Search your local weather  

 

Hazardous Weather Conditions

No active alerts for JAMESTOWN, COLORADO

Current Conditions: JAMESTOWN, COLORADO

Clear


40.1 F
Last Updated on Feb 28 2026, 08:15 PM MST
Humidity: 45%
Wind Speed: 4.7 mph
Barometer: 30.20 in
Dewpoint: 20.7 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 36.9 F
Current conditions at:

GRANBY/GRAND CO (KGNB)

Lat: 40.08 Lon: -105.91

active severe weather and emergency alerts image weather storm and storm spotter reports image weather observation monitoring service image
Active
Alerts		 Storm Reports Weather
Monitoring

5 Day Forecast for JAMESTOWN, COLORADO (80455)

Saturday
Chance of Rain/Snow Mix
High 55 °F
Saturday
Night
Slight Chance of Rain/Snow Mix
Low 35 °F
Sunday
Chance of Rain/Snow Mix
High 53 °F
Sunday
Night
Snow
Low 37 °F
Monday
Snow Likely
High 57 °F
Monday
Night
Forecast Missing
Low 35 °F
Tuesday
Forecast Missing
High 41 °F
Tuesday
Night
Forecast Missing
Low 30 °F
Wednesday
Forecast Missing
High 51 °F



Advertise Here

Observation History for JAMESTOWN, COLORADO


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
08:15 PM MST 4.7 10.00 Clear -- 40.1 20.7 45% 36.9 NA 30.20 1022.7
07:55 PM MST 4.7 10.00 Clear -- 41.0 20.7 44% 37.9 NA 30.19 1022.4
07:35 PM MST 4.7 10.00 Clear -- 40.5 21.9 47% 37.2 NA 30.19 1022.4
07:15 PM MST 3.4 10.00 Clear -- 41.5 20.1 42% 39.7 NA 30.20 1022.7
06:55 PM MST 3.4 10.00 Clear -- 40.5 22.6 49% 38.5 NA 30.20 1022.7
06:35 PM MST SE 5.8 10.00 Clear -- 42.6 20.8 42% 39.0 NA 30.18 1022.0
06:15 PM MST E 5.8 10.00 Clear -- 44.2 20.8 39% 41.0 NA 30.18 1022.0
05:55 PM MST E 3.4 10.00 Clear -- 44.4 21.2 39% 43.0 NA 30.17 1021.7
05:35 PM MST 3.4 10.00 Clear -- 46.0 20.3 36% 44.8 NA 30.17 1021.7
05:15 PM MST 3.4 10.00 Clear -- 47.8 19.8 33% 46.9 NA 30.17 1021.7
04:55 PM MST 4.7 10.00 Clear -- 48.6 19.9 32% 46.8 NA 30.17 1021.7
04:35 PM MST 4.7 10.00 Clear -- 49.1 18.5 29% 47.3 NA 30.17 1021.7
04:15 PM MST NW 4.7 10.00 Clear -- 49.1 16.9 27% 47.3 NA 30.17 1021.7
03:55 PM MST 4.7 10.00 Clear -- 49.3 16.9 27% 47.5 NA 30.18 1022.0
03:35 PM MST 10.3 10.00 Clear -- 50.0 16.9 27% NA NA 30.18 1022.0
03:15 PM MST W 15.0 G 18.3 10.00 Clear -- 50.5 15.4 24% NA NA 30.18 1022.0
02:55 PM MST W 15.0 G 19.7 10.00 Clear -- 51.8 11.3 19% NA NA 30.18 1022.0
02:35 PM MST 10.3 10.00 Clear -- 50.9 15.3 24% NA NA 30.20 1022.7
10:55 AM MST 5.8 10.00 Clear -- 42.3 15.4 33% 38.5 NA M
10:35 AM MST W 6.9 10.00 Clear -- 41.2 16.7 37% 36.7 NA M
10:15 AM MST 0.0 10.00 Clear -- 40.1 16.9 39% NA NA M
09:55 AM MST NW 3.4 10.00 Clear -- 38.7 17.4 42% 36.5 NA M
09:35 AM MST 0.0 10.00 Clear -- 37.6 18.9 46% NA NA M
09:15 AM MST 0.0 10.00 Clear -- 36.1 19.8 51% NA NA M

Regional Weather Observation

GRANBY/GRAND CO (KGNB)

Clear
40.1 F

BOULDER MUNI (KBDU)

Clear
57.2 F

LONGMONT/VBRAND (KLMO)

Clear
51.1 F

ERIE MUNI (KEIK)

Cloudy
55.0 F

FT COLLINS/LOVEL (KFNL)

Clear
53.6 F

DAKOTA HILL (KC99)

Mostly Cloudy
33.8 F

Advertise Here


Advertise Here