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 >

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Light Drizzle Fog/Mist and Breezy

56°F

13°C

Humidity 93%
Wind Speed NW 23 G 31 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 54°F (12°C)
Visibility 2.00 mi
Last update 15 Oct 2:54 pm CDT
Extended Forecast for

Grimes IA

Freeze Watch October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Freeze Watch

  • This Afternoon

    This Afternoon: Showers. Steady temperature around 56. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °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 40.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers. Steady temperature around 56. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth 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 40.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grimes IA
 41.67°N 93.8°W
Last Update:
1:52 pm CDT Oct 15, 2026
Forecast Valid:
3pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation