Hazardous Weather Conditions
Current conditions at
Sioux County Regional Airport (KSXK)
Lat: 42.99°NLon: 96.16°WElev: 1409ft.
Overcast
37°F
3°C
| Humidity | 93% |
| Wind Speed | NW 14 G 20 mph |
| Barometer | 29.68 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 2 Apr 5:55 pm CDT |
Extended Forecast for
Alton IA
Tonight

Low: 31 °F
Cloudy
Friday

High: 42 °F
Showers
Friday Night
Low: 29 °F
Showers
Likely then
Rain/Snow
LikelySaturday
High: 42 °F
Breezy.
Slight Chance
Snow then
Chance
Rain/SnowSaturday Night
Low: 25 °F
Mostly Cloudy
and Blustery
then Mostly
ClearSunday

High: 55 °F
Sunny
Sunday Night

Low: 28 °F
Partly Cloudy
Monday

High: 47 °F
Partly Sunny
Monday Night

Low: 21 °F
Partly Cloudy
Detailed Forecast
Tonight
Cloudy, with a low around 31. North northwest wind 5 to 10 mph becoming east northeast after midnight.
Friday
Showers and thunderstorms before 1pm, then showers between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 42. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Some thunder is also possible. Cloudy, with a low around 29. North wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A slight chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 42. Breezy, with a west northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight.
Sunday
Sunny, with a high near 55. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 49. Breezy.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 70. Breezy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 37.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 55.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Alton IA
42.98°N 96.01°W (Elev. 1283 ft)
42.98°N 96.01°W (Elev. 1283 ft)
5:53 pm CDT Apr 2, 2026
6pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026



