Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

47°F

8°C

Humidity 89%
Wind Speed SW 16 mph
Barometer 29.71 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 4 Nov 4:35 pm CST
Extended Forecast for

Grinnell IA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 50. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 50 °F

    Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am.  Cloudy, with a low around 41. West southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm.  Cloudy, with a high near 51. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. North wind 7 to 9 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47. North wind 3 to 7 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 50. West southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Cloudy, with a low around 41. West southwest wind around 11 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers, mainly before 1pm. Cloudy, with a high near 51. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 36. North wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 47. North wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 35.
Monday
Sunny, with a high near 65.
Monday Night
Clear, with a low around 39.
Tuesday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.72°W
3:56 pm CST Nov 4, 2026
4pm CST Nov 4, 2026-6pm CST Nov 10, 2026
 
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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