Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Overcast

61°F

16°C

Humidity 87%
Wind Speed NW 17 G 25 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 May 9:52 am CDT
Extended Forecast for

Tiffin IA

  • Today

    Today: Mostly cloudy, with a high near 65. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 44. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64. Northeast wind around 10 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 65. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 44. North wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 64. Northeast wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 45. Northeast wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 58.
Memorial Day
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Tiffin IA
 41.69°N 91.7°W (Elev. 751 ft)
8:47 am CDT May 19, 2026
10am CDT May 19, 2026-6pm CDT May 25, 2026
 
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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