National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Overcast

75°F

24°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 15 Aug 11:15 am CDT
Extended Forecast for

Preston IA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 83. Southeast wind around 5 mph becoming northwest in the afternoon.

    High: 83 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 70. Calm wind becoming west around 5 mph.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 84. Northwest wind 5 to 10 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Northwest wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 83. Southeast wind around 5 mph becoming northwest in the afternoon.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 70. Calm wind becoming west around 5 mph.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 84. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 62. Northwest wind around 5 mph.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Preston IA
 42.06°N 90.39°W (Elev. 650 ft)
Last Update:
5:51 am CDT Aug 15, 2026
Forecast Valid:
11am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation