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 >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

69°F

21°C

Humidity 39%
Wind Speed N 13 mph
Barometer 30.28 in (1025.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 4 Oct 12:53 pm CDT
Extended Forecast for

Montour IA

Flood Warning October 4, 01:20pm until October 6, 08:30am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning October 4, 01:20pm until October 6, 08:30am

    NOW until 8:30am Tue

    Flood Warning

  • This Afternoon

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Light northwest wind.

    Low: 44 °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 50. South wind around 6 mph.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. South wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 67. North northwest wind around 8 mph.
Tonight
Clear, with a low around 44. 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 50. South wind around 6 mph.
Tuesday
Sunny, with a high near 74. South wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montour IA
 41.99°N 92.71°W
Last Update:
12:02 pm CDT Oct 4, 2026
Forecast Valid:
1pm 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