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

Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Overcast

68°F

20°C

Humidity 84%
Wind Speed NE 13 mph
Barometer 30.18 in (1021.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 31 Jul 2:54 am CDT
Extended Forecast for

2 Miles SE Grimes IA

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph.

    Low: 64 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Patchy smoke after 9am. Mostly cloudy, then gradually becoming sunny, with a high near 77. East northeast wind 7 to 10 mph.

    High: 77 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Patchy smoke. Mostly clear, with a low around 55. Northeast wind 5 to 7 mph.

    Low: 55 °F

    Patchy Smoke

  • Friday

    Friday: Patchy smoke. Sunny, with a high near 75. East wind 3 to 6 mph.

    High: 75 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. East wind 3 to 6 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph.
Thursday
Patchy smoke after 9am. Mostly cloudy, then gradually becoming sunny, with a high near 77. East northeast wind 7 to 10 mph.
Thursday Night
Patchy smoke. Mostly clear, with a low around 55. Northeast wind 5 to 7 mph.
Friday
Patchy smoke. Sunny, with a high near 75. East wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 57. East wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Grimes IA
 41.65°N 93.77°W
Last Update:
2:50 am CDT Jul 31, 2025
Forecast Valid:
3am CDT Jul 31, 2025-6pm CDT Aug 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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