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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Ainsworth Regional Airport (KANW)

Lat: 42.57°NLon: 100°WElev: 2579ft.

Fair

65°F

18°C

Humidity 91%
Wind Speed SW 3 mph
Barometer 29.95 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 2:55 am CDT
Extended Forecast for

Johnstown NE

  • Overnight

    Overnight: Mostly clear, with a low around 66. West southwest wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. West wind around 5 mph becoming east in the afternoon.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 64. East wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. East wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 66. West southwest wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. West wind around 5 mph becoming east in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 64. East wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 65. East wind 5 to 10 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 94.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
A slight chance of showers. Mostly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Sunday
A slight chance of showers. Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown NE
 42.57°N 100.04°W
Last Update:
11:59 pm CDT Aug 17, 2025
Forecast Valid:
3am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation