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

Heavy Rainfall and Flooding in the Southwest and Four Corners; Unsettled Weather in Florida

Heavy to excessive rainfall will continue today across portions of the Southwest and Four Corners Region, leading to flash, urban and small stream flooding. Significant river flooding is expected through Monday. Heavy rainfall is expected across southern and eastern Florida through Monday, with isolated flash flooding possible. Read More >

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Overcast

61°F

16°C

Humidity 84%
Wind Speed SE 13 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 1 Nov 7:54 pm CST
Extended Forecast for

Grimes IA

  • Tonight

    Tonight: A slight chance of drizzle before 10pm, then a slight chance of showers between 10pm and 4am. Cloudy, with a low around 58. South southeast wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 67. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 3am. Cloudy, with a low around 59. Breezy, with a south southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before noon, then showers likely. High near 66. South wind around 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 46. West southwest wind 9 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of drizzle before 10pm, then a slight chance of showers between 10pm and 4am. Cloudy, with a low around 58. South southeast wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 67. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely, mainly before 3am. Cloudy, with a low around 59. Breezy, with a south southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm before noon, then showers likely. High near 66. South wind around 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 46. West southwest wind 9 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly cloudy, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grimes IA
 41.67°N 93.8°W
Last Update:
7:27 pm CST Nov 1, 2026
Forecast Valid:
8pm CST Nov 1, 2026-6pm CST Nov 8, 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