National Weather Service United States Department of Commerce

Flash flooding possible across parts of Great Basin and southern Plains

A very wet pattern will persist across the Great Basin and into the southern Plains on Tuesday. Heavy rainfall is expected from southeastern Wyoming across Colorado, northeastern New Mexico into the Texas Panhandle and western Oklahoma. Isolated rainfall rates of 1-2 inches per hour will bring a risk of flash flooding to these areas
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Hazardous Weather Conditions

Current Conditions

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Guernsey WY

7 Day Forecast

For More Weather Information:

Cheyenne, WY Local Forecast Office

This
Afternoon

Heavy Rain Chance for Measurable Precipitation 60%

Heavy
Rain

High: 26 °C

Tonight

Heavy Rain Chance for Measurable Precipitation 60%

Heavy
Rain

Low: 14 °C

Wednesday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 24 °C

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 13 °C

Thursday

Sunny

Sunny

High: 28 °C

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 14 °C

Friday

Mostly Sunny

Mostly
Sunny

High: 29 °C

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 14 °C

Saturday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 29 °C

Detailed Forecast

  • This Afternoon Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 26. East wind 15 to 20 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
  • Tonight Showers likely and possibly a thunderstorm before 7pm, then scattered showers and thunderstorms between 7pm and 4am, then a slight chance of showers after 4am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 14. East northeast wind 15 to 20 km/h becoming southeast 10 to 15 km/h after midnight. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
  • Wednesday A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 24. North wind around 10 km/h becoming west in the afternoon.
  • Wednesday Night Partly cloudy, with a low around 13. South southwest wind around 10 km/h.
  • Thursday Sunny, with a high near 28. Southwest wind around 10 km/h becoming south southeast in the afternoon.
  • Thursday Night Partly cloudy, with a low around 14.
  • Friday Mostly sunny, with a high near 29.
  • Friday Night Partly cloudy, with a low around 14.
  • Saturday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 29.
  • Saturday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 15.
  • Sunday Sunny, with a high near 30.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 16.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 28.