Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Partly Cloudy

83°F

28°C

Humidity	49%
Wind Speed	NA
Barometer	29.99 in (1015.1 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	19 Jun 2:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles S Martinsburg IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Juneteenth
High: 86 °F
Sunny
Tonight
Low: 67 °F
Clear then
Chance
T-storms
Friday
High: 92 °F
Chance
T-storms and
Windy
Friday Night
Low: 77 °F
Clear and
Breezy
Saturday
High: 95 °F
Sunny and
Windy
Saturday Night
Low: 77 °F
Clear and
Windy
Sunday
High: 95 °F
Sunny and
Windy
Sunday Night
Low: 75 °F
Mostly Clear
and Windy
Monday
High: 95 °F
Sunny and
Breezy

Detailed Forecast

Juneteenth

Sunny, with a high near 86. West wind around 9 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly clear, with a low around 67. South wind 6 to 11 mph, with gusts as high as 18 mph.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny, with a high near 92. Heat index values as high as 100. Windy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Clear, with a low around 77. Breezy, with a south southwest wind 18 to 20 mph, with gusts as high as 31 mph.

Saturday

Sunny, with a high near 95. Windy, with a south southwest wind 21 to 26 mph, with gusts as high as 37 mph.

Saturday Night

Clear, with a low around 77. Windy.

Sunday

Sunny, with a high near 95. Windy.

Sunday Night

Mostly clear, with a low around 75. Windy.

Monday

Sunny, with a high near 95. Breezy.