Significant Coastal Impacts from Nor'Easter; Hurricane Nolo Bring Gusty Winds and Heavy Rain to Hawaii

A nor'easter will continue to bring significant coastal impacts to the Mid-Atlantic and New England into Monday. Moderate to major coastal flooding, heavy rain, strong winds, and high surf are expected. Hurricane Nolo will remain south of the Big Island of Hawaii with gusty winds and heavy rainfall that may bring significant, life-threatening flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Overcast

62°F

17°C

Humidity 96%
Wind Speed SE 6 mph
Barometer 30.12 in (1019.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Sep 11:54 am CDT
Extended Forecast for

Grimes IA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 68. East wind around 5 mph.

    High: 68 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. East wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 71. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm.  High near 69. South southeast wind 7 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 62. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers likely.  Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers.  Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Cloudy, with a high near 68. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Southeast wind 5 to 7 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 69. South southeast wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Grimes IA
 41.67°N 93.8°W
12:21 pm CDT Sep 27, 2026
12pm CDT Sep 27, 2026-6pm CDT Oct 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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