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 >

Hazardous Weather Conditions

Current conditions at

Webster City Municipal Airport (KEBS)

Lat: 42.44°NLon: 93.87°WElev: 1112ft.

Fair

43°F

6°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 30.27 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 May 12:55 am CDT
Extended Forecast for

Duncombe IA

  • Overnight

    Overnight: Mostly clear, with a low around 39. North wind around 6 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 62. North northeast wind 5 to 8 mph.

    High: 62 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. East wind 5 to 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers after 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 61. East southeast wind 10 to 13 mph.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am.  Cloudy, with a low around 45. East wind around 11 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Saturday Night

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

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 39. North wind around 6 mph.
Wednesday
Increasing clouds, with a high near 62. North northeast wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 43. East wind 5 to 7 mph.
Thursday
A 10 percent chance of showers after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. East southeast wind 10 to 13 mph.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 45. East wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncombe IA
 42.48°N 94°W
10:11 pm CDT May 19, 2026
1am CDT May 20, 2026-6pm CDT May 26, 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