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

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

43°F

6°C

Humidity 93%
Wind Speed NW 7 mph
Barometer 30.27 in (1025.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 May 1:53 am CDT
Extended Forecast for

5 Miles SSE Reinbeck IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 44. North northwest wind around 6 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 62. North northeast wind 7 to 9 mph.

    High: 62 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. East northeast wind 5 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 10am and 11am.  Mostly cloudy, with a high near 62. East wind 10 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 45. East wind 11 to 13 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

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

    High: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 44. North northwest wind around 6 mph.
Wednesday
Increasing clouds, with a high near 62. North northeast wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 44. East northeast wind 5 to 8 mph.
Thursday
A slight chance of showers between 10am and 11am. Mostly cloudy, with a high near 62. East wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 45. East wind 11 to 13 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Reinbeck IA
 42.25°N 92.53°W
1:56 am CDT May 20, 2026
2am CDT May 20, 2026-6pm CDT May 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database