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

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958°NLon: 109.60197°WElev: 6407.0ft.

NA

63°F

17°C

Humidity 52%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility 1.24 mi
Last update 18 Aug 01:56 AM MDT
Extended Forecast for

Granger WY

  • Overnight

    Overnight: A 20 percent chance of showers before 4am.  Mostly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm.  Partly sunny, with a high near 83. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 51. West southwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Light west wind becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Breezy, with a west northwest wind 10 to 15 mph becoming light west  after midnight. Winds could gust as high as 23 mph.

    Low: 51 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight.  Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 55. Light and variable wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 83. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 51. West southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 87. Light west wind becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 51. Breezy, with a west northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 23 mph.
Thursday
Sunny, with a high near 89. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. West southwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 90.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Granger WY
 41.59°N 109.95°W (Elev. 6299 ft)
1:02 am MDT Aug 18, 2026
2am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database