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

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

68°F

20°C

Humidity 70%
Wind Speed Calm
Barometer 29.88 in (1011.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 11:52 pm CDT
Extended Forecast for

Tiffin IA

  • Overnight

    Overnight: Partly cloudy, with a low around 67. South wind around 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Sunny, with a high near 80. Northwest wind around 5 mph.

    High: 80 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. South wind around 10 mph.
Columbus Day
Sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 66. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
A 30 percent chance of showers after 1pm. Sunny, with a high near 80. Northwest wind around 5 mph.
Tuesday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 70.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 58. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tiffin IA
 41.71°N 91.67°W (Elev. 787 ft)
Last Update:
11:36 pm CDT Oct 11, 2026
Forecast Valid:
12am CDT Oct 12, 2026-6pm CDT Oct 18, 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