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

Severe Thunderstorms in West Texas; Heavy Rainfall in the Southeast U.S.

Scattered strong to severe storms capable of sporadic large hail and severe winds are expected this afternoon and evening across portions of western Texas. Widespread showers and thunderstorms may produce isolated flash flooding across the Ozarks today and the Southeast into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Mostly Cloudy

75°F

24°C

Humidity 66%
Wind Speed SE 14 G 24 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 30 May 11:53 am CDT
Extended Forecast for

Montour IA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers. Mostly cloudy, with a high near 82. East southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 59. East southeast wind around 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. Southeast wind 10 to 13 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 60. Southeast wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 85 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers. Mostly cloudy, with a high near 82. East southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 59. East southeast wind around 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. Southeast wind 10 to 13 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 60. Southeast wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montour IA
 41.99°N 92.71°W
Last Update:
12:07 pm CDT May 30, 2026
Forecast Valid:
12pm CDT May 30, 2026-6pm CDT Jun 5, 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