Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Partly Cloudy

64°F

18°C

Humidity	96%
Wind Speed	SE 15 mph
Barometer	29.77 in (1007.8 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	19 May 1:53 am CDT

More Information:

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

Extended Forecast for

Agency IA

Overnight
Low: 65 °F
Chance
T-storms
Tuesday
High: 64 °F
Slight Chance
T-storms then
Mostly Cloudy
Tuesday Night
Low: 45 °F
Decreasing
Clouds
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy
Thursday
High: 65 °F
Mostly Cloudy
then Slight
Chance
Showers
Thursday Night
Low: 50 °F
Chance
Showers then
Showers
Likely
Friday
High: 64 °F
Showers
Likely
Friday Night
Low: 51 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms, mainly before 4am. Cloudy, with a steady temperature around 65. South wind 9 to 11 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 20 percent chance of showers and thunderstorms before 9am. Mostly cloudy, with a high near 64. West southwest wind 13 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

Tuesday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 45. North wind 8 to 13 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 64. Northeast wind 8 to 10 mph.

Wednesday Night

Partly cloudy, with a low around 46. Northeast wind 7 to 9 mph.

Thursday

A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 65.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 50. Chance of precipitation is 70%.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

Friday Night

Mostly cloudy, with a low around 51.

Saturday

Partly sunny, with a high near 74.

Saturday Night

Mostly cloudy, with a low around 53.

Sunday

Mostly sunny, with a high near 81.

Sunday Night

Partly cloudy, with a low around 59.

Memorial Day

Partly sunny, with a high near 84.