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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Mostly Cloudy

49°F

9°C

Humidity 35%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 23°F (-5°C)
Visibility 7.00 mi
Last update 1 May 7:55 pm CDT
Extended Forecast for

Lynnville IA

Frost Advisory May 2, 01:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 33. North wind 5 to 7 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 61. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 61 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 72. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. West northwest wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 33. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 61. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 72. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 45. West northwest wind around 6 mph becoming calm in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 78.
Monday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 45.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IA
 41.58°N 92.78°W
Last Update:
5:31 pm CDT May 1, 2026
Forecast Valid:
8pm CDT May 1, 2026-6pm CDT May 8, 2026
 
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