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

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

71°F

22°C

Humidity 92%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Sep 11:55 pm CDT
Extended Forecast for

Preston IA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 59. North wind around 5 mph.

    Low: 59 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 59. North wind around 5 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. North wind around 5 mph.
Thursday Night
Clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 62.
Saturday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 79.
Sunday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 77.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Preston IA
 42.06°N 90.39°W (Elev. 650 ft)
Last Update:
6:56 pm CDT Sep 9, 2026
Forecast Valid:
12am CDT Sep 10, 2026-6pm CDT Sep 16, 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