Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fair

71°F

22°C

Humidity	84%
Wind Speed	SW 5 mph
Barometer	30.06 in (1017.2 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	17 Aug 9:53 pm CDT

More Information:

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

Extended Forecast for

Grand River IA

Tonight
Low: 66 °F
Increasing
Clouds
Tuesday
High: 82 °F
Showers
Likely
Tuesday Night
Low: 65 °F
Chance
T-storms
Wednesday
High: 80 °F
Partly Sunny
Wednesday Night
Low: 62 °F
Slight Chance
T-storms
Thursday
High: 81 °F
Mostly Sunny
Thursday Night
Low: 64 °F
Mostly Clear
then Slight
Chance
T-storms
Friday
High: 84 °F
Slight Chance
T-storms
Friday Night
Low: 64 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

Increasing clouds, with a low around 66. South wind 3 to 6 mph.

Tuesday

Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 82. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 65. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Partly sunny, with a high near 80. East northeast wind 3 to 5 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.

Thursday

Mostly sunny, with a high near 81.

Thursday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Friday Night

A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

Saturday

Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 61.