Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Syracuse-Hamilton County Municipal Airport (K3K3)

Lat: 38° N Lon: 101.75° W Elev: 3326 ft.

Overcast

68°F

20°C

Humidity 49%
Wind Speed NE 17 G 21 mph
Barometer 29.85 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 18 Jun 2:35 am MDT
Detailed forecast for

Greeley County

Rest Of Tonight
Partly cloudy. Near steady temperature in the mid 60s. Northeast winds 5 to 15 mph.
Thursday
Mostly cloudy in the morning, then clearing. Highs in the mid 80s. Northeast winds 10 to 15 mph, becoming southeast in the afternoon.
Thursday Night
Mostly clear. Lows in the upper 50s. South winds 10 to 15 mph.
Juneteenth
Partly cloudy in the morning, then clearing. Highs in the upper 80s. South winds 10 to 20 mph.
Friday Night
Mostly clear with chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 60. Southeast winds 10 to 20 mph. Chance of precipitation 30 percent.
Saturday
Partly cloudy in the morning, then mostly sunny with slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 90s. Chance of precipitation 20 percent.
Saturday Night
Partly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Breezy with lows in the lower 60s. Chance of precipitation 50 percent.
Sunday
Partly cloudy in the morning, then clearing. Highs in the upper 80s.
Sunday Night
Partly cloudy. Chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 50 percent.
Monday
Mostly cloudy with slight chance of showers in the morning, then partly cloudy with slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
Monday Night
Partly cloudy. Chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 40 percent.
Tuesday
Partly cloudy. Slight chance of showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
Tuesday Night
Partly cloudy. Chance of thunderstorms in the evening, then chance of showers after midnight. Lows in the upper 50s. Chance of rain 30 percent.
Wednesday
Partly cloudy with slight chance of showers in the morning, then mostly sunny with chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.



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231 AM MDT Thu Jun 18 2026
 
 

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