Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Guernsey IA

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Northwest wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 3am.  Partly cloudy, with a low around 65. Southeast wind 3 to 7 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Partly sunny, with a high near 88. South wind 7 to 9 mph.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 7pm.  Partly cloudy, with a low around 70. South wind 3 to 5 mph.  New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 88. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 82. Light and variable wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 65. Southeast wind 3 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 88. South wind 7 to 9 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 70. South wind 3 to 5 mph. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 63.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 77.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Guernsey IA
 41.66°N 92.34°W
1:26 am CDT Aug 8, 2026
2am CDT Aug 8, 2026-6pm CDT Aug 14, 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