National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Grant Municipal Airport (KGGF)

Lat: 40.87°NLon: 101.73°WElev: 3425ft.

Fair

86°F

30°C

Humidity 43%
Wind Speed SW 9 mph
Barometer 29.98 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Aug 11:15 am MDT
Extended Forecast for

Grainton NE

  • Today

    Today: Sunny, with a high near 94. Southwest wind around 10 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind 5 to 10 mph becoming east in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. West wind 5 to 10 mph becoming east in the morning.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. East southeast wind 5 to 10 mph becoming west northwest after midnight.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 91. North northwest wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 64. Southwest wind 5 to 10 mph becoming east in the evening.
Monday
Sunny, with a high near 94. West wind 5 to 10 mph becoming east in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. East southeast wind 5 to 10 mph becoming west northwest after midnight.
Tuesday
Sunny, with a high near 91. North northwest wind 5 to 10 mph becoming east southeast in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 88.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
A slight chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grainton NE
 40.82°N 101.29°W
Last Update:
10:59 am MDT Aug 17, 2025
Forecast Valid:
11am MDT Aug 17, 2025-6pm MDT Aug 23, 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