Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Light Rain

65°F

18°C

Humidity	98%
Wind Speed	SE 10 mph
Barometer	30.02 in
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	29 Aug 12:15 pm CDT

More Information:

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

Extended Forecast for

Malcom IA

This Afternoon
High: 85 °F
Chance
Showers and
Breezy
Tonight
Low: 71 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Sunday
High: 91 °F
Chance
T-storms
Sunday Night
Low: 74 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 93 °F
Slight Chance
T-storms
Monday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 93 °F
Slight Chance
T-storms
Tuesday Night
Low: 72 °F
Mostly Clear
then Slight
Chance
T-storms
Wednesday
High: 92 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 85. Breezy, with a south wind 15 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Partly cloudy, with a low around 71. Breezy, with a south wind 13 to 16 mph, with gusts as high as 28 mph.

Sunday

A 30 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 91. South southwest wind 11 to 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 74. South wind around 11 mph, with gusts as high as 22 mph.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. South southwest wind 8 to 10 mph.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

Tuesday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.

Wednesday

Mostly sunny, with a high near 92.

Wednesday Night

Mostly clear, with a low around 70.