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

Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

HILLSBORO (HBOM8)

Lat: 45.10392°NLon: 108.21972°WElev: 3986.0ft.

NA

68°F

20°C

Humidity 60%
Wind Speed SE 7 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 18 Aug 12:29 AM MDT
Extended Forecast for

20 Miles NNE Cowley WY

  • Overnight

    Overnight: A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 62. Light south southwest wind. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 81 °F

    Partly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Southwest wind 5 to 7 mph becoming north northeast in the evening. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. South southwest wind 6 to 9 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. North wind 3 to 8 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 92. Calm wind becoming northeast 5 to 8 mph in the afternoon.

    High: 92 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. North northeast wind 5 to 8 mph becoming south after midnight.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 62. Light south southwest wind. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Southwest wind 5 to 7 mph becoming north northeast in the evening. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 87. South southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm after midnight.
Thursday
Sunny and hot, with a high near 93. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 65. North wind 3 to 8 mph.
Friday
Sunny and hot, with a high near 92. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 68. North northeast wind 5 to 8 mph becoming south after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 92. South wind 6 to 14 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 5 to 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. West wind 5 to 8 mph becoming south in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. North northwest wind 3 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles NNE Cowley WY
 45.13°N 108.25°W (Elev. 4587 ft)
Last Update:
12:46 am MDT Aug 18, 2026
Forecast Valid:
1am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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