Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fog/Mist

70°F

21°C

Humidity	97%
Wind Speed	S 3 mph
Barometer	29.87 in (1010.7 mb)
Dewpoint	69°F (21°C)
Visibility	6.00 mi
Last update	16 Jul 1:53 am CDT

More Information:

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

Extended Forecast for

Ottumwa IA

Overnight
Low: 71 °F
Chance
Showers
Wednesday
High: 89 °F
Chance
T-storms
Wednesday Night
Low: 63 °F
T-storms
Likely then
Showers
Likely
Thursday
High: 75 °F
Chance
Showers
Thursday Night
Low: 61 °F
Mostly Cloudy
then Slight
Chance
Showers
Friday
High: 80 °F
Slight Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms
Saturday
High: 89 °F
Chance
T-storms
Saturday Night
Low: 70 °F
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers, mainly after 5am. Partly cloudy, with a low around 71. South southeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. South wind 6 to 9 mph becoming west in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 63. North wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms before 10am, then a slight chance of showers. Mostly cloudy, with a high near 75. North wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61. Northeast wind 3 to 6 mph.

Friday

A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.

Friday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.

Saturday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

Saturday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.