National Weather Service forecast

Alton, Iowa Weather

39°Overnight: Chance Rain Showers
Wind NW 15 mph
7-DayHourlyRadar

Alton 7-Day Forecast

  1. Overnight
    39°F
    Chance Rain Showers
    30% chance of precipitation

    A chance of rain showers. Cloudy. Low around 39, with temperatures rising to around 43 overnight. Northwest wind around 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    47°F
    Rain Showers Likely
    55% chance of precipitation

    Rain showers likely. Cloudy, with a high near 47. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    38°F
    Chance Rain Showers
    44% chance of precipitation

    A chance of rain showers before 3am. Cloudy, with a low around 38. Northwest wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    47°F
    Mostly Cloudy
    7% chance of precipitation

    Mostly cloudy, with a high near 47. North northwest wind 10 to 15 mph.

  5. Thursday Night
    32°F
    Mostly Cloudy

    Mostly cloudy, with a low around 32. North wind 0 to 10 mph.

  6. Friday
    47°F
    Mostly Sunny

    Mostly sunny, with a high near 47. Northeast wind around 0 mph.

  7. Friday Night
    29°F
    Partly Cloudy

    Partly cloudy, with a low around 29.

  8. Saturday
    51°F
    Mostly Sunny

    Mostly sunny, with a high near 51.

  9. Saturday Night
    34°F
    Mostly Clear

    Mostly clear, with a low around 34.

  10. Sunday
    56°F
    Sunny

    Sunny, with a high near 56.

  11. Sunday Night
    37°F
    Mostly Clear

    Mostly clear, with a low around 37.

  12. Monday
    61°F
    Sunny

    Sunny, with a high near 61.

  13. Monday Night
    38°F
    Mostly Clear

    Mostly clear, with a low around 38.

  14. Tuesday
    59°F
    Mostly Sunny

    Mostly sunny, with a high near 59.

Issued by the National Weather Service (FSD office), updated .

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About Alton

Population (2020 Census)
1,248
Coordinates
42.988, -96.010
Elevation
1,283 ft
NWS forecast office
FSD
Time zone
America/Chicago
Sunrise today
7:02 AM CST
Sunset today
5:12 PM CST
Daylight today
10 h 11 min

Alton Weather Questions

What is the weather forecast for Alton, Iowa?

Overnight: A chance of rain showers. Cloudy. Low around 39, with temperatures rising to around 43 overnight. Northwest wind around 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. Wednesday: Rain showers likely. Cloudy, with a high near 47. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Alton this week?

The best chance of precipitation is Wednesday at 55%. Periods with a 30% chance or more: Overnight (30%), Wednesday (55%), Wednesday Night (44%).

How warm and how cold will it get in Alton this week?

The warmest day is Monday, with a high near 61°F. The coldest night is Friday Night, with a low near 29°F.

What time are sunrise and sunset in Alton today?

Sunrise is at 7:02 AM CST and sunset is at 5:12 PM CST, for 10 h 11 min of daylight.

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