Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Overcast

70°F

21°C

Humidity	87%
Wind Speed	SE 6 mph
Barometer	29.72 in (1005.9 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	21 May 5:52 am CDT

More Information:

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

Extended Forecast for

3 Miles SE West Branch IA

Severe T-storm Watch until May 21, 01:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until May 21, 01:00pm
NOW until 1:00pm Tue
Severe T-storm Watch
Today
High: 86 °F
Chance
T-storms and
Breezy
Tonight
Low: 53 °F
Heavy Rain
and Windy
then Partly
Cloudy and
Breezy
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 53 °F
Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 60 °F
Mostly Clear
then Chance
T-storms
Friday
High: 82 °F
Chance
T-storms then
Showers
Likely
Friday Night
Low: 56 °F
Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

Tonight

Showers and thunderstorms, mainly before 10pm. Some of the storms could produce heavy rainfall. Low around 53. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Sunny, with a high near 75. West wind around 10 mph, with gusts as high as 20 mph.

Wednesday Night

Clear, with a low around 53. West wind around 5 mph becoming calm after midnight.

Thursday

Sunny, with a high near 79.

Thursday Night

A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 60. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.

Saturday

Mostly sunny, with a high near 74.

Saturday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 55.

Sunday

A 40 percent chance of showers. Partly sunny, with a high near 75.

Sunday Night

A 30 percent chance of showers. Partly cloudy, with a low around 56.

Memorial Day

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.