Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Partly Cloudy

82°F

28°C

Humidity 42%
Wind Speed S 18 G 28 mph
Barometer 29.64 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Apr 3:55 pm CDT
Extended Forecast for

Lynnville IA

Tornado Watch until April 14, 10:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until April 14, 10:00pm

    NOW until 10:00pm Tue

    Tornado Watch

  • This Afternoon

    High: 84 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 2am. Some of the storms could be severe.  Mostly cloudy, with a low around 59. Southwest wind 6 to 15 mph becoming northwest in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm.  Mostly cloudy, with a high near 74. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 52. Southwest wind 6 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Sunny, with a high near 77. West southwest wind 6 to 9 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 82. Windy.  Chance of precipitation is 60%.

    High: 82 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely and
    Windy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 40. Breezy.  Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 84. Breezy, with a south southwest wind around 17 mph, with gusts as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 59. Southwest wind 6 to 15 mph becoming northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 74. South southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers before 1pm. Sunny, with a high near 77. West southwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 57.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Windy. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 40. Breezy. Chance of precipitation is 80%.
Saturday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 50. Windy.
Saturday Night
Partly cloudy, with a low around 32. Breezy.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IA
 41.58°N 92.78°W
2:47 pm CDT Apr 14, 2026
4pm CDT Apr 14, 2026-6pm CDT Apr 20, 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