Critical Fire Weather Conditions in the Plains; Heavy Snow in the Sierra and Northern Rockies

Gusty winds and warm, very dry conditions will lead to a Critical Risk of fire weather across much of the High Plains through Thursday. A Pacific storm system will bring strong winds and precipitation from the Pacific Northwest to the Northern Rockies, with heavy mountain snow in the Sierra-Nevada and northern Rockies. Heavy snow will continue in the northern Rockies on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

66°F

19°C

Humidity 78%
Wind Speed S 17 G 23 mph
Barometer 29.92 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Apr 10:35 am CDT
Extended Forecast for

Portsmouth IA

  • Today

    Today: Sunny, with a high near 80. Breezy, with a south wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 80 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 59. Breezy, with a south wind around 21 mph, with gusts as high as 32 mph.

    Low: 59 °F

    Increasing
    Clouds and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm.  High near 71. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 44. South wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Friday

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

    High: 64 °F

    Sunny

  • Friday Night

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

    Low: 39 °F

    Mostly Clear

  • Saturday

    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.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    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.

    Low: 46 °F

    Chance
    Showers

  • Sunday

    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.

    High: 66 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 80. Breezy, with a south wind 14 to 21 mph, with gusts as high as 29 mph.
Tonight
Increasing clouds, with a low around 59. Breezy, with a south wind around 21 mph, with gusts as high as 32 mph.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 71. Breezy, with a south wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. South wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth IA
 41.65°N 95.5°W (Elev. 1319 ft)
10:35 am CDT Apr 22, 2026
10am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database