BETHALTO, IL 62010 Weather Forecast & Current Conditions

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62010 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALTON, IL Current Weather
11:50 AM CDT MAY 23, 2026
Overcast 70°F
Feels Like:	70°F
Dewpoint:	61°F
Rel. Hum.:	73%
Visibility:	10 miles
Wind:	Variable at 5 mph
Pressure:	30.02 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

62010 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	BETHALTO, IL 62010 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly cloudy early, then becoming partly sunny. Not as cool with highs in the lower 80s. West winds around 5 mph.

TONIGHT
Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows in the lower 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

SUNDAY
Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Highs around 80. Light and variable winds, becoming north around 5 mph in the afternoon. Chance of rain 50 percent.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.

MEMORIAL DAY
Partly sunny. Highs in the lower 80s. East winds 5 to 10 mph.

MONDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent.

TUESDAY THROUGH WEDNESDAY
Showers likely with a chance of thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 70 percent.

WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent.

THURSDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.

THURSDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.

FRIDAY
Partly sunny with a 40 percent chance of showers. Highs in the lower 80s.

62010 WEATHER SATELLITE LOOPS

Visible Weather Satellite
BETHALTO, IL 62010

Infrared Weather Satellite
BETHALTO, IL 62010

62010 WEATHER RADAR LOOP

NEXRAD Weather Radar
BETHALTO, IL 62010

MOS COMPUTER WEATHER FORECAST

ALTON, IL 3 hourly weather forecast

weather forecast created 6:00 AM MDT 5/23/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
23 MAY 2026

1 PM

74°

74°

Mostly Cloudy

3%

0% Thunder
( 27% severe)

W 5

64%

61°

High 79°

4 PM

78°

80°

Partly Cloudy

WSW 3

56%

61°

Mostly Cloudy

7 PM

77°

79°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 28% severe)

SSW 3

62%

63°

10 PM

69°

69°

Mostly Cloudy

CALM

81%

63°

Sunday
24 MAY 2026

1 AM

66°

66°

Mostly Cloudy

65%
RAIN
***

0% Thunder
( 22% severe)

CALM

90%

63°

Low 60°

4 AM

64°

66°

Mostly Cloudy

CALM

90%

61°

High 79°

7 AM

64°

66°

Mostly Cloudy

36%
RAIN
1–2 in

0% Thunder
( 15% severe)

CALM

90%

61°

Mostly Cloudy

Chance of Rain

10 AM

71°

71°

Mostly Cloudy

N 2

73%

62°

1 PM

76°

78°

Partly Cloudy

11%
RAIN
.01–.1 in

0% Thunder
( 20% severe)

N 3

60%

61°

4 PM

79°

80°

Partly Cloudy

NA 5

52%

60°

7 PM

77°

79°

Partly Cloudy

2%

0% Thunder
( 5% severe)

NNE 5

58%

61°

10 PM

68°

68°

Partly Cloudy

CALM

76%

60°

Monday
25 MAY 2026

1 AM

64°

66°

Partly Cloudy

3%

0% Thunder
( 1% severe)

CALM

87%

60°

Low 59°

4 AM

62°

63°

Partly Cloudy

CALM

90%

59°

High 81°

7 AM

64°

66°

Partly Cloudy

5%

0% Thunder
( 7% severe)

CALM

87%

60°

Mostly Cloudy

10 AM

74°

74°

Mostly Cloudy

ENE 7

69%

63°

1 PM

79°

80°

Mostly Cloudy

6%

0% Thunder
( 18% severe)

E 8

56%

62°

4 PM

81°

82°

Mostly Cloudy

E 9

53%

62°

7 PM

78°

80°

Mostly Cloudy

E 8

62%

64°


ALTON, IL extended weather forecast
Tuesday 26 MAY 2026	Wednesday 27 MAY 2026	Thursday 28 MAY 2026	Friday 29 MAY 2026	Saturday 30 MAY 2026
Low 64°	Low 66°	Low 66°	Low 64°	Low 63°
High 79°	High 80°	High 81°	High 81°	High 77°

Overcast 43% Rain	Overcast 66% Rain	Overcast 61% Rain	Overcast 49% Rain	Overcast 38% Rain

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