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

BIG INDIAN VALLEY (BIVU1)

Lat: 38.22461°NLon: 109.27869°WElev: 6957.0ft.

NA

76°F

24°C

Humidity 19%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index76°F (24°C)
Last update 18 Aug 01:20 AM MDT
Extended Forecast for

9 Miles NNW Monticello Arpt UT

  • Overnight

    Overnight: Mostly clear, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Northwest wind 5 to 10 mph becoming southeast in the evening.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after noon.  Mostly sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 65. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 91. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 91. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 66. Northwest wind 5 to 10 mph becoming southeast in the evening.
Thursday
Sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 92.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 66.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Monticello Arpt UT
 38.06°N 109.4°W (Elev. 6398 ft)
12:32 am MDT Aug 18, 2026
1am MDT Aug 18, 2026-6pm MDT Aug 24, 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