Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

70°F

21°C

Humidity 64%
Wind Speed S 9 mph
Barometer 29.80 in (1008.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 1:53 am CDT
Extended Forecast for

Marshalltown IA

  • Overnight

    Overnight: Mostly clear, with a low around 67. South wind 8 to 10 mph.

    Low: 67 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers before 3pm, then a slight chance of showers after 5pm.  Sunny, with a high near 77. North wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 77 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am.  Mostly cloudy, with a low around 57. North wind 5 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then a chance of showers.  High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 67. South wind 8 to 10 mph.
Columbus Day
Mostly sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 61. South southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Tuesday
A slight chance of showers before 3pm, then a slight chance of showers after 5pm. Sunny, with a high near 77. North wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 57. North wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 69.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53.
Thursday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 66. Chance of precipitation is 80%.
Thursday Night
Mostly cloudy, with a low around 45. Breezy.
Friday
Mostly sunny, with a high near 57. Windy.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.04°N 92.92°W
1:27 am CDT Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 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