ALTON, IL 62002 Weather Forecast & Current Conditions

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62002 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALTON, IL Current Weather
1:50 PM CDT MAY 27, 2025
Broken Clouds 70°F
Feels Like:	70°F
Dewpoint:	52°F
Rel. Hum.:	53%
Visibility:	10 miles
Wind:	N at 8 mph
Pressure:	30.08 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

62002 WEATHER FORECAST
10-Day model forecast maps 2024 Hurricanes	ALTON, IL 62002 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly cloudy with a 20 percent chance of showers. Highs around 70. Northeast winds 5 to 10 mph.

TONIGHT
Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. North winds around 5 mph.

WEDNESDAY
Partly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 50s. Northwest winds around 5 mph.

THURSDAY
Partly sunny with a 40 percent chance of showers. Highs in the lower 70s. North winds around 5 mph.

THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 50s. Chance of rain 20 percent.

FRIDAY
Mostly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent.

FRIDAY NIGHT
Mostly clear. Lows in the upper 50s.

SATURDAY
Sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

SATURDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20 percent.

SUNDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

SUNDAY NIGHT AND MONDAY
Mostly clear. Lows in the lower 60s. Highs in the mid 80s.

62002 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ALTON, IL 62002

Infrared Weather Satellite
ALTON, IL 62002

62002 WEATHER RADAR LOOP

NEXRAD Weather Radar
ALTON, IL 62002

MOS COMPUTER WEATHER FORECAST

ALTON, IL 3 hourly weather forecast

weather forecast created 6:00 AM MDT 5/27/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
27 MAY 2025

1 PM

66°

66°

Mostly Cloudy

7%

0% Thunder
( 6% severe)

NNE 8

56%

50°

High 71°

4 PM

69°

69°

Mostly Cloudy

NNE 7

51%

50°

Mostly Cloudy

7 PM

70°

70°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 7% severe)

N 7

51%

51°

10 PM

63°

64°

Mostly Cloudy

N 3

67%

52°

Wednesday
28 MAY 2025

1 AM

60°

61°

Mostly Cloudy

42%
RAIN
***

0% Thunder
( 11% severe)

N 2

78%

53°

Low 56°

4 AM

58°

59°

Mostly Cloudy

NW 2

87%

54°

High 74°

7 AM

58°

58°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 7% severe)

NW 3

90%

55°

Mostly Cloudy

10 AM

65°

65°

Partly Cloudy

NW 6

70%

55°

1 PM

71°

71°

Partly Cloudy

5%

0% Thunder
( 10% severe)

NW 7

55%

54°

4 PM

73°

73°

Mostly Cloudy

WNW 6

49%

53°

7 PM

73°

73°

Partly Cloudy

1%

0% Thunder
( 4% severe)

NNW 5

49%

53°

10 PM

63°

64°

Partly Cloudy

NNW 1

72%

54°

Thursday
29 MAY 2025

1 AM

59°

60°

Partly Cloudy

6%

0% Thunder
( 3% severe)

N 1

83%

54°

Low 56°

4 AM

57°

58°

Mostly Cloudy

NE 2

86%

53°

High 71°

7 AM

58°

58°

Mostly Cloudy

29%
RAIN
***

0% Thunder
( 8% severe)

NE 3

87%

54°

Mostly Cloudy

Chance of Rain

10 AM

66°

66°

Mostly Cloudy

ENE 6

70%

56°

1 PM

68°

68°

Mostly Cloudy

32%
RAIN
***

0% Thunder
( 12% severe)

N 7

63%

55°

4 PM

68°

68°

Mostly Cloudy

N 7

63%

55°

7 PM

68°

68°

Mostly Cloudy

NNW 7

63%

55°


ALTON, IL extended weather forecast
Friday 30 MAY 2025	Saturday 31 MAY 2025	Sunday 1 JUN 2025	Monday 2 JUN 2025	Tuesday 3 JUN 2025
Low 55°	Low 57°	Low 58°	Low 57°	Low 61°
High 71°	High 79°	High 77°	High 80°	High 80°

Overcast 39% Rain	Partly Cloudy 16% Rain	Mostly Cloudy 22% Rain	Clear 13% Rain	Mostly Cloudy 27% Rain

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