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Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Overcast and Breezy

45°F

7°C

Humidity 87%
Wind Speed NW 21 G 28 mph
Barometer 30.24 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 16 Oct 2:15 am CDT
Extended Forecast for

Alton IA

Freeze Watch October 17, 01:00am until October 17, 08:00am
Click here for hazard details and duration
Freeze Watch
  • Overnight

    Overnight: A chance of sprinkles before 3am, then a slight chance of showers between 3am and 5am, then a chance of sprinkles with a slight chance of showers after 5am.  Cloudy, with a steady temperature around 45. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a north wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 51 °F

    Becoming
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 11pm.  Otherwise, clear, with a low around 30. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 8am.  Otherwise, sunny, with a high near 58. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 58 °F

    Frost then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 41. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65. South wind around 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of sprinkles before 3am, then a slight chance of showers between 3am and 5am, then a chance of sprinkles with a slight chance of showers after 5am. Cloudy, with a steady temperature around 45. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a north wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 58. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Clear, with a low around 41. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 65. South wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Alton IA
 42.98°N 96.01°W (Elev. 1283 ft)
1:33 am CDT Oct 16, 2026
2am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
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