Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. 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

61°F

16°C

Humidity	88%
Wind Speed	S 9 mph
Barometer	29.91 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	22 Apr 4:15 am CDT

More Information:

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

Extended Forecast for

Portsmouth IA

Today
High: 81 °F
Partly Sunny
then Sunny
and Breezy
Tonight
Low: 59 °F
Breezy.
Mostly Clear
then Slight
Chance
Showers
Thursday
High: 73 °F
Showers and
Breezy
Thursday Night
Low: 44 °F
Showers
Likely
Friday
High: 64 °F
Sunny
Friday Night
Low: 39 °F
Mostly Clear
Saturday
High: 63 °F
Chance
Showers
Saturday Night
Low: 46 °F
Chance
Showers
Sunday
High: 66 °F
Showers
Likely and
Breezy

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 81. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

Tonight

A 10 percent chance of showers after 5am. Increasing clouds, with a low around 59. Breezy, with a south wind 18 to 21 mph, with gusts as high as 29 mph.

Thursday

A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 73. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. South wind 9 to 11 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Sunny, with a high near 64. North northwest wind around 11 mph, with gusts as high as 17 mph.

Friday Night

Mostly clear, with a low around 39. North northeast wind 6 to 8 mph.

Saturday

A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 63. East wind 6 to 11 mph, with gusts as high as 16 mph.

Saturday Night

A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. East wind 5 to 8 mph.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 66. Breezy, with an east southeast wind 11 to 20 mph, with gusts as high as 29 mph.

Sunday Night

Showers and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southeast wind 14 to 17 mph, with gusts as high as 26 mph.

Monday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 59. Breezy, with a west northwest wind 15 to 23 mph, with gusts as high as 32 mph.

Monday Night

A slight chance of showers. Mostly cloudy, with a low around 38. Breezy, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

Tuesday

Partly sunny, with a high near 60. Northwest wind 5 to 7 mph.