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

UPPER P.R. CANYON (UPRU1)

Lat: 39.46806°NLon: 109.28583°WElev: 8269.0ft.

NA

67°F

19°C

Humidity 24%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 17 Aug 09:27 PM MDT
Extended Forecast for

22 Miles NW Mack CO

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers after noon.  Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph becoming west northwest in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. West northwest wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. North northwest wind 5 to 10 mph becoming southeast in the morning.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. North northwest wind 5 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. West wind around 5 mph.
Tuesday
A 10 percent chance of showers after noon. Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. West northwest wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 20 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. North northwest wind 5 to 10 mph becoming southeast in the morning.
Wednesday Night
Partly cloudy, with a low around 62. North northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 84.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NW Mack CO
 39.44°N 109.18°W (Elev. 7799 ft)
5:56 pm MDT Aug 17, 2026
10pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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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