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Heavy rainfall possible at times today into Monday morning

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

71°F

22°C

Humidity	99%
Wind Speed	SE 9 mph
Barometer	29.92 in
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	10 Aug 3:15 am CDT

More Information:

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

Extended Forecast for

Hartwick IA

Flood Watch August 10, 03:39am until August 10, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch August 10, 03:39am until August 10, 07:00pm
NOW until 7:00pm Sun
Flood Watch
Overnight
Low: 72 °F
Heavy Rain
Sunday
High: 79 °F
Heavy Rain
and Patchy
Fog
Sunday Night
Low: 67 °F
Chance
T-storms and
Patchy Fog
Monday
High: 80 °F
Chance
Showers and
Patchy Fog
then Chance
T-storms
Monday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
Showers
Tuesday
High: 82 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday Night
Low: 63 °F
Partly Cloudy
Wednesday
High: 81 °F
Sunny

Detailed Forecast

Overnight

Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a steady temperature around 72. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers and thunderstorms likely before 7am, then showers likely and possibly a thunderstorm between 7am and 11am, then a chance of showers and thunderstorms after 11am. Some of the storms could produce heavy rainfall. Patchy fog between 7am and 10am. Otherwise, cloudy, with a high near 79. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 50 percent chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Southwest wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 40 percent chance of showers and thunderstorms. Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming northwest around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.

Tuesday Night

Partly cloudy, with a low around 63.

Wednesday

Sunny, with a high near 81.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

Sunny, with a high near 83.

Thursday Night

Mostly clear, with a low around 66.

Friday

Sunny, with a high near 87.