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Hazardous Weather Conditions
Current conditions at
Sioux County Regional Airport (KSXK)
Lat: 42.99°NLon: 96.16°WElev: 1409ft.
Mostly Cloudy
54°F
12°C
| Humidity | 77% |
| Wind Speed | NE 9 mph |
| Barometer | 30.17 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 14 Oct 2:15 pm CDT |
Extended Forecast for
Alton IA
This Afternoon

High: 57 °F
Cloudy
Tonight
Low: 46 °F
Cloudy then
Chance
ShowersThursday

High: 56 °F
Showers and
Patchy FogThursday Night

Low: 40 °F
Decreasing
Clouds and
BreezyFriday

High: 52 °F
Becoming
Sunny and
BreezyFriday Night

Low: 31 °F
Clear then
FrostSaturday

High: 60 °F
Frost then
SunnySaturday Night

Low: 42 °F
Clear
Sunday

High: 66 °F
Sunny
Detailed Forecast
This Afternoon
Cloudy, with a high near 57. Northeast wind 5 to 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 2am. Cloudy, with a low around 46. East northeast wind around 5 mph.
Thursday
Showers, mainly before 5pm. Patchy fog before 2pm, then patchy fog after 4pm. High near 56. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 40. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 52. Breezy, with a north northwest 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 4am. Otherwise, clear, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 60.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 72.
Additional Forecasts and Information
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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)
1:28 pm CDT Oct 14, 2026
2pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026



