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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

70°F

21°C

Humidity 37%
Wind Speed NW 6 G 18 mph
Barometer 30.26 in (1024.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 4 Oct 1:53 pm CDT
Extended Forecast for

Garwin IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. North northwest wind around 8 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. Light northwest wind.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 51. South wind 6 to 8 mph.

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. South wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. North northwest wind around 8 mph.
Tonight
Clear, with a low around 45. Light northwest wind.
Monday
Sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 51. South wind 6 to 8 mph.
Tuesday
Sunny, with a high near 75. South wind 9 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 74. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garwin IA
 42.1°N 92.68°W
Last Update:
1:27 pm CDT Oct 4, 2026
Forecast Valid:
2pm CDT Oct 4, 2026-6pm CDT Oct 10, 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