Severe Thunderstorms Across the Upper Mississippi Valley and Central Plains; Excessive Rainfall Along the Texas Coast; Hot Conditions from the Ohio Valley to the Northeast

Scattered strong to severe thunderstorms capable of producing damaging winds, hail and heavy rainfall will be possible this afternoon over the Upper Mississippi Valley and Central Plains. A low pressure system in the Western Gulf of Mexico will bring heavy to excessive rainfall for much of South Texas. A dangerous heat wave will impact much of the Midwest to the Northeast through this week. Read More >

Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Mostly Cloudy and Breezy

84°F

29°C

Humidity	70%
Wind Speed	S 25 G 36 mph
Barometer	29.75 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	18 Jun 2:35 pm CDT

More Information:

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

Extended Forecast for

2 Miles SE Portsmouth IA

Severe T-storm Watch until June 18, 08:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until June 18, 08:00pm
NOW until 8:00pm Tue
Severe T-storm Watch
This Afternoon
High: 85 °F
Severe
Thunderstorms
and Windy
Tonight
Low: 61 °F
Severe
Thunderstorms
Juneteenth
High: 70 °F
Showers
Likely
Wednesday Night
Low: 62 °F
Chance
T-storms
Thursday
High: 81 °F
Showers
Likely
Thursday Night
Low: 67 °F
Partly Cloudy
then Slight
Chance
T-storms
Friday
High: 87 °F
Slight Chance
T-storms
Friday Night
Low: 72 °F
Partly Cloudy
then Chance
T-storms

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Mostly cloudy, with a high near 85. Windy, with a south wind 22 to 25 mph, with gusts as high as 38 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Some of the storms could be severe and produce heavy rainfall. Low around 61. South southwest wind 7 to 14 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Juneteenth

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 70. North wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Cloudy, with a low around 62. East northeast wind 6 to 9 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.

Thursday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East southeast wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. South southeast wind around 7 mph.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind 7 to 16 mph, with gusts as high as 24 mph.

Friday Night

A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 14 mph, with gusts as high as 23 mph.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 26 mph.

Saturday Night

A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64. North northwest wind 6 to 10 mph, with gusts as high as 17 mph.

Sunday

Sunny, with a high near 84. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

Sunday Night

Mostly clear, with a low around 63. North northwest wind 5 to 7 mph becoming east southeast after midnight.

Monday

Sunny, with a high near 90. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.