Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

Hays Site MT-66 MP 10.5 (MTHAY)

Lat: 47.91928°NLon: 108.72611°WElev: 3898.0ft.

NA

70°F

21°C

Humidity 30%
Wind Speed N 13 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 09 Aug 08:15 PM MDT
Extended Forecast for

6 Miles S Hays MT

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Northeast wind 15 to 20 mph becoming light and variable  after midnight. Winds could gust as high as 28 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Widespread haze after 4pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 81. East southeast wind 5 to 11 mph becoming west southwest in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Haze

  • Monday Night

    Monday Night: Widespread haze before midnight, then widespread haze after 4am. Mostly clear, with a low around 58. Northwest wind 7 to 10 mph becoming east southeast after midnight.

    Low: 58 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze before 7am. Sunny, with a high near 78. West northwest wind 7 to 10 mph.

    High: 78 °F

    Haze then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. North wind 10 to 13 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 71. Northeast wind around 11 mph.  Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight.  Low around 52. East wind 11 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 64. East wind 11 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then showers likely.  Low around 49. North wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%.

    Low: 49 °F

    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Northeast wind 15 to 20 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Monday
Widespread haze after 4pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 81. East southeast wind 5 to 11 mph becoming west southwest in the afternoon.
Monday Night
Widespread haze before midnight, then widespread haze after 4am. Mostly clear, with a low around 58. Northwest wind 7 to 10 mph becoming east southeast after midnight.
Tuesday
Widespread haze before 7am. Sunny, with a high near 78. West northwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 56. North wind 10 to 13 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. Northeast wind around 11 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 52. East wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 64. East wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 49. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 64. North wind around 9 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50. Northeast wind 7 to 9 mph.
Saturday
A chance of showers. Partly sunny, with a high near 68.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Hays MT
 47.9°N 108.65°W (Elev. 4301 ft)
4:06 pm MDT Aug 9, 2026
8pm MDT Aug 9, 2026-6pm MDT Aug 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database