ROANOKE, IL 61561 Weather Forecast & Current Conditions

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61561 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
LACON/MARSHALL CNTY, IL Current Weather
12:35 PM CDT AUG 18, 2025
Clear 90°F
Feels Like:	101°F
Dewpoint:	75°F
Rel. Hum.:	62%
Visibility:	10 miles
Wind:	SSW at 10 mph
Pressure:	30.00 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

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(Automated weather data from NWS/FAA)

61561 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	ROANOKE, IL 61561 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly sunny with a chance of showers and thunderstorms. Near steady temperature around 90. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107.

TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 50 percent.

TUESDAY
Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 in the afternoon.

TUESDAY NIGHT
Partly cloudy. Humid with lows in the upper 60s. North winds around 5 mph.

WEDNESDAY
Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.

WEDNESDAY NIGHT AND THURSDAY
Mostly clear. Lows in the lower 60s. Highs in the lower 80s.

THURSDAY NIGHT
Clear. Lows in the lower 60s.

FRIDAY
Sunny. Highs in the lower 80s.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

SATURDAY AND SATURDAY NIGHT
Mostly clear. Highs in the lower 80s. Lows in the mid 50s.

SUNDAY
Sunny. Highs in the mid 70s.

61561 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ROANOKE, IL 61561

Infrared Weather Satellite
ROANOKE, IL 61561

61561 WEATHER RADAR LOOP

NEXRAD Weather Radar
ROANOKE, IL 61561

MOS COMPUTER WEATHER FORECAST

LACON/MARSHALL CNTY, IL 3 hourly weather forecast

weather forecast created 7:00 AM CDT 8/18/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
18 AUG 2025

1 PM

86°

95°

Partly Cloudy

26%
RAIN
***

0% Thunder
( 44% severe)

S 7

70%

75°

High 89°

4 PM

88°

97°

Partly Cloudy

SSW 6

63%

74°

Partly Cloudy

Chance of Rain

7 PM

85°

93°

Partly Cloudy

34%
RAIN
***

0% Thunder
( 39% severe)

S 2

72%

75°

10 PM

77°

78°

Partly Cloudy

S 2

87%

73°

Tuesday
19 AUG 2025

1 AM

75°

75°

Partly Cloudy

51%
RAIN
>2 in

0% Thunder
( 41% severe)

S 2

90%

72°

Low 72°

4 AM

74°

74°

Mostly Cloudy

SSW 2

90%

71°

High 87°

7 AM

74°

74°

Mostly Cloudy

23%
RAIN
.1–.25 in

0% Thunder
( 18% severe)

WSW 2

90%

71°

Mostly Cloudy

Chance of Rain

10 AM

79°

82°

Partly Cloudy

NW 3

82%

73°

1 PM

83°

89°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 19% severe)

NNW 5

72%

73°

4 PM

85°

92°

Partly Cloudy

N 5

67%

73°

7 PM

82°

87°

Partly Cloudy

7%

0% Thunder
( 11% severe)

N 3

74%

73°

10 PM

75°

75°

Partly Cloudy

N 2

87%

71°

Wednesday
20 AUG 2025

1 AM

72°

72°

Partly Cloudy

2%

0% Thunder
( 8% severe)

NNE 2

93%

70°

Low 68°

4 AM

70°

70°

Partly Cloudy

NNE 2

97%

69°

High 81°

7 AM

69°

69°

Partly Cloudy

4%

0% Thunder
( 5% severe)

NNE 3

93%

67°

Partly Cloudy

10 AM

75°

75°

Partly Cloudy

NNE 7

79%

68°

1 PM

79°

81°

Partly Cloudy

3%

0% Thunder
( 11% severe)

NNE 8

67%

67°

4 PM

80°

82°

Partly Cloudy

NNE 8

62%

66°

7 PM

76°

78°

Partly Cloudy

NNE 7

71%

66°


LACON/MARSHALL CNTY, IL extended weather forecast
Thursday 21 AUG 2025	Friday 22 AUG 2025	Saturday 23 AUG 2025	Sunday 24 AUG 2025	Monday 25 AUG 2025
Low 62°	Low 60°	Low 62°	Low 56°	Low 55°
High 86°	High 86°	High 79°	High 79°	High 76°

Clear 7% Rain	Clear 14% Rain	Partly Cloudy 18% Rain	Partly Cloudy 18% Rain	Partly Cloudy 19% Rain

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