News Headlines
Hazardous Weather Conditions
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 Chill | 37°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
Overnight

Low: 45 °F
Slight Chance
Showers and
BreezyFriday

High: 51 °F
Becoming
Sunny and
BreezyFriday Night

Low: 30 °F
Frost
Saturday
High: 58 °F
Frost then
Sunny and
BreezySaturday Night

Low: 41 °F
Clear
Sunday

High: 65 °F
Sunny
Sunday Night

Low: 45 °F
Partly Cloudy
Monday

High: 66 °F
Mostly Sunny
Monday Night

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.
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)
1:33 am CDT Oct 16, 2026
2am CDT Oct 16, 2026-6pm CDT Oct 22, 2026



