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Severe thunderstorms to rumble across the central, eastern US this week. Click for the forecast. Chevron right

Alton, IA

55°F
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Alton

Iowa

55°
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Alton, IA Weather
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Today WinterCast

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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WinterCast

An inch or two

Fri, 4/17, 8:00 PM - Sat, 4/18, 8:00 AM

Snow

12 PM

63°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 61%
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Showers

RealFeel Shade™59°

WindNE 7 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts12 mph

Humidity47%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Rain0.05 in

Visibility10 mi

Cloud Ceiling9000 ft

1 PM

65°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™63°

WindNE 7 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts12 mph

Humidity46%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling20000 ft

2 PM

67°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™63°

WindNNE 21 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts33 mph

Humidity41%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™64°

WindN 21 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts36 mph

Humidity38%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 37%
Chevron down
Partly sunny

RealFeel Shade™66°

WindN 22 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts38 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Partly sunny

RealFeel Shade™64°

WindNNW 23 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts31 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny

RealFeel Shade™63°

WindNNW 23 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts28 mph

Humidity39%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

66°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ showers

RealFeel Shade™58°

WindNNW 23 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts28 mph

Humidity43%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover45%

Rain0.03 in

Visibility6 mi

Cloud Ceiling30000 ft

8 PM

62°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny

RealFeel Shade™60°

WindE 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts8 mph

Humidity53%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

58°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Mostly clear

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity63%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

54°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Partly cloudy w/ t-storms

WindS 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity73%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

11 PM

50°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Mostly clear

WindS 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity84%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Alton

AccuWeather's hourly forecast for Alton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 63° with a RealFeel® of 61°, showers with a 61% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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