Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

70°F

21°C

Humidity	88%
Wind Speed	S 6 mph
Barometer	30.05 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	13 Jul 9:55 am CDT

More Information:

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

Extended Forecast for

Portsmouth IA

Today
High: 83 °F
Sunny
Tonight
Low: 61 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 66 °F
Chance
T-storms
Wednesday
High: 81 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 60 °F
Chance
T-storms
Thursday
High: 75 °F
Partly Sunny
then Slight
Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 83. South southwest wind 5 to 10 mph, with gusts as high as 16 mph.

Tonight

Mostly clear, with a low around 61. South wind around 6 mph.

Monday

Sunny, with a high near 87. Light south wind increasing to 5 to 9 mph in the morning.

Monday Night

Mostly clear, with a low around 65. South wind around 8 mph.

Tuesday

Sunny, with a high near 86. South wind 7 to 11 mph, with gusts as high as 20 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Southeast wind around 10 mph, with gusts as high as 16 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southeast wind 9 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 60. North wind 6 to 10 mph, with gusts as high as 16 mph.

Thursday

A slight chance of showers after 1pm. Partly sunny, with a high near 75. North northeast wind 6 to 8 mph.

Thursday Night

Partly cloudy, with a low around 59. East wind around 7 mph.

Friday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 8 mph.

Saturday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 81. Southeast wind 7 to 9 mph, with gusts as high as 16 mph.