Wind
6 mph
ENE
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Harlan, IA.
Hour-by-Hour Current Observation
Clear
Wind
6 mph
ENE
UV Index
11
Extreme
Humidity
47%
Dew 53°F
Sun
5:48 AM · 8:59 PM
Rise · Set
Source: DENISON (KDNS). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Partly Sunny
Overnight: Partly Cloudy
Today
Sunny, with a high near 93. Heat index values as high as 106. South wind around 21 mph, with gusts as high as 29 mph.
Night
Mostly clear, with a low around 77. South wind 14 to 18 mph, with gusts as high as 29 mph.
Monday
Partly Sunny
Overnight: Chance of Thunderstorms
Monday
Sunny, with a high near 95. Heat index values as high as 107. South wind 16 to 24 mph, with gusts as high as 32 mph.
Night
A slight chance of showers and thunderstorms between 9pm and 10pm, then a chance of showers and thunderstorms between 10pm and midnight, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Heat index values as high as 108. South wind 9 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday
Partly Sunny
Overnight: Chance of Thunderstorms
Tuesday
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Night
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
Isolated T-storm
Overnight: Chance of Scattered Thunderstorms
Wednesday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. South wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Night
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 75. South wind 10 to 18 mph, with gusts as high as 26 mph.
Thursday
Partly Sunny
Overnight: Chance of Scattered Thunderstorms
Thursday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. South wind 10 to 17 mph, with gusts as high as 24 mph.
Night
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73. South wind 10 to 16 mph, with gusts as high as 25 mph.
Harlan, IA Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Harlan, IA.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.