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Current conditions at
Sioux County Regional Airport (KSXK)
Lat: 42.99°NLon: 96.16°WElev: 1409ft.
Fair
61°F
16°C
| Humidity | 88% |
| Wind Speed | N 8 mph |
| Barometer | 30.05 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 4 Aug 7:35 am CDT |
Extended Forecast for
Alton IA
Today
High: 73 °F
Scattered
Showers then
ShowersTonight
Low: 54 °F
Scattered
Showers then
Partly CloudyWednesday

High: 75 °F
Mostly Sunny
Wednesday Night

Low: 53 °F
Mostly Clear
Thursday

High: 82 °F
Sunny
Thursday Night

Low: 61 °F
Mostly Clear
Friday

High: 86 °F
Sunny
Friday Night

Low: 65 °F
Mostly Clear
Saturday

High: 90 °F
Sunny
Detailed Forecast
Today
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then scattered showers and thunderstorms after 4pm. Patchy smoke before 3pm, then patchy smoke after 5pm. High near 73. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Scattered showers and thunderstorms before 7pm, then scattered showers between 7pm and 8pm. Patchy smoke before 7pm. Mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 75. Calm wind becoming southeast around 5 mph.
Wednesday Night
Mostly clear, with a low around 53. Calm wind becoming south southeast around 5 mph.
Thursday
Sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 61. South wind 5 to 10 mph.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Alton IA
43°N 96.01°W (Elev. 1289 ft)
43°N 96.01°W (Elev. 1289 ft)
7:13 am CDT Aug 4, 2026
7am CDT Aug 4, 2026-6pm CDT Aug 10, 2026


