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

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Thunderstorm Rain

63°F

17°C

Humidity 87%
Wind Speed SW 20 G 33 mph
Barometer 29.75 in (1006.7 mb)
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 16 May 1:53 am CDT
Extended Forecast for

Morrison IA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 60. South southwest wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming east 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East southeast wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. Windy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Windy. Chance
    T-storms then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. Windy, with a south wind 17 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Windy. Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 84. Windy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers and
    Breezy then
    T-storms and
    Windy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Windy. Chance of precipitation is 90%.

    Low: 57 °F

    Showers and
    Windy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70. Windy.

    High: 70 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 60. South southwest wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming east 5 to 9 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East southeast wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. Windy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. Windy, with a south wind 17 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 84. Windy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. Windy. Chance of precipitation is 90%.
Tuesday
Partly sunny, with a high near 70. Windy.
Tuesday Night
Mostly cloudy, with a low around 43. Breezy.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Morrison IA
 42.34°N 92.68°W
Last Update:
1:42 am CDT May 16, 2026
Forecast Valid:
2am CDT May 16, 2026-6pm CDT May 22, 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