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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Mostly Cloudy

50°F

10°C

Humidity 91%
Wind Speed NW 12 G 22 mph
Barometer 30.06 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 15 Oct 8:35 pm CDT
Extended Forecast for

Lynnville IA

Freeze Watch October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A slight chance of rain between 9pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain between 9am and 10am. Cloudy, with a high near 52. Windy, with a north northwest wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 52 °F

    Windy. Slight
    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 31 °F

    Decreasing
    Clouds then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 58 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38. South wind around 7 mph.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 9pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 44. Breezy, with a northwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
A 20 percent chance of rain between 9am and 10am. Cloudy, with a high near 52. Windy, with a north northwest wind 20 to 24 mph, with gusts as high as 37 mph.
Friday Night
Widespread frost, mainly after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. North northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Saturday Night
Clear, with a low around 38. South wind around 7 mph.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lynnville IA
 41.58°N 92.78°W
Last Update:
8:01 pm CDT Oct 15, 2026
Forecast Valid:
8pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
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Additional Resources

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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