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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Heavy Rain

59°F

15°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 1.25 mi
Last update 15 Oct 12:55 pm CDT
Extended Forecast for

Grimes IA

  • This Afternoon

    This Afternoon: Showers. High near 61. Breezy, with a northwest wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Showers and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 43. Windy, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy
    and Windy

  • Friday

    Friday: Mostly cloudy, with a high near 50. Windy, with a northwest wind 20 to 24 mph, with gusts as high as 39 mph.

    High: 50 °F

    Mostly Cloudy
    and Windy

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind 5 to 10 mph becoming light west northwest after midnight.

    Low: 31 °F

    Decreasing
    Clouds then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers. High near 61. Breezy, with a northwest wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 43. Windy, with a northwest wind 16 to 21 mph, with gusts as high as 32 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 50. Windy, with a northwest wind 20 to 24 mph, with gusts as high as 39 mph.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind 5 to 10 mph becoming light west northwest after midnight.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grimes IA
 41.67°N 93.8°W
Last Update:
11:02 am CDT Oct 15, 2026
Forecast Valid:
1pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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Chance of Precipitation