Hazardous Weather Conditions
Current conditions at
Sioux County Regional Airport (KSXK)
Lat: 42.99°NLon: 96.16°WElev: 1409ft.
Fair
88°F
31°C
| Humidity | 59% |
| Wind Speed | SE 8 G 14 mph |
| Barometer | 29.90 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 1 Sep 4:15 pm CDT |
Extended Forecast for
Alton IA
Severe T-storm Watch until September 1, 11:00pm
NOW until 11:00pm Tue
Severe T-storm Watch
This Afternoon
High: 89 °F
Partly Sunny
Tonight
Low: 66 °F
Severe
ThunderstormsWednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Partly Cloudy
then Chance
T-stormsThursday
High: 89 °F
Slight Chance
T-storms then
SunnyThursday Night
Low: 71 °F
Mostly Clear
Friday
High: 90 °F
Mostly Sunny
Friday Night
Low: 70 °F
Mostly Clear
Detailed Forecast
This Afternoon
Partly sunny, with a high near 89. Southeast wind around 10 mph.
Tonight
Showers and thunderstorms likely, mainly before 3am. Some of the storms could be severe. Partly cloudy during the early evening, then becoming cloudy, with a low around 66. East southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 88. Southeast wind around 5 mph becoming north in the morning.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 68. East southeast wind around 5 mph.
Thursday
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, then gradually becoming sunny, with a high near 89. South wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 71. South wind around 10 mph.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 70.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Labor Day
Partly sunny, with a high near 83.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Alton IA
43°N 96.01°W (Elev. 1289 ft)
43°N 96.01°W (Elev. 1289 ft)
4:23 pm CDT Sep 1, 2026
4pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
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