Mississippi Valley Summer Heat Wave; Severe Thunderstorms and Flooding Possible to the North

A dangerous summer heat wave will continue much of the Plains, Mid/Lower Mississippi Valley, Southeast U.S. today and Thursday. Areas of severe thunderstorms may occur today and again on Thursday from parts of the northern/central Rockies and High Plains into the Ohio Valley and Carolinas. Excessive rainfall over similar areas may bring flash flooding today and Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

MAMMOTH (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6300ft.

77°F

25°C

Humidity	34%
Wind Speed	NNE 5 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	06 Jul 01:15 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

5 Miles N Mount Holmes WY

This
Afternoon

Heavy Rain
High: 70 °F
Tonight

Heavy Rain
then Partly
Cloudy
Low: 47 °F
Thursday

Mostly Sunny
then Heavy
Rain and
Breezy
High: 70 °F
Thursday
Night

Heavy Rain
and Breezy
then Mostly
Clear
Low: 48 °F
Friday

Breezy.
Mostly Sunny
then Slight
Chance
T-storms
High: 72 °F
Friday
Night

Partly Cloudy
and Breezy
then Mostly
Clear
Low: 49 °F
Saturday

Breezy. Sunny
then Slight
Chance
T-storms
High: 72 °F
Saturday
Night

Slight Chance
T-storms and
Breezy then
Mostly Clear
Low: 47 °F
Sunday

Sunny then
Mostly Sunny
and Breezy
High: 69 °F

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly sunny, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 20 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 8pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Partly cloudy, with a low around 47. West southwest wind 7 to 13 mph.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly sunny, with a high near 70. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 21 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before 10pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Partly cloudy, with a low around 48. Breezy, with a southwest wind 7 to 15 mph becoming north northeast in the evening. Winds could gust as high as 21 mph.

Friday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 72. Breezy, with a southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 49. Breezy, with a south southwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Breezy, with a south southeast wind 8 to 13 mph becoming southwest 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 47. Breezy.

Sunday

Sunny, with a high near 69. Breezy.

Sunday Night

Mostly clear, with a low around 46. Breezy.

Monday

Sunny, with a high near 70.

Monday Night

Mostly clear, with a low around 44.

Tuesday

Sunny, with a high near 73.