Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Mostly Cloudy

63°F

17°C

Humidity 89%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 5 Aug 1:15 am CDT
Extended Forecast for

6 Miles SSW Chelsea IA

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southeast wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. South southeast wind 5 to 9 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. Southeast wind around 6 mph.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Calm wind.
Tuesday
Mostly sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 64. Southeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 85. South southeast wind 5 to 9 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Chelsea IA
 41.83°N 92.42°W
11:51 pm CDT Aug 4, 2025
1am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
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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