BRIGHTON, IL 62012 Weather Forecast & Current Conditions

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62012 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALTON, IL Current Weather
4:50 PM CDT SEP 9, 2025
Clear 79°F
Feels Like:	79°F
Dewpoint:	48°F
Rel. Hum.:	34%
Visibility:	10 miles
Wind:	ESE at 6 mph
Pressure:	30.06 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)

62012 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	BRIGHTON, IL 62012 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy. Lows in the upper 50s. Southeast winds around 5 mph.

WEDNESDAY
Mostly sunny. Highs in the mid 80s. South winds around 5 mph.

WEDNESDAY NIGHT
Mostly clear. Lows around 60. East winds around 5 mph in the evening, becoming light and variable.

THURSDAY
Sunny. Highs in the upper 80s. Southeast winds around 5 mph.

THURSDAY NIGHT
Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph.

FRIDAY
Sunny. Highs in the lower 90s.

FRIDAY NIGHT THROUGH MONDAY NIGHT
Partly cloudy. Lows in the mid 60s. Highs in the lower 90s.

TUESDAY
Sunny. Highs around 90.

62012 WEATHER SATELLITE LOOPS

Visible Weather Satellite
BRIGHTON, IL 62012

Infrared Weather Satellite
BRIGHTON, IL 62012

62012 WEATHER RADAR LOOP

NEXRAD Weather Radar
BRIGHTON, IL 62012

MOS COMPUTER WEATHER FORECAST

ALTON, IL 3 hourly weather forecast

weather forecast created 6:00 AM MDT 9/ 9/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

TIME
CDT

TEMP
(deg. F)

FEELS
LIKE

CLOUD
COVER

PRECIP
PROB.

THUNDER
PROB.

WIND
dir./mph

REL
HUM

DEWPT
(deg. F)

Tuesday
9 SEP 2025

1 PM

75°

Partly Cloudy

0% Thunder
( 1% severe)

SSE 7

38%

48°

High 78°

4 PM

77°

78°

Mostly Cloudy

SE 7

35%

47°

Partly Cloudy

7 PM

72°

Clear

0% Thunder
( 2% severe)

E 6

48%

51°

10 PM

62°

63°

Partly Cloudy

E 3

70%

52°

Wednesday
10 SEP 2025

1 AM

58°

59°

Partly Cloudy

0% Thunder
( 2% severe)

ESE 2

77%

51°

Low 55°

4 AM

56°

Partly Cloudy

ESE 1

83%

51°

High 84°

7 AM

56°

Partly Cloudy

0% Thunder
( 2% severe)

SE 2

83%

51°

Partly Cloudy

10 AM

72°

Partly Cloudy

S 3

57%

56°

1 PM

81°

Partly Cloudy

0% Thunder
( 8% severe)

SSW 5

41%

55°

4 PM

83°

82°

Clear

SSE 5

38%

55°

7 PM

78°

79°

Clear

0% Thunder
( 8% severe)

ENE 3

50%

58°

10 PM

69°

Clear

E 2

70%

59°

Thursday
11 SEP 2025

1 AM

65°

Clear

0% Thunder
( 7% severe)

ESE 1

78%

58°

Low 59°

4 AM

61°

62°

Clear

E 1

87%

57°

High 87°

7 AM

60°

61°

Clear

0% Thunder
( 7% severe)

ESE 1

90%

57°

Clear

10 AM

76°

78°

Partly Cloudy

ESE 3

58%

60°

1 PM

84°

Clear

0% Thunder
( 19% severe)

E 5

44%

60°

4 PM

86°

85°

Clear

NE 5

39%

58°

7 PM

81°

82°

Clear

ENE 5

49%

60°


ALTON, IL extended weather forecast
Friday 12 SEP 2025	Saturday 13 SEP 2025	Sunday 14 SEP 2025	Monday 15 SEP 2025	Tuesday 16 SEP 2025
Low 63°	Low 60°	Low 62°	Low 63°	Low 62°
High 91°	High 92°	High 89°	High 90°	High 88°

Clear 4% Rain	Partly Cloudy 10% Rain	Partly Cloudy 14% Rain	Clear 15% Rain	Clear 18% Rain

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BRIGHTON, IL 62012 Weather Forecast & Current Conditions

ALTON, IL Current Weather

BRIGHTON, IL 62012 Weather Forecast

ALTON, IL 3 hourly weather forecast

ALTON, IL extended weather forecast

ALTON, IL
Current Weather

BRIGHTON, IL 62012
Weather Forecast