

3 AM

32°

23°

Mostly Cloudy

E 12

74%

25°

High 43°

6 AM

31°

21°

Mostly Cloudy

29%
ICE
.1–.25 in

0% Thunder
( 1% severe)

E 13

81%

26°

Mostly Cloudy

Chance of Ice

9 AM

34°

25°

Mostly Cloudy

E 13

78%

28°

12 PM

39°

31°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 0% severe)

ESE 13

73%

31°

3 PM

42°

36°

Mostly Cloudy

ESE 12

70%

33°

6 PM

41°

35°

Mostly Cloudy

42%
RAIN
.5–1 in

0% Thunder
( 1% severe)

ESE 9

79%

35°

9 PM

40°

34°

Overcast

ESE 9

85%

36°


DECATUR, IL extended weather forecast
Tuesday 3 MAR 2026	Wednesday 4 MAR 2026	Thursday 5 MAR 2026	Friday 6 MAR 2026	Saturday 7 MAR 2026
Low 35°	Low 52°	Low 48°	Low 51°	Low 45°
High 55°	High 65°	High 62°	High 68°	High 56°

Overcast 80% Rain	Overcast 78% Rain	Mostly Cloudy 46% Rain	Overcast 63% Rain	Mostly Cloudy 61% Rain

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