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

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

69°F

21°C

Humidity 95%
Wind Speed NE 5 mph
Barometer 30.17 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 30 Jul 9:55 pm CDT
Extended Forecast for

Gilman IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Northeast wind 5 to 8 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. East northeast wind 5 to 9 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 74. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53. Northeast wind 5 to 8 mph.
Friday
Sunny, with a high near 74. East northeast wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gilman IA
 41.88°N 92.77°W
Last Update:
9:22 pm CDT Jul 30, 2025
Forecast Valid:
10pm CDT Jul 30, 2025-6pm CDT Aug 6, 2025
 
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