Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Current conditions at

Sidney, Sidney Municipal Airport (KSNY)

Lat: 41.1° N Lon: 102.99° W Elev: 4311 ft.




Humidity 66%
Wind Speed SW 10 mph
Barometer 29.99 in (1010.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 23 Sep 3:53 am MDT
Detailed forecast for

Cheyenne County

Clear. Lows 45 to 50. Light winds.
Sunny. Highs 85 to 90. Southwest winds 10 to 15 mph.
Sunday Night
Mostly cloudy. Lows around 50. Southwest winds 10 to 15 mph.
Mostly cloudy. Not as warm. Highs 70 to 75. North winds 10 to 15 mph.
Monday Night
Mostly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 45. Northeast winds 10 mph. Chance of precipitation 30 percent.
Partly cloudy with a 20 percent chance of showers. Highs around 65.
Tuesday Night
Mostly clear. Lows around 40.
Mostly sunny. Highs around 70.
Wednesday Night
Mostly clear. Lows around 40.
Mostly sunny. Highs around 65.
Thursday Night
Mostly clear. Lows around 40.
Sunny. Highs around 75.
Friday Night
Mostly clear. Lows 45 to 50.
Partly cloudy. Highs around 75.

Click Map For Forecast
234 PM MDT Sat Sep 22 2018

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database