Isolated Severe Thunderstorms and Critical Fire Weather Tuesday

Isolated severe thunderstorms with strong wind gusts and hail will be possible Tuesday from parts of central Plains northeastward into the Midwest. Additional storms capable of damaging winds will be possible across the eastern Florida peninsula. Elevated to critical fire weather including gusty winds and low relative humidity is forecast again Tuesday over much of the northern Great Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

59°F

15°C

Humidity	39%
Wind Speed	SE 12 mph
Barometer	30.06 in
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Last update	11 May 11:55 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Guernsey IA

Tonight
Low: 56 °F
Mostly Clear
Tuesday
High: 81 °F
Slight Chance
Showers and
Windy then
Windy
Tuesday Night
Low: 50 °F
Decreasing
Clouds
Wednesday
High: 72 °F
Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 53 °F
Slight Chance
T-storms then
Showers
Likely
Friday
High: 85 °F
Chance
Showers
Friday Night
Low: 57 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a steady temperature around 56. South southeast wind 10 to 13 mph, with gusts as high as 22 mph.

Tuesday

A chance of sprinkles with a slight chance of showers before 10am, then a chance of sprinkles between 10am and 2pm. Partly sunny, with a high near 81. Windy, with a south southwest wind 14 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly cloudy, then gradually becoming clear, with a low around 50. Northwest wind 9 to 14 mph, with gusts as high as 25 mph.

Wednesday

Sunny, with a high near 72. North northwest wind 9 to 14 mph, with gusts as high as 22 mph.

Wednesday Night

Clear, with a low around 42. North wind 5 to 8 mph becoming calm in the evening.

Thursday

Sunny, with a high near 75.

Thursday Night

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 85.

Friday Night

Mostly clear, with a low around 57.

Saturday

Sunny, with a high near 87.

Saturday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Breezy.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.